>>> host-libabseil-cpp 20200923.2 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-0/dl/libabseil-cpp/libabseil-cpp-20200923.2.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2   -xf -
>>> host-libabseil-cpp 20200923.2 Patching

Applying 0001-force-position-independent-code.patch using patch: 
patching file CMake/AbseilHelpers.cmake
>>> host-libabseil-cpp 20200923.2 Configuring
(mkdir -p /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/ && cd /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/ && rm -f CMakeCache.txt && PATH="/home/buildroot/autobuild/run/instance-0/output-1/host/bin:/home/buildroot/autobuild/run/instance-0/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PKG_CONFIG="/home/buildroot/autobuild/run/instance-0/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_LIBDIR="/home/buildroot/autobuild/run/instance-0/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-0/output-1/host/share/pkgconfig" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1  /home/buildroot/autobuild/run/instance-0/output-1/host/bin/cmake /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/ -DCMAKE_INSTALL_SO_NO_EXE=0 -DCMAKE_FIND_ROOT_PATH="/home/buildroot/autobuild/run/instance-0/output-1/host" -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="BOTH" -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY="BOTH" -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" -DCMAKE_INSTALL_PREFIX="/home/buildroot/autobuild/run/instance-0/output-1/host" -DCMAKE_C_FLAGS="-O2 -I/home/buildroot/autobuild/run/instance-0/output-1/host/include" -DCMAKE_CXX_FLAGS="-O2 -I/home/buildroot/autobuild/run/instance-0/output-1/host/include" -DCMAKE_EXE_LINKER_FLAGS="-L/home/buildroot/autobuild/run/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-0/output-1/host/lib" -DCMAKE_SHARED_LINKER_FLAGS="-L/home/buildroot/autobuild/run/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/run/instance-0/output-1/host/lib" -DCMAKE_ASM_COMPILER="/usr/bin/as" -DCMAKE_C_COMPILER="/usr/bin/gcc" -DCMAKE_CXX_COMPILER="/usr/bin/g++"  -DCMAKE_C_COMPILER_ARG1="" -DCMAKE_CXX_COMPILER_ARG1=""  -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON  -DABSL_ENABLE_INSTALL=ON -DABSL_USE_GOOGLETEST_HEAD=OFF -DABSL_RUN_TESTS=OFF )
-- The CXX compiler identification is GNU 4.8.2
-- Check for working CXX compiler: /usr/bin/g++
-- Check for working CXX compiler: /usr/bin/g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for C++ include pthread.h
-- Looking for C++ include pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:

    BUILD_DOC
    BUILD_DOCS
    BUILD_EXAMPLE
    BUILD_EXAMPLES
    BUILD_TEST
    BUILD_TESTING
    BUILD_TESTS
    CMAKE_ASM_COMPILER
    CMAKE_C_COMPILER
    CMAKE_C_COMPILER_ARG1
    CMAKE_C_FLAGS


-- Build files have been written to: /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2
>>> host-libabseil-cpp 20200923.2 Building
PATH="/home/buildroot/autobuild/run/instance-0/output-1/host/bin:/home/buildroot/autobuild/run/instance-0/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PKG_CONFIG="/home/buildroot/autobuild/run/instance-0/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/buildroot/autobuild/run/instance-0/output-1/host/lib/pkgconfig:/home/buildroot/autobuild/run/instance-0/output-1/host/share/pkgconfig"  /usr/bin/make -j4  -C /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/
make[1]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[2]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
Scanning dependencies of target log_severity
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
Scanning dependencies of target spinlock_wait
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
Scanning dependencies of target exponential_biased
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
Scanning dependencies of target strerror
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
[  0%] Building CXX object absl/base/CMakeFiles/log_severity.dir/log_severity.cc.o
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
[  1%] Building CXX object absl/base/CMakeFiles/spinlock_wait.dir/internal/spinlock_wait.cc.o
make[3]: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
[  1%] Building CXX object absl/base/CMakeFiles/strerror.dir/internal/strerror.cc.o
[  2%] Building CXX object absl/base/CMakeFiles/exponential_biased.dir/internal/exponential_biased.cc.o
In file included from /usr/include/c++/4.8/array:35:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:18,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:
/usr/include/c++/4.8/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
In file included from /usr/include/c++/4.8/atomic:38:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:19:
/usr/include/c++/4.8/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:67:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/scheduling_mode.h:21,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.h:24,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:22:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/policy_checks.h:77:2: error: #error "C++ versions less than C++11 are not supported."
 #error "C++ versions less than C++11 are not supported."
  ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/scheduling_mode.h:21:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.h:24,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:22:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:1: warning: identifier 'static_assert' is a keyword in C++11 [-Wc++0x-compat]
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
 ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:67:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:20,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/policy_checks.h:77:2: error: #error "C++ versions less than C++11 are not supported."
 #error "C++ versions less than C++11 are not supported."
  ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:20:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:1: warning: identifier 'static_assert' is a keyword in C++11 [-Wc++0x-compat]
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
 ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:0:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:77:3: warning: identifier 'constexpr' is a keyword in C++11 [-Wc++0x-compat]
   static constexpr int kPrngNumBits = 48;
   ^
In file included from /usr/include/c++/4.8/atomic:41:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:19:
/usr/include/c++/4.8/bits/atomic_base.h:70:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:70:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:76:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:76:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:83:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:83:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:90:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:90:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:98:41: error: expected initializer before 'noexcept'
   atomic_thread_fence(memory_order __m) noexcept
                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:102:41: error: expected initializer before 'noexcept'
   atomic_signal_fence(memory_order __m) noexcept
                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:108:30: error: expected initializer before 'noexcept'
     kill_dependency(_Tp __y) noexcept
                              ^
/usr/include/c++/4.8/bits/atomic_base.h:156:25: error: 'char16_t' was not declared in this scope
   typedef __atomic_base<char16_t>    atomic_char16_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:156:33: error: template argument 1 is invalid
   typedef __atomic_base<char16_t>    atomic_char16_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:156:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char16_t>    atomic_char16_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:159:25: error: 'char32_t' was not declared in this scope
   typedef __atomic_base<char32_t>    atomic_char32_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:159:33: error: template argument 1 is invalid
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:159:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:162:25: error: 'char32_t' was not declared in this scope
   typedef __atomic_base<char32_t>    atomic_char32_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:162:33: error: template argument 1 is invalid
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:162:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:273:17: error: expected ';' at end of member declaration
     atomic_flag() noexcept = default;
                 ^
/usr/include/c++/4.8/bits/atomic_base.h:273:19: error: 'noexcept' does not name a type
     atomic_flag() noexcept = default;
                   ^
/usr/include/c++/4.8/bits/atomic_base.h:274:18: error: expected ';' at end of member declaration
     ~atomic_flag() noexcept = default;
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:274:20: error: 'noexcept' does not name a type
     ~atomic_flag() noexcept = default;
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:280:5: error: 'constexpr' does not name a type
     constexpr atomic_flag(bool __i) noexcept
     ^
/usr/include/c++/4.8/bits/atomic_base.h:280:5: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:282:5: error: expected unqualified-id before '{' token
     { }
     ^
/usr/include/c++/4.8/bits/atomic_base.h:285:57: error: expected ';' at end of member declaration
     test_and_set(memory_order __m = memory_order_seq_cst) noexcept
                                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:285:59: error: 'noexcept' does not name a type
     test_and_set(memory_order __m = memory_order_seq_cst) noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:291:59: error: expected ';' at end of member declaration
     test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:291:68: error: 'noexcept' does not name a type
     test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:297:50: error: expected ';' at end of member declaration
     clear(memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:297:52: error: 'noexcept' does not name a type
     clear(memory_order __m = memory_order_seq_cst) noexcept
                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:308:52: error: expected ';' at end of member declaration
     clear(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:308:61: error: 'noexcept' does not name a type
     clear(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:319:12: error: 'constexpr' does not name a type
     static constexpr __atomic_flag_data_type
            ^
/usr/include/c++/4.8/bits/atomic_base.h:319:12: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:357:21: error: expected ';' at end of member declaration
       __atomic_base() noexcept = default;
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:357:23: error: 'noexcept' does not name a type
       __atomic_base() noexcept = default;
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:358:22: error: expected ';' at end of member declaration
       ~__atomic_base() noexcept = default;
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:358:24: error: 'noexcept' does not name a type
       ~__atomic_base() noexcept = default;
                        ^
/usr/include/c++/4.8/bits/atomic_base.h:364:7: error: 'constexpr' does not name a type
       constexpr __atomic_base(__int_type __i) noexcept : _M_i (__i) { }
       ^
/usr/include/c++/4.8/bits/atomic_base.h:364:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:366:29: error: expected ';' at end of member declaration
       operator __int_type() const noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:366:35: error: 'noexcept' does not name a type
       operator __int_type() const noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:369:35: error: expected ';' at end of member declaration
       operator __int_type() const volatile noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:369:44: error: 'noexcept' does not name a type
       operator __int_type() const volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:373:31: error: expected ';' at end of member declaration
       operator=(__int_type __i) noexcept
                               ^
/usr/include/c++/4.8/bits/atomic_base.h:373:33: error: 'noexcept' does not name a type
       operator=(__int_type __i) noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:380:33: error: expected ';' at end of member declaration
       operator=(__int_type __i) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:380:42: error: 'noexcept' does not name a type
       operator=(__int_type __i) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:387:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:387:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:391:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:391:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:395:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:395:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:399:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:399:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:403:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:403:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:407:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:407:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:411:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:411:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:415:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:415:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:419:32: error: expected ';' at end of member declaration
       operator+=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:419:34: error: 'noexcept' does not name a type
       operator+=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:423:34: error: expected ';' at end of member declaration
       operator+=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:423:43: error: 'noexcept' does not name a type
       operator+=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:427:32: error: expected ';' at end of member declaration
       operator-=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:427:34: error: 'noexcept' does not name a type
       operator-=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:431:34: error: expected ';' at end of member declaration
       operator-=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:431:43: error: 'noexcept' does not name a type
       operator-=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:435:32: error: expected ';' at end of member declaration
       operator&=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:435:34: error: 'noexcept' does not name a type
       operator&=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:439:34: error: expected ';' at end of member declaration
       operator&=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:439:43: error: 'noexcept' does not name a type
       operator&=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:443:32: error: expected ';' at end of member declaration
       operator|=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:443:34: error: 'noexcept' does not name a type
       operator|=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:447:34: error: expected ';' at end of member declaration
       operator|=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:447:43: error: 'noexcept' does not name a type
       operator|=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:451:32: error: expected ';' at end of member declaration
       operator^=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:451:34: error: 'noexcept' does not name a type
       operator^=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:455:34: error: expected ';' at end of member declaration
       operator^=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:455:43: error: 'noexcept' does not name a type
       operator^=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:459:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:459:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:463:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:463:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:467:68: error: expected ';' at end of member declaration
       store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:467:70: error: 'noexcept' does not name a type
       store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:479:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:479:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:490:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:490:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:500:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:500:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:511:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:511:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:519:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:519:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:526:44: error: expected ';' at end of member declaration
        memory_order __m1, memory_order __m2) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:526:46: error: 'noexcept' does not name a type
        memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:540:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/bits/atomic_base.h:540:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:553:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:553:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:561:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:561:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:569:46: error: expected ';' at end of member declaration
          memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:569:48: error: 'noexcept' does not name a type
          memory_order __m1, memory_order __m2) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:583:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:583:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:597:49: error: expected ';' at end of member declaration
          memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:597:51: error: 'noexcept' does not name a type
          memory_order __m = memory_order_seq_cst) noexcept
                                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:605:45: error: expected ';' at end of member declaration
    memory_order __m = memory_order_seq_cst) volatile noexcept
                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:605:54: error: 'noexcept' does not name a type
    memory_order __m = memory_order_seq_cst) volatile noexcept
                                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:613:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:613:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
In file included from /usr/include/c++/4.8/atomic:38:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:20:
/usr/include/c++/4.8/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
/usr/include/c++/4.8/bits/atomic_base.h:618:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:618:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:623:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:623:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:628:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:628:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:633:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:633:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:638:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:638:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:643:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:643:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:648:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:648:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:653:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:653:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:658:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:658:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:673:7: error: 'constexpr' does not name a type
       constexpr ptrdiff_t
       ^
/usr/include/c++/4.8/bits/atomic_base.h:673:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:676:7: error: 'constexpr' does not name a type
       constexpr ptrdiff_t
       ^
/usr/include/c++/4.8/bits/atomic_base.h:676:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:680:21: error: expected ';' at end of member declaration
       __atomic_base() noexcept = default;
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:680:23: error: 'noexcept' does not name a type
       __atomic_base() noexcept = default;
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:681:22: error: expected ';' at end of member declaration
       ~__atomic_base() noexcept = default;
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:681:24: error: 'noexcept' does not name a type
       ~__atomic_base() noexcept = default;
                        ^
/usr/include/c++/4.8/bits/atomic_base.h:687:7: error: 'constexpr' does not name a type
       constexpr __atomic_base(__pointer_type __p) noexcept : _M_p (__p) { }
       ^
/usr/include/c++/4.8/bits/atomic_base.h:687:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:689:33: error: expected ';' at end of member declaration
       operator __pointer_type() const noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:689:39: error: 'noexcept' does not name a type
       operator __pointer_type() const noexcept
                                       ^
/usr/include/c++/4.8/bits/atomic_base.h:692:39: error: expected ';' at end of member declaration
       operator __pointer_type() const volatile noexcept
                                       ^
/usr/include/c++/4.8/bits/atomic_base.h:692:48: error: 'noexcept' does not name a type
       operator __pointer_type() const volatile noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:696:35: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:696:37: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:703:37: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:703:46: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) volatile noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:710:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:710:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:714:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:714:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:718:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:718:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:722:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:722:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:726:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:726:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:731:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:731:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:736:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:736:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:741:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:741:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:746:31: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) noexcept
                               ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:67:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/attributes.h:39,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:21,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/policy_checks.h:77:2: error: #error "C++ versions less than C++11 are not supported."
 #error "C++ versions less than C++11 are not supported."
  ^
/usr/include/c++/4.8/bits/atomic_base.h:746:33: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) noexcept
                                 ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/attributes.h:39:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:21,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:1: warning: identifier 'static_assert' is a keyword in C++11 [-Wc++0x-compat]
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
 ^
/usr/include/c++/4.8/bits/atomic_base.h:751:33: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:751:42: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:756:31: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) noexcept
                               ^
/usr/include/c++/4.8/bits/atomic_base.h:756:33: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:761:33: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:761:42: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:766:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:0:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:80:1: warning: identifier 'constexpr' is a keyword in C++11 [-Wc++0x-compat]
 constexpr std::array<absl::LogSeverity, 4> LogSeverities() {
 ^
/usr/include/c++/4.8/bits/atomic_base.h:766:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:770:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:770:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:775:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:775:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:788:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:788:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:799:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:799:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:809:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:809:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:820:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:820:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:828:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:828:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:836:27: error: expected ';' at end of member declaration
          memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/bits/atomic_base.h:836:29: error: 'noexcept' does not name a type
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:850:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:850:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:864:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:864:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:869:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:869:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:874:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:874:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:879:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:879:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:19:0:
/usr/include/c++/4.8/atomic:60:17: error: expected ';' at end of member declaration
     atomic_bool() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:60:19: error: 'noexcept' does not name a type
     atomic_bool() noexcept = default;
                   ^
/usr/include/c++/4.8/atomic:61:18: error: expected ';' at end of member declaration
     ~atomic_bool() noexcept = default;
                  ^
/usr/include/c++/4.8/atomic:61:20: error: 'noexcept' does not name a type
     ~atomic_bool() noexcept = default;
                    ^
/usr/include/c++/4.8/atomic:66:5: error: 'constexpr' does not name a type
     constexpr atomic_bool(bool __i) noexcept : _M_base(__i) { }
     ^
/usr/include/c++/4.8/atomic:66:5: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:69:23: error: expected ';' at end of member declaration
     operator=(bool __i) noexcept
                       ^
/usr/include/c++/4.8/atomic:69:25: error: 'noexcept' does not name a type
     operator=(bool __i) noexcept
                         ^
/usr/include/c++/4.8/atomic:73:25: error: expected ';' at end of member declaration
     operator=(bool __i) volatile noexcept
                         ^
/usr/include/c++/4.8/atomic:73:34: error: 'noexcept' does not name a type
     operator=(bool __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/atomic:76:21: error: expected ';' at end of member declaration
     operator bool() const noexcept
                     ^
/usr/include/c++/4.8/atomic:76:27: error: 'noexcept' does not name a type
     operator bool() const noexcept
                           ^
/usr/include/c++/4.8/atomic:79:27: error: expected ';' at end of member declaration
     operator bool() const volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:79:36: error: 'noexcept' does not name a type
     operator bool() const volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:83:20: error: expected ';' at end of member declaration
     is_lock_free() const noexcept { return _M_base.is_lock_free(); }
                    ^
/usr/include/c++/4.8/atomic:83:26: error: 'noexcept' does not name a type
     is_lock_free() const noexcept { return _M_base.is_lock_free(); }
                          ^
/usr/include/c++/4.8/atomic:86:26: error: expected ';' at end of member declaration
     is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
                          ^
/usr/include/c++/4.8/atomic:86:35: error: 'noexcept' does not name a type
     is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
                                   ^
/usr/include/c++/4.8/atomic:89:60: error: expected ';' at end of member declaration
     store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                            ^
/usr/include/c++/4.8/atomic:89:62: error: 'noexcept' does not name a type
     store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                              ^
/usr/include/c++/4.8/atomic:93:62: error: expected ';' at end of member declaration
     store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
                                                              ^
/usr/include/c++/4.8/atomic:93:71: error: 'noexcept' does not name a type
     store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
                                                                       ^
/usr/include/c++/4.8/atomic:97:51: error: expected ';' at end of member declaration
     load(memory_order __m = memory_order_seq_cst) const noexcept
                                                   ^
/usr/include/c++/4.8/atomic:97:57: error: 'noexcept' does not name a type
     load(memory_order __m = memory_order_seq_cst) const noexcept
                                                         ^
/usr/include/c++/4.8/atomic:101:57: error: expected ';' at end of member declaration
     load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:101:66: error: 'noexcept' does not name a type
     load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:105:63: error: expected ';' at end of member declaration
     exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                               ^
/usr/include/c++/4.8/atomic:105:65: error: 'noexcept' does not name a type
     exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                 ^
/usr/include/c++/4.8/atomic:110:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:110:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:115:23: error: expected ';' at end of member declaration
      memory_order __m2) noexcept
                       ^
/usr/include/c++/4.8/atomic:115:25: error: 'noexcept' does not name a type
      memory_order __m2) noexcept
                         ^
/usr/include/c++/4.8/atomic:120:25: error: expected ';' at end of member declaration
      memory_order __m2) volatile noexcept
                         ^
/usr/include/c++/4.8/atomic:120:34: error: 'noexcept' does not name a type
      memory_order __m2) volatile noexcept
                                  ^
/usr/include/c++/4.8/atomic:125:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/atomic:125:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:130:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:130:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:135:25: error: expected ';' at end of member declaration
        memory_order __m2) noexcept
                         ^
/usr/include/c++/4.8/atomic:135:27: error: 'noexcept' does not name a type
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:140:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:140:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:145:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:145:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:150:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:150:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:167:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:167:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:168:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:168:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:173:7: error: 'constexpr' does not name a type
       constexpr atomic(_Tp __i) noexcept : _M_i(__i) { }
       ^
/usr/include/c++/4.8/atomic:173:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:175:22: error: expected ';' at end of member declaration
       operator _Tp() const noexcept
                      ^
/usr/include/c++/4.8/atomic:175:28: error: 'noexcept' does not name a type
       operator _Tp() const noexcept
                            ^
/usr/include/c++/4.8/atomic:178:28: error: expected ';' at end of member declaration
       operator _Tp() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:178:37: error: 'noexcept' does not name a type
       operator _Tp() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:182:24: error: expected ';' at end of member declaration
       operator=(_Tp __i) noexcept 
                        ^
/usr/include/c++/4.8/atomic:182:26: error: 'noexcept' does not name a type
       operator=(_Tp __i) noexcept 
                          ^
/usr/include/c++/4.8/atomic:186:26: error: expected ';' at end of member declaration
       operator=(_Tp __i) volatile noexcept 
                          ^
/usr/include/c++/4.8/atomic:186:35: error: 'noexcept' does not name a type
       operator=(_Tp __i) volatile noexcept 
                                   ^
/usr/include/c++/4.8/atomic:190:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/atomic:190:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/atomic:194:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:194:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:198:60: error: expected ';' at end of member declaration
       store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                            ^
/usr/include/c++/4.8/atomic:198:62: error: 'noexcept' does not name a type
       store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                              ^
/usr/include/c++/4.8/atomic:202:62: error: expected ';' at end of member declaration
       store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
                                                              ^
/usr/include/c++/4.8/atomic:202:71: error: 'noexcept' does not name a type
       store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
                                                                       ^
/usr/include/c++/4.8/atomic:206:52: error: expected ';' at end of member declaration
       load(memory_order _m = memory_order_seq_cst) const noexcept
                                                    ^
/usr/include/c++/4.8/atomic:206:58: error: 'noexcept' does not name a type
       load(memory_order _m = memory_order_seq_cst) const noexcept
                                                          ^
/usr/include/c++/4.8/atomic:214:58: error: expected ';' at end of member declaration
       load(memory_order _m = memory_order_seq_cst) const volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:214:67: error: 'noexcept' does not name a type
       load(memory_order _m = memory_order_seq_cst) const volatile noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:222:63: error: expected ';' at end of member declaration
       exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                               ^
/usr/include/c++/4.8/atomic:222:65: error: 'noexcept' does not name a type
       exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                                 ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:67:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.h:20,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/policy_checks.h:77:2: error: #error "C++ versions less than C++11 are not supported."
