...found 11 targets...
...updating 10 targets...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/32.o
libs/config/checks/architecture/32.cpp:9:36: error: size of array 'test' is negative
 int test[sizeof(void*) == 4? 1 : -1];
                                    ^

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1   -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/32.o" "libs/config/checks/architecture/32.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/32.o...
...failed updating 1 target...
...updated 9 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/64.o
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/arm.o
libs/config/checks/architecture/arm.cpp:13:2: error: #error "Not ARM"
 #error "Not ARM"
  ^~~~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1   -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/arm.o" "libs/config/checks/architecture/arm.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/arm.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/loongarch.o
libs/config/checks/architecture/loongarch.cpp:10:2: error: #error "Not LoongArch"
 #error "Not LoongArch"
  ^~~~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1   -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/loongarch.o" "libs/config/checks/architecture/loongarch.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/loongarch.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/mips.o
...updated 1 target...
...found 9 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_cxx20_atomic_ref.o
libs/filesystem/config/has_cxx20_atomic_ref.cpp: In function 'int main()':
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:10: error: 'atomic_ref' is not a member of 'std'
     std::atomic_ref< func_t* > ref(func);
          ^~~~~~~~~~
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:10: note: suggested alternative: 'atomic_int'
     std::atomic_ref< func_t* > ref(func);
          ^~~~~~~~~~
          atomic_int
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:28: error: expected primary-expression before '*' token
     std::atomic_ref< func_t* > ref(func);
                            ^
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:30: error: expected primary-expression before '>' token
     std::atomic_ref< func_t* > ref(func);
                              ^
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:32: error: 'ref' was not declared in this scope
     std::atomic_ref< func_t* > ref(func);
                                ^~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_cxx20_atomic_ref.o" "libs/filesystem/config/has_cxx20_atomic_ref.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_cxx20_atomic_ref.o...
...failed updating 1 target...
...updated 6 targets...
...found 3 targets...
...updating 2 targets...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_linkflag_no_undefined.o
gcc.link.dll bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/libhas_linkflag_no_undefined.so.1.83.0
...updated 2 targets...
...patience...
...found 138 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_statx.o
libs/filesystem/config/has_statx.cpp: In function 'int main()':
libs/filesystem/config/has_statx.cpp:17:18: error: aggregate 'main()::statx st' has incomplete type and cannot be defined
     struct statx st;
                  ^~
libs/filesystem/config/has_statx.cpp:18:75: error: 'STATX_BTIME' was not declared in this scope
     int res = statx(AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
                                                                           ^~~~~~~~~~~
libs/filesystem/config/has_statx.cpp:18:91: error: invalid use of incomplete type 'struct main()::statx'
     int res = statx(AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
                                                                                           ^
libs/filesystem/config/has_statx.cpp:17:12: note: forward declaration of 'struct main()::statx'
     struct statx st;
            ^~~~~
libs/filesystem/config/has_statx.cpp:18:9: warning: unused variable 'res' [-Wunused-variable]
     int res = statx(AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
         ^~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_statx.o" "libs/filesystem/config/has_statx.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_statx.o...
...failed updating 1 target...
...found 4 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_statx_syscall.o
libs/filesystem/config/has_statx_syscall.cpp: In function 'int main()':
libs/filesystem/config/has_statx_syscall.cpp:32:9: warning: unused variable 'res' [-Wunused-variable]
     int res = syscall(__NR_statx, AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
         ^~~
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_attribute_init_priority.o
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtim.o
libs/filesystem/config/has_stat_st_mtim.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_mtim.cpp:16:17: warning: variable 'st' set but not used [-Wunused-but-set-variable]
     struct stat st;
                 ^~
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimensec.o
libs/filesystem/config/has_stat_st_mtimensec.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_mtimensec.cpp:17:8: error: 'struct stat' has no member named 'st_mtimensec'; did you mean 'st_mtim'?
     st.st_mtimensec = 10;
        ^~~~~~~~~~~~
        st_mtim

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimensec.o" "libs/filesystem/config/has_stat_st_mtimensec.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimensec.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimespec.o
libs/filesystem/config/has_stat_st_mtimespec.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_mtimespec.cpp:17:8: error: 'struct stat' has no member named 'st_mtimespec'; did you mean 'st_mtim'?
     st.st_mtimespec.tv_nsec = 10;
        ^~~~~~~~~~~~
        st_mtim