 #error "C++ versions less than C++11 are not supported."
  ^
/usr/include/c++/4.8/atomic:231:49: error: expected ';' at end of member declaration
         memory_order _m = memory_order_seq_cst) volatile noexcept
                                                 ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.h:20:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:1: warning: identifier 'static_assert' is a keyword in C++11 [-Wc++0x-compat]
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
 ^
/usr/include/c++/4.8/atomic:231:58: error: 'noexcept' does not name a type
         memory_order _m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:240:24: error: expected ';' at end of member declaration
        memory_order __f) noexcept
                        ^
/usr/include/c++/4.8/atomic:240:26: error: 'noexcept' does not name a type
        memory_order __f) noexcept
                          ^
/usr/include/c++/4.8/atomic:247:26: error: expected ';' at end of member declaration
        memory_order __f) volatile noexcept
                          ^
/usr/include/c++/4.8/atomic:247:35: error: 'noexcept' does not name a type
        memory_order __f) volatile noexcept
                                   ^
/usr/include/c++/4.8/atomic:254:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:254:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
In file included from /usr/include/c++/4.8/array:35:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:17:
/usr/include/c++/4.8/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
/usr/include/c++/4.8/atomic:259:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:259:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:264:26: error: expected ';' at end of member declaration
          memory_order __f) noexcept
                          ^
/usr/include/c++/4.8/atomic:264:28: error: 'noexcept' does not name a type
          memory_order __f) noexcept
                            ^
/usr/include/c++/4.8/atomic:271:28: error: expected ';' at end of member declaration
          memory_order __f) volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:271:37: error: 'noexcept' does not name a type
          memory_order __f) volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:278:50: error: expected ';' at end of member declaration
           memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:278:52: error: 'noexcept' does not name a type
           memory_order __m = memory_order_seq_cst) noexcept
                                                    ^
/usr/include/c++/4.8/atomic:283:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:283:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:296:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:296:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:297:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:297:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:302:7: error: 'constexpr' does not name a type
       constexpr atomic(__pointer_type __p) noexcept : _M_b(__p) { }
       ^
/usr/include/c++/4.8/atomic:302:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:304:33: error: expected ';' at end of member declaration
       operator __pointer_type() const noexcept
                                 ^
/usr/include/c++/4.8/atomic:304:39: error: 'noexcept' does not name a type
       operator __pointer_type() const noexcept
                                       ^
/usr/include/c++/4.8/atomic:307:39: error: expected ';' at end of member declaration
       operator __pointer_type() const volatile noexcept
                                       ^
/usr/include/c++/4.8/atomic:307:48: error: 'noexcept' does not name a type
       operator __pointer_type() const volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:311:35: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) noexcept
                                   ^
/usr/include/c++/4.8/atomic:311:37: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) noexcept
                                     ^
/usr/include/c++/4.8/atomic:315:37: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:315:46: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) volatile noexcept
                                              ^
/usr/include/c++/4.8/atomic:319:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/atomic:319:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/atomic:323:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/atomic:323:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/atomic:327:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/atomic:327:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/atomic:331:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/atomic:331:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
/usr/include/c++/4.8/atomic:335:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:20:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
              ^
/usr/include/c++/4.8/atomic:335:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:111:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
              ^
/usr/include/c++/4.8/atomic:339:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/atomic:339:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:343:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:21:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/macros.h:53:1: warning: 'auto' changes meaning in C++11; please remove it [-Wc++0x-compat]
 auto ArraySizeHelper(const T (&array)[N]) -> char (&)[N];
 ^
/usr/include/c++/4.8/atomic:343:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/macros.h:53:56: error: ISO C++ forbids declaration of 'ArraySizeHelper' with no type [-fpermissive]
 auto ArraySizeHelper(const T (&array)[N]) -> char (&)[N];
                                                        ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/macros.h:53:56: error: top-level declaration of 'ArraySizeHelper' specifies 'auto'
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/macros.h:53:56: error: trailing return type only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:347:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:0:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:77:10: error: 'constexpr' does not name a type
   static constexpr int kPrngNumBits = 48;
          ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:77:10: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:347:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:351:31: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) noexcept
                               ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:109:18: warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]
   uint64_t rng_{0};
                  ^
/usr/include/c++/4.8/atomic:351:33: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) noexcept
                                 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:110:17: warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]
   double bias_{0};
                 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:111:26: warning: non-static data member initializers only available with -std=c++11 or -std=gnu++11 [enabled by default]
   bool initialized_{false};
                          ^
/usr/include/c++/4.8/atomic:355:33: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/atomic:355:42: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) volatile noexcept
                                          ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:109:16: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   uint64_t rng_{0};
                ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:109:18: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   uint64_t rng_{0};
                  ^
/usr/include/c++/4.8/atomic:359:31: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) noexcept
                               ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:110:15: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   double bias_{0};
               ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:110:17: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   double bias_{0};
                 ^
/usr/include/c++/4.8/atomic:359:33: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) noexcept
                                 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:111:20: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   bool initialized_{false};
                    ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:111:26: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   bool initialized_{false};
                          ^
/usr/include/c++/4.8/atomic:363:33: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/atomic:363:42: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) volatile noexcept
                                          ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h: In static member function 'static uint64_t absl::lts_2020_09_23::base_internal::ExponentialBiased::NextRandom(uint64_t)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:118:30: warning: extended initializer lists only available with -std=c++11 or -std=gnu++11 [enabled by default]
   const uint64_t prng_mult = uint64_t{0x5DEECE66D};
                              ^
/usr/include/c++/4.8/atomic:367:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/atomic:367:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/atomic:371:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:371:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:376:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/atomic:376:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:381:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/atomic:381:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/atomic:385:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/atomic:385:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/atomic:389:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/atomic:389:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/atomic:394:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/atomic:394:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:399:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/atomic:399:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/atomic:404:44: error: expected ';' at end of member declaration
        memory_order __m1, memory_order __m2) noexcept
                                            ^
/usr/include/c++/4.8/atomic:404:46: error: 'noexcept' does not name a type
        memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/atomic:410:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:410:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:415:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:415:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:423:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:423:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:431:46: error: expected ';' at end of member declaration
          memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/atomic:431:48: error: 'noexcept' does not name a type
          memory_order __m1, memory_order __m2) noexcept
                                                ^
/usr/include/c++/4.8/atomic:437:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:437:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/atomic:442:49: error: expected ';' at end of member declaration
          memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:442:51: error: 'noexcept' does not name a type
          memory_order __m = memory_order_seq_cst) noexcept
                                                   ^
/usr/include/c++/4.8/atomic:450:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:450:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:458:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/atomic:458:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/atomic:463:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/atomic:463:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/atomic:468:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/atomic:468:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/atomic:473:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/atomic:473:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/atomic:485:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:485:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:486:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:486:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:491:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:491:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:3: warning: identifier 'decltype' is a keyword in C++11 [-Wc++0x-compat]
   if (std::is_same<decltype(ret), int>::value) {
   ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:66:1: warning: identifier 'constexpr' is a keyword in C++11 [-Wc++0x-compat]
 constexpr int kSysNerr = 135;
 ^
/usr/include/c++/4.8/atomic:504:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:504:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:505:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:505:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:510:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:510:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:523:14: error: expected ';' at end of member declaration
       atomic() noexcept= default;
              ^
/usr/include/c++/4.8/atomic:523:16: error: 'noexcept' does not name a type
       atomic() noexcept= default;
                ^
/usr/include/c++/4.8/atomic:524:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:524:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:529:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:529:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:542:14: error: expected ';' at end of member declaration
       atomic() noexcept= default;
              ^
/usr/include/c++/4.8/atomic:542:16: error: 'noexcept' does not name a type
       atomic() noexcept= default;
                ^
/usr/include/c++/4.8/atomic:543:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:543:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:548:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:548:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:561:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:561:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:562:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:562:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:567:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:567:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:580:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:580:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:581:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:581:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:586:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:586:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:599:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:599:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:600:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:600:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:605:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:605:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:618:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:618:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:619:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:619:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:624:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:624:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:637:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:637:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:638:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:638:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:643:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:643:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:656:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:656:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:657:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:657:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:662:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:662:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:675:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:675:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:676:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:676:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:681:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:681:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:694:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:694:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:695:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:695:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:700:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:700:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:713:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:713:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:714:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:714:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:719:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:719:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:727:19: error: 'char16_t' was not declared in this scope
     struct atomic<char16_t> : public atomic_char16_t
                   ^
/usr/include/c++/4.8/atomic:727:27: error: template argument 1 is invalid
     struct atomic<char16_t> : public atomic_char16_t
                           ^
/usr/include/c++/4.8/atomic:728:5: error: expected class-name before '{' token
     {
     ^
/usr/include/c++/4.8/atomic:746:19: error: 'char32_t' was not declared in this scope
     struct atomic<char32_t> : public atomic_char32_t
                   ^
/usr/include/c++/4.8/atomic:746:27: error: template argument 1 is invalid
     struct atomic<char32_t> : public atomic_char32_t
                           ^
/usr/include/c++/4.8/atomic:747:5: error: expected class-name before '{' token
     {
     ^
/usr/include/c++/4.8/atomic:767:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:772:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:776:66: error: expected initializer before 'noexcept'
   atomic_flag_clear_explicit(atomic_flag* __a, memory_order __m) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:781:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:785:46: error: expected initializer before 'noexcept'
   atomic_flag_test_and_set(atomic_flag* __a) noexcept
                                              ^
/usr/include/c++/4.8/atomic:789:55: error: expected initializer before 'noexcept'
   atomic_flag_test_and_set(volatile atomic_flag* __a) noexcept
                                                       ^
/usr/include/c++/4.8/atomic:793:39: error: expected initializer before 'noexcept'
   atomic_flag_clear(atomic_flag* __a) noexcept
                                       ^
/usr/include/c++/4.8/atomic:797:48: error: expected initializer before 'noexcept'
   atomic_flag_clear(volatile atomic_flag* __a) noexcept
                                                ^
/usr/include/c++/4.8/atomic:804:50: error: expected initializer before 'noexcept'
     atomic_is_lock_free(const atomic<_ITp>* __a) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:809:59: error: expected initializer before 'noexcept'
     atomic_is_lock_free(const volatile atomic<_ITp>* __a) noexcept
                                                           ^
/usr/include/c++/4.8/atomic:814:46: error: expected initializer before 'noexcept'
     atomic_init(atomic<_ITp>* __a, _ITp __i) noexcept;
                                              ^
/usr/include/c++/4.8/atomic:818:55: error: expected initializer before 'noexcept'
     atomic_init(volatile atomic<_ITp>* __a, _ITp __i) noexcept;
                                                       ^
/usr/include/c++/4.8/atomic:823:24: error: expected initializer before 'noexcept'
      memory_order __m) noexcept
                        ^
/usr/include/c++/4.8/atomic:829:24: error: expected initializer before 'noexcept'
      memory_order __m) noexcept
                        ^
/usr/include/c++/4.8/atomic:834:69: error: expected initializer before 'noexcept'
     atomic_load_explicit(const atomic<_ITp>* __a, memory_order __m) noexcept
                                                                     ^
/usr/include/c++/4.8/atomic:840:23: error: expected initializer before 'noexcept'
     memory_order __m) noexcept
                       ^
/usr/include/c++/4.8/atomic:846:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:852:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:860:27: error: expected initializer before 'noexcept'
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:868:27: error: expected initializer before 'noexcept'
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:876:29: error: expected initializer before 'noexcept'
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/atomic:884:29: error: expected initializer before 'noexcept'
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/atomic:890:47: error: expected initializer before 'noexcept'
     atomic_store(atomic<_ITp>* __a, _ITp __i) noexcept
                                               ^
/usr/include/c++/4.8/atomic:895:56: error: expected initializer before 'noexcept'
     atomic_store(volatile atomic<_ITp>* __a, _ITp __i) noexcept
                                                        ^
/usr/include/c++/4.8/atomic:900:42: error: expected initializer before 'noexcept'
     atomic_load(const atomic<_ITp>* __a) noexcept
                                          ^
/usr/include/c++/4.8/atomic:905:51: error: expected initializer before 'noexcept'
     atomic_load(const volatile atomic<_ITp>* __a) noexcept
                                                   ^
/usr/include/c++/4.8/atomic:910:50: error: expected initializer before 'noexcept'
     atomic_exchange(atomic<_ITp>* __a, _ITp __i) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:915:59: error: expected initializer before 'noexcept'
     atomic_exchange(volatile atomic<_ITp>* __a, _ITp __i) noexcept
                                                           ^
/usr/include/c++/4.8/atomic:921:29: error: expected initializer before 'noexcept'
      _ITp* __i1, _ITp __i2) noexcept
                             ^
/usr/include/c++/4.8/atomic:931:29: error: expected initializer before 'noexcept'
      _ITp* __i1, _ITp __i2) noexcept
                             ^
/usr/include/c++/4.8/atomic:941:31: error: expected initializer before 'noexcept'
        _ITp* __i1, _ITp __i2) noexcept
                               ^
/usr/include/c++/4.8/atomic:951:31: error: expected initializer before 'noexcept'
        _ITp* __i1, _ITp __i2) noexcept
                               ^
/usr/include/c++/4.8/atomic:965:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:971:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:977:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:983:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:989:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:995:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1001:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:1007:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:1013:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1019:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1024:58: error: expected initializer before 'noexcept'
     atomic_fetch_add(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1029:67: error: expected initializer before 'noexcept'
     atomic_fetch_add(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1034:58: error: expected initializer before 'noexcept'
     atomic_fetch_sub(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1039:67: error: expected initializer before 'noexcept'
     atomic_fetch_sub(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1044:58: error: expected initializer before 'noexcept'
     atomic_fetch_and(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1049:67: error: expected initializer before 'noexcept'
     atomic_fetch_and(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1054:57: error: expected initializer before 'noexcept'
     atomic_fetch_or(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                         ^
/usr/include/c++/4.8/atomic:1059:66: error: expected initializer before 'noexcept'
     atomic_fetch_or(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1064:58: error: expected initializer before 'noexcept'
     atomic_fetch_xor(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1069:67: error: expected initializer before 'noexcept'
     atomic_fetch_xor(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1077:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1083:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1088:66: error: expected initializer before 'noexcept'
     atomic_fetch_add(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1093:57: error: expected initializer before 'noexcept'
     atomic_fetch_add(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                         ^
/usr/include/c++/4.8/atomic:1099:43: error: expected initializer before 'noexcept'
          ptrdiff_t __d, memory_order __m) noexcept
                                           ^
/usr/include/c++/4.8/atomic:1105:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1110:66: error: expected initializer before 'noexcept'
     atomic_fetch_sub(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1115:57: error: expected initializer before 'noexcept'
     atomic_fetch_sub(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                         ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/scheduling_mode.h:21:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.h:24,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:22:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
              ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:111:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
              ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_wait.cc:27:0:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/spinlock_linux.inc:35:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(sizeof(std::atomic<uint32_t>) == sizeof(int),
              ^
make[3]: *** [absl/base/CMakeFiles/spinlock_wait.dir/internal/spinlock_wait.cc.o] Error 1
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[2]: *** [absl/base/CMakeFiles/spinlock_wait.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....