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimespec.o" "libs/filesystem/config/has_stat_st_mtimespec.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_mtimespec.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtim.o
libs/filesystem/config/has_stat_st_birthtim.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_birthtim.cpp:17:8: error: 'struct stat' has no member named 'st_birthtim'; did you mean 'st_atim'?
     st.st_birthtim.tv_sec = 1;
        ^~~~~~~~~~~
        st_atim
libs/filesystem/config/has_stat_st_birthtim.cpp:18:8: error: 'struct stat' has no member named 'st_birthtim'; did you mean 'st_atim'?
     st.st_birthtim.tv_nsec = 10;
        ^~~~~~~~~~~
        st_atim

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtim.o" "libs/filesystem/config/has_stat_st_birthtim.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtim.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimensec.o
libs/filesystem/config/has_stat_st_birthtimensec.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_birthtimensec.cpp:17:8: error: 'struct stat' has no member named 'st_birthtime'; did you mean 'st_atim'?
     st.st_birthtime = 1;
        ^~~~~~~~~~~~
        st_atim
libs/filesystem/config/has_stat_st_birthtimensec.cpp:18:8: error: 'struct stat' has no member named 'st_birthtimensec'
     st.st_birthtimensec = 10;
        ^~~~~~~~~~~~~~~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimensec.o" "libs/filesystem/config/has_stat_st_birthtimensec.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimensec.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimespec.o
libs/filesystem/config/has_stat_st_birthtimespec.cpp: In function 'int main()':
libs/filesystem/config/has_stat_st_birthtimespec.cpp:17:8: error: 'struct stat' has no member named 'st_birthtimespec'
     st.st_birthtimespec.tv_sec = 1;
        ^~~~~~~~~~~~~~~~
libs/filesystem/config/has_stat_st_birthtimespec.cpp:18:8: error: 'struct stat' has no member named 'st_birthtimespec'
     st.st_birthtimespec.tv_nsec = 10;
        ^~~~~~~~~~~~~~~~

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG   -I"." -I"libs/filesystem/src"  -c -o "bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimespec.o" "libs/filesystem/config/has_stat_st_birthtimespec.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimespec.o...
...failed updating 1 target...
...found 3 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_fdopendir_nofollow.o
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_dirent_d_type.o
...updated 1 target...
...found 3 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_posix_at_apis.o
...updated 1 target...
...found 129 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/regex/build/gcc-8.4.0/release/threading-multi/visibility-hidden/has_icu_test.o
libs/regex/build/has_icu_test.cpp:12:10: fatal error: unicode/uversion.h: No such file or directory
 #include <unicode/uversion.h>
          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.

    "/home/buildroot/instance-0/output-1/host/bin/mips64el-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2 -g0  -fPIC -pthread -O2 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_HAS_ICU=1 -DNDEBUG   -I"."  -c -o "bin.v2/libs/regex/build/gcc-8.4.0/release/threading-multi/visibility-hidden/has_icu_test.o" "libs/regex/build/has_icu_test.cpp"

...failed gcc.compile.c++ bin.v2/libs/regex/build/gcc-8.4.0/release/threading-multi/visibility-hidden/has_icu_test.o...
...skipped <pbin.v2/libs/regex/build/gcc-8.4.0/release/threading-multi/visibility-hidden>has_icu for lack of <pbin.v2/libs/regex/build/gcc-8.4.0/release/threading-multi/visibility-hidden>has_icu_test.o...
...failed updating 1 target...
...skipped 1 target...
...updated 6 targets...
...found 6 targets...
...updating 5 targets...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_constexpr.o
...updated 5 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_decltype.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_tuple.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_template_aliases.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_variadic_templates.o
...updated 1 target...
...found 8 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/json/build/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_basic_alignas.o
...updated 7 targets...
...found 8 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/math/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_gcc_visibility.o
...updated 7 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_noexcept.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_rvalue_references.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/sfinae_expr.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_auto_declarations.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_lambdas.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_unified_initialization_syntax.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_initializer_list.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_chrono.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_thread_local.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_nullptr.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_numeric_limits.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_array.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_atomic.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_type_traits.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_allocator.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_explicit_conversion_operators.o
...updated 1 target...
...found 12 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/math/config/gcc-8.4.0/release/threading-multi/visibility-hidden/has_long_double_support.o
...updated 1 target...
...found 191 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-8.4.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o
gcc.link bin.v2/libs/thread/build/gcc-8.4.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree
...updated 8 targets...
...found 1 target...
...updating 1 target...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...