In file included from /usr/include/c++/4.8/atomic:41:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:20:
/usr/include/c++/4.8/bits/atomic_base.h: At global scope:
/usr/include/c++/4.8/bits/atomic_base.h:70:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:70:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:76:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:76:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:83:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:83:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:90:3: error: 'constexpr' does not name a type
   constexpr memory_order
   ^
/usr/include/c++/4.8/bits/atomic_base.h:90:3: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:98:41: error: expected initializer before 'noexcept'
   atomic_thread_fence(memory_order __m) noexcept
                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:102:41: error: expected initializer before 'noexcept'
   atomic_signal_fence(memory_order __m) noexcept
                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:108:30: error: expected initializer before 'noexcept'
     kill_dependency(_Tp __y) noexcept
                              ^
/usr/include/c++/4.8/bits/atomic_base.h:156:25: error: 'char16_t' was not declared in this scope
   typedef __atomic_base<char16_t>    atomic_char16_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:156:33: error: template argument 1 is invalid
   typedef __atomic_base<char16_t>    atomic_char16_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:156:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char16_t>    atomic_char16_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:159:25: error: 'char32_t' was not declared in this scope
   typedef __atomic_base<char32_t>    atomic_char32_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:159:33: error: template argument 1 is invalid
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:159:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:162:25: error: 'char32_t' was not declared in this scope
   typedef __atomic_base<char32_t>    atomic_char32_t;
                         ^
/usr/include/c++/4.8/bits/atomic_base.h:162:33: error: template argument 1 is invalid
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:162:53: error: invalid type in declaration before ';' token
   typedef __atomic_base<char32_t>    atomic_char32_t;
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:273:17: error: expected ';' at end of member declaration
     atomic_flag() noexcept = default;
                 ^
/usr/include/c++/4.8/bits/atomic_base.h:273:19: error: 'noexcept' does not name a type
     atomic_flag() noexcept = default;
                   ^
/usr/include/c++/4.8/bits/atomic_base.h:274:18: error: expected ';' at end of member declaration
     ~atomic_flag() noexcept = default;
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:274:20: error: 'noexcept' does not name a type
     ~atomic_flag() noexcept = default;
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:280:5: error: 'constexpr' does not name a type
     constexpr atomic_flag(bool __i) noexcept
     ^
/usr/include/c++/4.8/bits/atomic_base.h:280:5: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:282:5: error: expected unqualified-id before '{' token
     { }
     ^
/usr/include/c++/4.8/bits/atomic_base.h:285:57: error: expected ';' at end of member declaration
     test_and_set(memory_order __m = memory_order_seq_cst) noexcept
                                                         ^
/usr/include/c++/4.8/bits/atomic_base.h:285:59: error: 'noexcept' does not name a type
     test_and_set(memory_order __m = memory_order_seq_cst) noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:291:59: error: expected ';' at end of member declaration
     test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:291:68: error: 'noexcept' does not name a type
     test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:297:50: error: expected ';' at end of member declaration
     clear(memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:297:52: error: 'noexcept' does not name a type
     clear(memory_order __m = memory_order_seq_cst) noexcept
                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:308:52: error: expected ';' at end of member declaration
     clear(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:308:61: error: 'noexcept' does not name a type
     clear(memory_order __m = memory_order_seq_cst) volatile noexcept
                                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:319:12: error: 'constexpr' does not name a type
     static constexpr __atomic_flag_data_type
            ^
/usr/include/c++/4.8/bits/atomic_base.h:319:12: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:357:21: error: expected ';' at end of member declaration
       __atomic_base() noexcept = default;
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:357:23: error: 'noexcept' does not name a type
       __atomic_base() noexcept = default;
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:358:22: error: expected ';' at end of member declaration
       ~__atomic_base() noexcept = default;
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:358:24: error: 'noexcept' does not name a type
       ~__atomic_base() noexcept = default;
                        ^
/usr/include/c++/4.8/bits/atomic_base.h:364:7: error: 'constexpr' does not name a type
       constexpr __atomic_base(__int_type __i) noexcept : _M_i (__i) { }
       ^
/usr/include/c++/4.8/bits/atomic_base.h:364:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:366:29: error: expected ';' at end of member declaration
       operator __int_type() const noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:366:35: error: 'noexcept' does not name a type
       operator __int_type() const noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:369:35: error: expected ';' at end of member declaration
       operator __int_type() const volatile noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:369:44: error: 'noexcept' does not name a type
       operator __int_type() const volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:373:31: error: expected ';' at end of member declaration
       operator=(__int_type __i) noexcept
                               ^
/usr/include/c++/4.8/bits/atomic_base.h:373:33: error: 'noexcept' does not name a type
       operator=(__int_type __i) noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:380:33: error: expected ';' at end of member declaration
       operator=(__int_type __i) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:380:42: error: 'noexcept' does not name a type
       operator=(__int_type __i) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:387:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:387:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:391:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:391:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:395:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:395:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:399:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:399:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:403:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:403:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:407:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:407:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:411:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:411:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:415:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:415:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:419:32: error: expected ';' at end of member declaration
       operator+=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:419:34: error: 'noexcept' does not name a type
       operator+=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:423:34: error: expected ';' at end of member declaration
       operator+=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:423:43: error: 'noexcept' does not name a type
       operator+=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:427:32: error: expected ';' at end of member declaration
       operator-=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:427:34: error: 'noexcept' does not name a type
       operator-=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:431:34: error: expected ';' at end of member declaration
       operator-=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:431:43: error: 'noexcept' does not name a type
       operator-=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:435:32: error: expected ';' at end of member declaration
       operator&=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:435:34: error: 'noexcept' does not name a type
       operator&=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:439:34: error: expected ';' at end of member declaration
       operator&=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:439:43: error: 'noexcept' does not name a type
       operator&=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:443:32: error: expected ';' at end of member declaration
       operator|=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:443:34: error: 'noexcept' does not name a type
       operator|=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:447:34: error: expected ';' at end of member declaration
       operator|=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:447:43: error: 'noexcept' does not name a type
       operator|=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:451:32: error: expected ';' at end of member declaration
       operator^=(__int_type __i) noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:451:34: error: 'noexcept' does not name a type
       operator^=(__int_type __i) noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:455:34: error: expected ';' at end of member declaration
       operator^=(__int_type __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:455:43: error: 'noexcept' does not name a type
       operator^=(__int_type __i) volatile noexcept
                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:459:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:459:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:463:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:463:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:467:68: error: expected ';' at end of member declaration
       store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:467:70: error: 'noexcept' does not name a type
       store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:479:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:479:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:490:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:490:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:500:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:500:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:511:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:511:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:519:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:519:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:526:44: error: expected ';' at end of member declaration
        memory_order __m1, memory_order __m2) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:526:46: error: 'noexcept' does not name a type
        memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:540:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/bits/atomic_base.h:540:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:553:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:553:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:561:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:561:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:569:46: error: expected ';' at end of member declaration
          memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:569:48: error: 'noexcept' does not name a type
          memory_order __m1, memory_order __m2) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:583:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:583:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:597:49: error: expected ';' at end of member declaration
          memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:597:51: error: 'noexcept' does not name a type
          memory_order __m = memory_order_seq_cst) noexcept
                                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:605:45: error: expected ';' at end of member declaration
    memory_order __m = memory_order_seq_cst) volatile noexcept
                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:605:54: error: 'noexcept' does not name a type
    memory_order __m = memory_order_seq_cst) volatile noexcept
                                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:613:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:613:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:618:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:618:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:623:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:623:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:628:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:628:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:633:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:633:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:638:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:638:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:643:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:643:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:648:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:648:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:653:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:653:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:658:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:658:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:673:7: error: 'constexpr' does not name a type
       constexpr ptrdiff_t
       ^
/usr/include/c++/4.8/bits/atomic_base.h:673:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:676:7: error: 'constexpr' does not name a type
       constexpr ptrdiff_t
       ^
/usr/include/c++/4.8/bits/atomic_base.h:676:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:680:21: error: expected ';' at end of member declaration
       __atomic_base() noexcept = default;
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:680:23: error: 'noexcept' does not name a type
       __atomic_base() noexcept = default;
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:681:22: error: expected ';' at end of member declaration
       ~__atomic_base() noexcept = default;
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:681:24: error: 'noexcept' does not name a type
       ~__atomic_base() noexcept = default;
                        ^
/usr/include/c++/4.8/bits/atomic_base.h:687:7: error: 'constexpr' does not name a type
       constexpr __atomic_base(__pointer_type __p) noexcept : _M_p (__p) { }
       ^
/usr/include/c++/4.8/bits/atomic_base.h:687:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/bits/atomic_base.h:689:33: error: expected ';' at end of member declaration
       operator __pointer_type() const noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:689:39: error: 'noexcept' does not name a type
       operator __pointer_type() const noexcept
                                       ^
/usr/include/c++/4.8/bits/atomic_base.h:692:39: error: expected ';' at end of member declaration
       operator __pointer_type() const volatile noexcept
                                       ^
/usr/include/c++/4.8/bits/atomic_base.h:692:48: error: 'noexcept' does not name a type
       operator __pointer_type() const volatile noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:696:35: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) noexcept
                                   ^
/usr/include/c++/4.8/bits/atomic_base.h:696:37: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:703:37: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:703:46: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) volatile noexcept
                                              ^
/usr/include/c++/4.8/bits/atomic_base.h:710:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:710:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:714:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:714:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:718:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/bits/atomic_base.h:718:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:722:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/bits/atomic_base.h:722:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
/usr/include/c++/4.8/bits/atomic_base.h:726:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:726:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:731:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:731:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:736:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
/usr/include/c++/4.8/bits/atomic_base.h:736:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:741:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
/usr/include/c++/4.8/bits/atomic_base.h:741:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:746:31: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) noexcept
                               ^
/usr/include/c++/4.8/bits/atomic_base.h:746:33: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:751:33: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:751:42: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:756:31: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) noexcept
                               ^
/usr/include/c++/4.8/bits/atomic_base.h:756:33: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:761:33: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/bits/atomic_base.h:761:42: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:766:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/bits/atomic_base.h:766:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:770:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/bits/atomic_base.h:770:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:775:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/bits/atomic_base.h:775:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:788:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/bits/atomic_base.h:788:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/bits/atomic_base.h:799:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:799:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:809:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:809:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/bits/atomic_base.h:820:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/bits/atomic_base.h:820:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:828:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/bits/atomic_base.h:828:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/bits/atomic_base.h:836:27: error: expected ';' at end of member declaration
          memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/bits/atomic_base.h:836:29: error: 'noexcept' does not name a type
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:850:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/bits/atomic_base.h:850:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/bits/atomic_base.h:864:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:864:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:869:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:869:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/bits/atomic_base.h:874:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/bits/atomic_base.h:874:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:879:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/bits/atomic_base.h:879:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:20:0:
/usr/include/c++/4.8/atomic:60:17: error: expected ';' at end of member declaration
     atomic_bool() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:60:19: error: 'noexcept' does not name a type
     atomic_bool() noexcept = default;
                   ^
/usr/include/c++/4.8/atomic:61:18: error: expected ';' at end of member declaration
     ~atomic_bool() noexcept = default;
                  ^
/usr/include/c++/4.8/atomic:61:20: error: 'noexcept' does not name a type
     ~atomic_bool() noexcept = default;
                    ^
/usr/include/c++/4.8/atomic:66:5: error: 'constexpr' does not name a type
     constexpr atomic_bool(bool __i) noexcept : _M_base(__i) { }
     ^
/usr/include/c++/4.8/atomic:66:5: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:69:23: error: expected ';' at end of member declaration
     operator=(bool __i) noexcept
                       ^
/usr/include/c++/4.8/atomic:69:25: error: 'noexcept' does not name a type
     operator=(bool __i) noexcept
                         ^
/usr/include/c++/4.8/atomic:73:25: error: expected ';' at end of member declaration
     operator=(bool __i) volatile noexcept
                         ^
/usr/include/c++/4.8/atomic:73:34: error: 'noexcept' does not name a type
     operator=(bool __i) volatile noexcept
                                  ^
/usr/include/c++/4.8/atomic:76:21: error: expected ';' at end of member declaration
     operator bool() const noexcept
                     ^
/usr/include/c++/4.8/atomic:76:27: error: 'noexcept' does not name a type
     operator bool() const noexcept
                           ^
/usr/include/c++/4.8/atomic:79:27: error: expected ';' at end of member declaration
     operator bool() const volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:79:36: error: 'noexcept' does not name a type
     operator bool() const volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:83:20: error: expected ';' at end of member declaration
     is_lock_free() const noexcept { return _M_base.is_lock_free(); }
                    ^
/usr/include/c++/4.8/atomic:83:26: error: 'noexcept' does not name a type
     is_lock_free() const noexcept { return _M_base.is_lock_free(); }
                          ^
/usr/include/c++/4.8/atomic:86:26: error: expected ';' at end of member declaration
     is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
                          ^
/usr/include/c++/4.8/atomic:86:35: error: 'noexcept' does not name a type
     is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
                                   ^
/usr/include/c++/4.8/atomic:89:60: error: expected ';' at end of member declaration
     store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                            ^
/usr/include/c++/4.8/atomic:89:62: error: 'noexcept' does not name a type
     store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                              ^
/usr/include/c++/4.8/atomic:93:62: error: expected ';' at end of member declaration
     store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
                                                              ^
/usr/include/c++/4.8/atomic:93:71: error: 'noexcept' does not name a type
     store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
                                                                       ^
/usr/include/c++/4.8/atomic:97:51: error: expected ';' at end of member declaration
     load(memory_order __m = memory_order_seq_cst) const noexcept
                                                   ^
/usr/include/c++/4.8/atomic:97:57: error: 'noexcept' does not name a type
     load(memory_order __m = memory_order_seq_cst) const noexcept
                                                         ^
/usr/include/c++/4.8/atomic:101:57: error: expected ';' at end of member declaration
     load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:101:66: error: 'noexcept' does not name a type
     load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:105:63: error: expected ';' at end of member declaration
     exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                               ^
/usr/include/c++/4.8/atomic:105:65: error: 'noexcept' does not name a type
     exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
                                                                 ^
/usr/include/c++/4.8/atomic:110:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:110:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:115:23: error: expected ';' at end of member declaration
      memory_order __m2) noexcept
                       ^
/usr/include/c++/4.8/atomic:115:25: error: 'noexcept' does not name a type
      memory_order __m2) noexcept
                         ^
/usr/include/c++/4.8/atomic:120:25: error: expected ';' at end of member declaration
      memory_order __m2) volatile noexcept
                         ^
/usr/include/c++/4.8/atomic:120:34: error: 'noexcept' does not name a type
      memory_order __m2) volatile noexcept
                                  ^
/usr/include/c++/4.8/atomic:125:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/atomic:125:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:130:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:130:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:135:25: error: expected ';' at end of member declaration
        memory_order __m2) noexcept
                         ^
/usr/include/c++/4.8/atomic:135:27: error: 'noexcept' does not name a type
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:140:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:140:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:145:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:145:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:150:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:150:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:167:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:167:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:168:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:168:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:173:7: error: 'constexpr' does not name a type
       constexpr atomic(_Tp __i) noexcept : _M_i(__i) { }
       ^
/usr/include/c++/4.8/atomic:173:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:175:22: error: expected ';' at end of member declaration
       operator _Tp() const noexcept
                      ^
/usr/include/c++/4.8/atomic:175:28: error: 'noexcept' does not name a type
       operator _Tp() const noexcept
                            ^
/usr/include/c++/4.8/atomic:178:28: error: expected ';' at end of member declaration
       operator _Tp() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:178:37: error: 'noexcept' does not name a type
       operator _Tp() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:182:24: error: expected ';' at end of member declaration
       operator=(_Tp __i) noexcept 
                        ^
/usr/include/c++/4.8/atomic:182:26: error: 'noexcept' does not name a type
       operator=(_Tp __i) noexcept 
                          ^
/usr/include/c++/4.8/atomic:186:26: error: expected ';' at end of member declaration
       operator=(_Tp __i) volatile noexcept 
                          ^
/usr/include/c++/4.8/atomic:186:35: error: 'noexcept' does not name a type
       operator=(_Tp __i) volatile noexcept 
                                   ^
/usr/include/c++/4.8/atomic:190:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/atomic:190:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/atomic:194:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:194:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:198:60: error: expected ';' at end of member declaration
       store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                            ^
/usr/include/c++/4.8/atomic:198:62: error: 'noexcept' does not name a type
       store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                              ^
/usr/include/c++/4.8/atomic:202:62: error: expected ';' at end of member declaration
       store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
                                                              ^
/usr/include/c++/4.8/atomic:202:71: error: 'noexcept' does not name a type
       store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
                                                                       ^
/usr/include/c++/4.8/atomic:206:52: error: expected ';' at end of member declaration
       load(memory_order _m = memory_order_seq_cst) const noexcept
                                                    ^
/usr/include/c++/4.8/atomic:206:58: error: 'noexcept' does not name a type
       load(memory_order _m = memory_order_seq_cst) const noexcept
                                                          ^
/usr/include/c++/4.8/atomic:214:58: error: expected ';' at end of member declaration
       load(memory_order _m = memory_order_seq_cst) const volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:214:67: error: 'noexcept' does not name a type
       load(memory_order _m = memory_order_seq_cst) const volatile noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:222:63: error: expected ';' at end of member declaration
       exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                               ^
/usr/include/c++/4.8/atomic:222:65: error: 'noexcept' does not name a type
       exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
                                                                 ^
/usr/include/c++/4.8/atomic:231:49: error: expected ';' at end of member declaration
         memory_order _m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:231:58: error: 'noexcept' does not name a type
         memory_order _m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:240:24: error: expected ';' at end of member declaration
        memory_order __f) noexcept
                        ^
/usr/include/c++/4.8/atomic:240:26: error: 'noexcept' does not name a type
        memory_order __f) noexcept
                          ^
/usr/include/c++/4.8/atomic:247:26: error: expected ';' at end of member declaration
        memory_order __f) volatile noexcept
                          ^
/usr/include/c++/4.8/atomic:247:35: error: 'noexcept' does not name a type
        memory_order __f) volatile noexcept
                                   ^
/usr/include/c++/4.8/atomic:254:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:254:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:259:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:259:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:264:26: error: expected ';' at end of member declaration
          memory_order __f) noexcept
                          ^
/usr/include/c++/4.8/atomic:264:28: error: 'noexcept' does not name a type
          memory_order __f) noexcept
                            ^
/usr/include/c++/4.8/atomic:271:28: error: expected ';' at end of member declaration
          memory_order __f) volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:271:37: error: 'noexcept' does not name a type
          memory_order __f) volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:278:50: error: expected ';' at end of member declaration
           memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:278:52: error: 'noexcept' does not name a type
           memory_order __m = memory_order_seq_cst) noexcept
                                                    ^
/usr/include/c++/4.8/atomic:283:49: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                 ^
/usr/include/c++/4.8/atomic:283:58: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) volatile noexcept
                                                          ^
/usr/include/c++/4.8/atomic:296:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:296:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:297:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:297:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:302:7: error: 'constexpr' does not name a type
       constexpr atomic(__pointer_type __p) noexcept : _M_b(__p) { }
       ^
/usr/include/c++/4.8/atomic:302:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:304:33: error: expected ';' at end of member declaration
       operator __pointer_type() const noexcept
                                 ^
/usr/include/c++/4.8/atomic:304:39: error: 'noexcept' does not name a type
       operator __pointer_type() const noexcept
                                       ^
/usr/include/c++/4.8/atomic:307:39: error: expected ';' at end of member declaration
       operator __pointer_type() const volatile noexcept
                                       ^
/usr/include/c++/4.8/atomic:307:48: error: 'noexcept' does not name a type
       operator __pointer_type() const volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:311:35: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) noexcept
                                   ^
/usr/include/c++/4.8/atomic:311:37: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) noexcept
                                     ^
/usr/include/c++/4.8/atomic:315:37: error: expected ';' at end of member declaration
       operator=(__pointer_type __p) volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:315:46: error: 'noexcept' does not name a type
       operator=(__pointer_type __p) volatile noexcept
                                              ^
/usr/include/c++/4.8/atomic:319:21: error: expected ';' at end of member declaration
       operator++(int) noexcept
                     ^
/usr/include/c++/4.8/atomic:319:23: error: 'noexcept' does not name a type
       operator++(int) noexcept
                       ^
/usr/include/c++/4.8/atomic:323:23: error: expected ';' at end of member declaration
       operator++(int) volatile noexcept
                       ^
/usr/include/c++/4.8/atomic:323:32: error: 'noexcept' does not name a type
       operator++(int) volatile noexcept
                                ^
/usr/include/c++/4.8/atomic:327:21: error: expected ';' at end of member declaration
       operator--(int) noexcept
                     ^
/usr/include/c++/4.8/atomic:327:23: error: 'noexcept' does not name a type
       operator--(int) noexcept
                       ^
/usr/include/c++/4.8/atomic:331:23: error: expected ';' at end of member declaration
       operator--(int) volatile noexcept
                       ^
/usr/include/c++/4.8/atomic:331:32: error: 'noexcept' does not name a type
       operator--(int) volatile noexcept
                                ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.h:20:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
              ^
/usr/include/c++/4.8/atomic:335:18: error: expected ';' at end of member declaration
       operator++() noexcept
                  ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:111:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
              ^
/usr/include/c++/4.8/atomic:335:20: error: 'noexcept' does not name a type
       operator++() noexcept
                    ^
/usr/include/c++/4.8/atomic:339:20: error: expected ';' at end of member declaration
       operator++() volatile noexcept
                    ^
/usr/include/c++/4.8/atomic:339:29: error: 'noexcept' does not name a type
       operator++() volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:343:18: error: expected ';' at end of member declaration
       operator--() noexcept
                  ^
/usr/include/c++/4.8/atomic:343:20: error: 'noexcept' does not name a type
       operator--() noexcept
                    ^
/usr/include/c++/4.8/atomic:347:20: error: expected ';' at end of member declaration
       operator--() volatile noexcept
                    ^
/usr/include/c++/4.8/atomic:347:29: error: 'noexcept' does not name a type
       operator--() volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:351:31: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) noexcept
                               ^
/usr/include/c++/4.8/atomic:351:33: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) noexcept
                                 ^
/usr/include/c++/4.8/atomic:355:33: error: expected ';' at end of member declaration
       operator+=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/atomic:355:42: error: 'noexcept' does not name a type
       operator+=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/atomic:359:31: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) noexcept
                               ^
/usr/include/c++/4.8/atomic:359:33: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) noexcept
                                 ^
/usr/include/c++/4.8/atomic:363:33: error: expected ';' at end of member declaration
       operator-=(ptrdiff_t __d) volatile noexcept
                                 ^
/usr/include/c++/4.8/atomic:363:42: error: 'noexcept' does not name a type
       operator-=(ptrdiff_t __d) volatile noexcept
                                          ^
/usr/include/c++/4.8/atomic:367:22: error: expected ';' at end of member declaration
       is_lock_free() const noexcept
                      ^
/usr/include/c++/4.8/atomic:367:28: error: 'noexcept' does not name a type
       is_lock_free() const noexcept
                            ^
/usr/include/c++/4.8/atomic:371:28: error: expected ';' at end of member declaration
       is_lock_free() const volatile noexcept
                            ^
/usr/include/c++/4.8/atomic:371:37: error: 'noexcept' does not name a type
       is_lock_free() const volatile noexcept
                                     ^
/usr/include/c++/4.8/atomic:376:45: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) noexcept
                                             ^
/usr/include/c++/4.8/atomic:376:47: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:381:47: error: expected ';' at end of member declaration
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                               ^
/usr/include/c++/4.8/atomic:381:56: error: 'noexcept' does not name a type
      memory_order __m = memory_order_seq_cst) volatile noexcept
                                                        ^
/usr/include/c++/4.8/atomic:385:53: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                     ^
/usr/include/c++/4.8/atomic:385:59: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const noexcept
                                                           ^
/usr/include/c++/4.8/atomic:389:59: error: expected ';' at end of member declaration
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                           ^
/usr/include/c++/4.8/atomic:389:68: error: 'noexcept' does not name a type
       load(memory_order __m = memory_order_seq_cst) const volatile noexcept
                                                                    ^
/usr/include/c++/4.8/atomic:394:48: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) noexcept
                                                ^
/usr/include/c++/4.8/atomic:394:50: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:399:50: error: expected ';' at end of member declaration
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                  ^
/usr/include/c++/4.8/atomic:399:59: error: 'noexcept' does not name a type
         memory_order __m = memory_order_seq_cst) volatile noexcept
                                                           ^
/usr/include/c++/4.8/atomic:404:44: error: expected ';' at end of member declaration
        memory_order __m1, memory_order __m2) noexcept
                                            ^
/usr/include/c++/4.8/atomic:404:46: error: 'noexcept' does not name a type
        memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/atomic:410:27: error: expected ';' at end of member declaration
        memory_order __m2) volatile noexcept
                           ^
/usr/include/c++/4.8/atomic:410:36: error: 'noexcept' does not name a type
        memory_order __m2) volatile noexcept
                                    ^
/usr/include/c++/4.8/atomic:415:47: error: expected ';' at end of member declaration
        memory_order __m = memory_order_seq_cst) noexcept
                                               ^
/usr/include/c++/4.8/atomic:415:49: error: 'noexcept' does not name a type
        memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:423:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:423:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:431:46: error: expected ';' at end of member declaration
          memory_order __m1, memory_order __m2) noexcept
                                              ^
/usr/include/c++/4.8/atomic:431:48: error: 'noexcept' does not name a type
          memory_order __m1, memory_order __m2) noexcept
                                                ^
/usr/include/c++/4.8/atomic:437:29: error: expected ';' at end of member declaration
          memory_order __m2) volatile noexcept
                             ^
/usr/include/c++/4.8/atomic:437:38: error: 'noexcept' does not name a type
          memory_order __m2) volatile noexcept
                                      ^
/usr/include/c++/4.8/atomic:442:49: error: expected ';' at end of member declaration
          memory_order __m = memory_order_seq_cst) noexcept
                                                 ^
/usr/include/c++/4.8/atomic:442:51: error: 'noexcept' does not name a type
          memory_order __m = memory_order_seq_cst) noexcept
                                                   ^
/usr/include/c++/4.8/atomic:450:48: error: expected ';' at end of member declaration
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                ^
/usr/include/c++/4.8/atomic:450:57: error: 'noexcept' does not name a type
       memory_order __m = memory_order_seq_cst) volatile noexcept
                                                         ^
/usr/include/c++/4.8/atomic:458:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/atomic:458:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/atomic:463:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/atomic:463:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/atomic:468:42: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) noexcept
                                          ^
/usr/include/c++/4.8/atomic:468:44: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) noexcept
                                            ^
/usr/include/c++/4.8/atomic:473:44: error: expected ';' at end of member declaration
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                            ^
/usr/include/c++/4.8/atomic:473:53: error: 'noexcept' does not name a type
   memory_order __m = memory_order_seq_cst) volatile noexcept
                                                     ^
/usr/include/c++/4.8/atomic:485:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:485:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:486:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:486:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:491:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:491:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:504:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:504:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:505:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:505:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:510:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:510:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:523:14: error: expected ';' at end of member declaration
       atomic() noexcept= default;
              ^
/usr/include/c++/4.8/atomic:523:16: error: 'noexcept' does not name a type
       atomic() noexcept= default;
                ^
/usr/include/c++/4.8/atomic:524:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:524:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:529:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:529:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:542:14: error: expected ';' at end of member declaration
       atomic() noexcept= default;
              ^
/usr/include/c++/4.8/atomic:542:16: error: 'noexcept' does not name a type
       atomic() noexcept= default;
                ^
/usr/include/c++/4.8/atomic:543:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:543:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:548:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:548:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:561:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:561:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:562:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:562:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:567:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:567:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:580:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:580:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:581:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:581:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:586:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:586:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc: In function 'const char* absl::lts_2020_09_23::base_internal::{anonymous}::StrErrorAdaptor(int, char*, size_t)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:41:3: warning: 'auto' changes meaning in C++11; please remove it [-Wc++0x-compat]
   auto ret = strerror_r(errnum, buf, buflen);
   ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:41:8: error: 'ret' does not name a type
   auto ret = strerror_r(errnum, buf, buflen);
        ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:7: error: 'is_same' is not a member of 'std'
   if (std::is_same<decltype(ret), int>::value) {
       ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:29: error: 'ret' was not declared in this scope
   if (std::is_same<decltype(ret), int>::value) {
                             ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:32: error: 'decltype' was not declared in this scope
   if (std::is_same<decltype(ret), int>::value) {
                                ^
/usr/include/c++/4.8/atomic:599:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:35: error: expected primary-expression before 'int'
   if (std::is_same<decltype(ret), int>::value) {
                                   ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:42:35: error: expected ')' before 'int'
/usr/include/c++/4.8/atomic:599:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc: At global scope:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:32:13: warning: unused parameter 'errnum' [-Wunused-parameter]
 const char* StrErrorAdaptor(int errnum, char* buf, size_t buflen) {
             ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:32:13: warning: unused parameter 'buflen' [-Wunused-parameter]
/usr/include/c++/4.8/atomic:600:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:600:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:605:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:605:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:66:1: error: 'constexpr' does not name a type
 constexpr int kSysNerr = 135;
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:66:1: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:68:1: error: 'array' in namespace 'std' does not name a type
 std::array<std::string, kSysNerr>* NewStrErrorTable() {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc: In function 'std::string absl::lts_2020_09_23::base_internal::StrError(int)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:79:16: warning: 'auto' changes meaning in C++11; please remove it [-Wc++0x-compat]
   static const auto* table = NewStrErrorTable();
                ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:79:22: error: conflicting specifiers in declaration of 'table'
   static const auto* table = NewStrErrorTable();
                      ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:79:47: error: 'NewStrErrorTable' was not declared in this scope
   static const auto* table = NewStrErrorTable();
                                               ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:80:48: error: 'table' was not declared in this scope
   if (errnum >= 0 && errnum < static_cast<int>(table->size())) {
                                                ^
/usr/include/c++/4.8/atomic:618:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:618:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:619:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:619:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:624:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:624:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc: In function 'const char* absl::lts_2020_09_23::base_internal::{anonymous}::StrErrorAdaptor(int, char*, size_t)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/strerror.cc:51:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
/usr/include/c++/4.8/atomic:637:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:637:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:638:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:638:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:643:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:643:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:656:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:656:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:657:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:657:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:662:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:662:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
make[3]: *** [absl/base/CMakeFiles/strerror.dir/internal/strerror.cc.o] Error 1
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[2]: *** [absl/base/CMakeFiles/strerror.dir/all] Error 2
/usr/include/c++/4.8/atomic:675:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:675:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:676:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:676:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:681:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:681:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:694:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:694:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:695:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:695:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:700:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:700:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:713:14: error: expected ';' at end of member declaration
       atomic() noexcept = default;
              ^
/usr/include/c++/4.8/atomic:713:16: error: 'noexcept' does not name a type
       atomic() noexcept = default;
                ^
/usr/include/c++/4.8/atomic:714:15: error: expected ';' at end of member declaration
       ~atomic() noexcept = default;
               ^
/usr/include/c++/4.8/atomic:714:17: error: 'noexcept' does not name a type
       ~atomic() noexcept = default;
                 ^
/usr/include/c++/4.8/atomic:719:7: error: 'constexpr' does not name a type
       constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
       ^
/usr/include/c++/4.8/atomic:719:7: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/usr/include/c++/4.8/atomic:727:19: error: 'char16_t' was not declared in this scope
     struct atomic<char16_t> : public atomic_char16_t
                   ^
/usr/include/c++/4.8/atomic:727:27: error: template argument 1 is invalid
     struct atomic<char16_t> : public atomic_char16_t
                           ^
/usr/include/c++/4.8/atomic:728:5: error: expected class-name before '{' token
     {
     ^
/usr/include/c++/4.8/atomic:746:19: error: 'char32_t' was not declared in this scope
     struct atomic<char32_t> : public atomic_char32_t
                   ^
/usr/include/c++/4.8/atomic:746:27: error: template argument 1 is invalid
     struct atomic<char32_t> : public atomic_char32_t
                           ^
/usr/include/c++/4.8/atomic:747:5: error: expected class-name before '{' token
     {
     ^
/usr/include/c++/4.8/atomic:767:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:772:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:776:66: error: expected initializer before 'noexcept'
   atomic_flag_clear_explicit(atomic_flag* __a, memory_order __m) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:781:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:785:46: error: expected initializer before 'noexcept'
   atomic_flag_test_and_set(atomic_flag* __a) noexcept
                                              ^
/usr/include/c++/4.8/atomic:789:55: error: expected initializer before 'noexcept'
   atomic_flag_test_and_set(volatile atomic_flag* __a) noexcept
                                                       ^
/usr/include/c++/4.8/atomic:793:39: error: expected initializer before 'noexcept'
   atomic_flag_clear(atomic_flag* __a) noexcept
                                       ^
/usr/include/c++/4.8/atomic:797:48: error: expected initializer before 'noexcept'
   atomic_flag_clear(volatile atomic_flag* __a) noexcept
                                                ^
/usr/include/c++/4.8/atomic:804:50: error: expected initializer before 'noexcept'
     atomic_is_lock_free(const atomic<_ITp>* __a) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:809:59: error: expected initializer before 'noexcept'
     atomic_is_lock_free(const volatile atomic<_ITp>* __a) noexcept
                                                           ^
/usr/include/c++/4.8/atomic:814:46: error: expected initializer before 'noexcept'
     atomic_init(atomic<_ITp>* __a, _ITp __i) noexcept;
                                              ^
/usr/include/c++/4.8/atomic:818:55: error: expected initializer before 'noexcept'
     atomic_init(volatile atomic<_ITp>* __a, _ITp __i) noexcept;
                                                       ^
/usr/include/c++/4.8/atomic:823:24: error: expected initializer before 'noexcept'
      memory_order __m) noexcept
                        ^
/usr/include/c++/4.8/atomic:829:24: error: expected initializer before 'noexcept'
      memory_order __m) noexcept
                        ^
/usr/include/c++/4.8/atomic:834:69: error: expected initializer before 'noexcept'
     atomic_load_explicit(const atomic<_ITp>* __a, memory_order __m) noexcept
                                                                     ^
/usr/include/c++/4.8/atomic:840:23: error: expected initializer before 'noexcept'
     memory_order __m) noexcept
                       ^
/usr/include/c++/4.8/atomic:846:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:852:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:860:27: error: expected initializer before 'noexcept'
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:868:27: error: expected initializer before 'noexcept'
        memory_order __m2) noexcept
                           ^
/usr/include/c++/4.8/atomic:876:29: error: expected initializer before 'noexcept'
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/atomic:884:29: error: expected initializer before 'noexcept'
          memory_order __m2) noexcept
                             ^
/usr/include/c++/4.8/atomic:890:47: error: expected initializer before 'noexcept'
     atomic_store(atomic<_ITp>* __a, _ITp __i) noexcept
                                               ^
/usr/include/c++/4.8/atomic:895:56: error: expected initializer before 'noexcept'
     atomic_store(volatile atomic<_ITp>* __a, _ITp __i) noexcept
                                                        ^
/usr/include/c++/4.8/atomic:900:42: error: expected initializer before 'noexcept'
     atomic_load(const atomic<_ITp>* __a) noexcept
                                          ^
/usr/include/c++/4.8/atomic:905:51: error: expected initializer before 'noexcept'
     atomic_load(const volatile atomic<_ITp>* __a) noexcept
                                                   ^
/usr/include/c++/4.8/atomic:910:50: error: expected initializer before 'noexcept'
     atomic_exchange(atomic<_ITp>* __a, _ITp __i) noexcept
                                                  ^
/usr/include/c++/4.8/atomic:915:59: error: expected initializer before 'noexcept'
     atomic_exchange(volatile atomic<_ITp>* __a, _ITp __i) noexcept
                                                           ^
/usr/include/c++/4.8/atomic:921:29: error: expected initializer before 'noexcept'
      _ITp* __i1, _ITp __i2) noexcept
                             ^
/usr/include/c++/4.8/atomic:931:29: error: expected initializer before 'noexcept'
      _ITp* __i1, _ITp __i2) noexcept
                             ^
/usr/include/c++/4.8/atomic:941:31: error: expected initializer before 'noexcept'
        _ITp* __i1, _ITp __i2) noexcept
                               ^
/usr/include/c++/4.8/atomic:951:31: error: expected initializer before 'noexcept'
        _ITp* __i1, _ITp __i2) noexcept
                               ^
/usr/include/c++/4.8/atomic:965:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:971:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:977:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:983:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:989:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:995:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1001:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:1007:27: error: expected initializer before 'noexcept'
         memory_order __m) noexcept
                           ^
/usr/include/c++/4.8/atomic:1013:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1019:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1024:58: error: expected initializer before 'noexcept'
     atomic_fetch_add(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1029:67: error: expected initializer before 'noexcept'
     atomic_fetch_add(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1034:58: error: expected initializer before 'noexcept'
     atomic_fetch_sub(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1039:67: error: expected initializer before 'noexcept'
     atomic_fetch_sub(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1044:58: error: expected initializer before 'noexcept'
     atomic_fetch_and(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1049:67: error: expected initializer before 'noexcept'
     atomic_fetch_and(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1054:57: error: expected initializer before 'noexcept'
     atomic_fetch_or(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                         ^
/usr/include/c++/4.8/atomic:1059:66: error: expected initializer before 'noexcept'
     atomic_fetch_or(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1064:58: error: expected initializer before 'noexcept'
     atomic_fetch_xor(__atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                          ^
/usr/include/c++/4.8/atomic:1069:67: error: expected initializer before 'noexcept'
     atomic_fetch_xor(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
                                                                   ^
/usr/include/c++/4.8/atomic:1077:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1083:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1088:66: error: expected initializer before 'noexcept'
     atomic_fetch_add(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1093:57: error: expected initializer before 'noexcept'
     atomic_fetch_add(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                         ^
/usr/include/c++/4.8/atomic:1099:43: error: expected initializer before 'noexcept'
          ptrdiff_t __d, memory_order __m) noexcept
                                           ^
/usr/include/c++/4.8/atomic:1105:28: error: expected initializer before 'noexcept'
          memory_order __m) noexcept
                            ^
/usr/include/c++/4.8/atomic:1110:66: error: expected initializer before 'noexcept'
     atomic_fetch_sub(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                                  ^
/usr/include/c++/4.8/atomic:1115:57: error: expected initializer before 'noexcept'
     atomic_fetch_sub(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
                                                         ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc: In member function 'int64_t absl::lts_2020_09_23::base_internal::ExponentialBiased::GetSkipCount(int64_t)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:54:44: error: 'kPrngNumBits' was not declared in this scope
   double q = static_cast<uint32_t>(rng >> (kPrngNumBits - 26)) + 1.0;
                                            ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:56:30: error: 'log2' is not a member of 'std'
   double interval = bias_ + (std::log2(q) - 26) * (-std::log(2.0) * mean);
                              ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:56:30: note: suggested alternative:
In file included from /usr/include/features.h:374:0,
                 from /usr/include/stdint.h:25,
                 from /usr/lib/gcc/x86_64-linux-gnu/4.8/include/stdint.h:9,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:18,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:144:1: note:   'log2'
 __MATHCALL (log2,, (_Mdouble_ __x));
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:67:18: error: 'round' is not a member of 'std'
   double value = std::round(interval);
                  ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:67:18: note: suggested alternative:
In file included from /usr/include/features.h:374:0,
                 from /usr/include/stdint.h:25,
                 from /usr/lib/gcc/x86_64-linux-gnu/4.8/include/stdint.h:9,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.h:18,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:15:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:309:1: note:   'round'
 __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc: In member function 'void absl::lts_2020_09_23::base_internal::ExponentialBiased::Initialize()':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:81:61: error: no matching function for call to 'std::atomic<unsigned int>::atomic(int)'
   ABSL_CONST_INIT static std::atomic<uint32_t> global_rand(0);
                                                             ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:81:61: note: candidate is:
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/internal/exponential_biased.cc:20:0:
/usr/include/c++/4.8/atomic:618:7: note: std::atomic<unsigned int>::atomic()
       atomic() noexcept = default;
       ^
/usr/include/c++/4.8/atomic:618:7: note:   candidate expects 0 arguments, 1 provided
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/attributes.h:39:0,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:21,
                 from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:108:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != '\0',
              ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/config.h:111:14: error: expected constructor, destructor, or type conversion before '(' token
 static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
              ^
In file included from /home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:15:0:
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:69:1: warning: scoped enums only available with -std=c++11 or -std=gnu++11 [enabled by default]
 enum class LogSeverity : int {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:69:26: warning: scoped enums only available with -std=c++11 or -std=gnu++11 [enabled by default]
 enum class LogSeverity : int {
                          ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:80:1: error: 'constexpr' does not name a type
 constexpr std::array<absl::LogSeverity, 4> LogSeverities() {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:80:1: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:89:1: error: 'constexpr' does not name a type
 constexpr const char* LogSeverityName(absl::LogSeverity s) {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:89:1: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:103:1: error: 'constexpr' does not name a type
 constexpr absl::LogSeverity NormalizeLogSeverity(absl::LogSeverity s) {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:103:1: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:108:1: error: 'constexpr' does not name a type
 constexpr absl::LogSeverity NormalizeLogSeverity(int s) {
 ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.h:108:1: note: C++11 'constexpr' only available with -std=c++11 or -std=gnu++11
make[3]: *** [absl/base/CMakeFiles/exponential_biased.dir/internal/exponential_biased.cc.o] Error 1
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc: In function 'std::ostream& absl::lts_2020_09_23::operator<<(std::ostream&, absl::lts_2020_09_23::LogSeverity)':
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:23:12: error: 'NormalizeLogSeverity' is not a member of 'absl'
   if (s == absl::NormalizeLogSeverity(s)) return os << absl::LogSeverityName(s);
            ^
/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/absl/base/log_severity.cc:23:56: error: 'LogSeverityName' is not a member of 'absl'
   if (s == absl::NormalizeLogSeverity(s)) return os << absl::LogSeverityName(s);
                                                        ^
make[2]: *** [absl/base/CMakeFiles/exponential_biased.dir/all] Error 2
make[3]: *** [absl/base/CMakeFiles/log_severity.dir/log_severity.cc.o] Error 1
make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[2]: *** [absl/base/CMakeFiles/log_severity.dir/all] Error 2
make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2'
make: *** [/home/buildroot/autobuild/run/instance-0/output-1/build/host-libabseil-cpp-20200923.2/.stamp_built] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-0/buildroot'