...found 11 targets...
...updating 10 targets...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/32.o
...updated 10 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/arm.o
libs/config/checks/architecture/arm.cpp:13:2: error: #error "Not ARM"
   13 | #error "Not ARM"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/arm.o" "libs/config/checks/architecture/arm.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/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-10.2.0/debug/threading-multi/visibility-hidden/mips.o
libs/config/checks/architecture/mips.cpp:10:2: error: #error "Not MIPS"
   10 | #error "Not MIPS"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/mips.o" "libs/config/checks/architecture/mips.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/mips.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/power.o
libs/config/checks/architecture/power.cpp:13:2: error: #error "Not PPC"
   13 | #error "Not PPC"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/power.o" "libs/config/checks/architecture/power.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/power.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/riscv.o
libs/config/checks/architecture/riscv.cpp:9:2: error: #error "Not RISC-V"
    9 | #error "Not RISC-V"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/riscv.o" "libs/config/checks/architecture/riscv.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/riscv.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/s390x.o
libs/config/checks/architecture/s390x.cpp:10:2: error: #error "Not S390x"
   10 | #error "Not S390x"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/s390x.o" "libs/config/checks/architecture/s390x.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/s390x.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/sparc.o
libs/config/checks/architecture/sparc.cpp:10:2: error: #error "Not SPARC"
   10 | #error "Not SPARC"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/sparc.o" "libs/config/checks/architecture/sparc.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/sparc.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/x86.o
libs/config/checks/architecture/x86.cpp:15:2: error: #error "Not x86"
   15 | #error "Not x86"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/x86.o" "libs/config/checks/architecture/x86.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/x86.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/combined.o
libs/config/checks/architecture/combined.cpp:20:2: error: #error "Not combined"
   20 | #error "Not combined"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/combined.o" "libs/config/checks/architecture/combined.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/debug/threading-multi/visibility-hidden/combined.o...
...failed updating 1 target...
...found 4 targets...
...updating 4 targets...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/x86.o
libs/config/checks/architecture/x86.cpp:15:2: error: #error "Not x86"
   15 | #error "Not x86"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/x86.o" "libs/config/checks/architecture/x86.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/x86.o...
...failed updating 1 target...
...updated 3 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/arm.o
libs/config/checks/architecture/arm.cpp:13:2: error: #error "Not ARM"
   13 | #error "Not ARM"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/arm.o" "libs/config/checks/architecture/arm.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/arm.o...
...failed updating 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/mips.o
libs/config/checks/architecture/mips.cpp:10:2: error: #error "Not MIPS"
   10 | #error "Not MIPS"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/mips.o" "libs/config/checks/architecture/mips.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/mips.o...
...failed updating 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/power.o
libs/config/checks/architecture/power.cpp:13:2: error: #error "Not PPC"
   13 | #error "Not PPC"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/power.o" "libs/config/checks/architecture/power.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/power.o...
...failed updating 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/sparc.o
libs/config/checks/architecture/sparc.cpp:10:2: error: #error "Not SPARC"
   10 | #error "Not SPARC"
      |  ^~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/sparc.o" "libs/config/checks/architecture/sparc.cpp"

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.2.0/release/threading-multi/visibility-hidden/sparc.o...
...failed updating 1 target...
...found 9 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.2.0/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'
   15 |     std::atomic_ref< func_t* > ref(func);
      |          ^~~~~~~~~~
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:10: note: 'std::atomic_ref' is only available from C++2a onwards
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:28: error: expected primary-expression before '*' token
   15 |     std::atomic_ref< func_t* > ref(func);
      |                            ^
libs/filesystem/config/has_cxx20_atomic_ref.cpp:15:30: error: expected primary-expression before '>' token
   15 |     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
   15 |     std::atomic_ref< func_t* > ref(func);
      |                                ^~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/release/threading-multi/visibility-hidden/has_cxx20_atomic_ref.o...
...failed updating 1 target...
...updated 6 targets...
...patience...
...found 138 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.2.0/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
   17 |     struct statx st;
      |                  ^~
libs/filesystem/config/has_statx.cpp:18:75: error: 'STATX_BTIME' was not declared in this scope
   18 |     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'
   18 |     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'
   17 |     struct statx st;
      |            ^~~~~
libs/filesystem/config/has_statx.cpp:18:9: warning: unused variable 'res' [-Wunused-variable]
   18 |     int res = statx(AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
      |         ^~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/release/threading-multi/visibility-hidden/has_statx.o" "libs/filesystem/config/has_statx.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.2.0/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-10.2.0/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]
   32 |     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-10.2.0/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-10.2.0/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]
   16 |     struct stat st;
      |                 ^~
...updated 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.2.0/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'
   17 |     st.st_mtimensec = 10;
      |        ^~~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/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-10.2.0/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'
   17 |     st.st_mtimespec.tv_nsec = 10;
      |        ^~~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/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-10.2.0/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'
   17 |     st.st_birthtim.tv_sec = 1;
      |        ^~~~~~~~~~~
libs/filesystem/config/has_stat_st_birthtim.cpp:18:8: error: 'struct stat' has no member named 'st_birthtim'
   18 |     st.st_birthtim.tv_nsec = 10;
      |        ^~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/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-10.2.0/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'
   17 |     st.st_birthtime = 1;
      |        ^~~~~~~~~~~~
libs/filesystem/config/has_stat_st_birthtimensec.cpp:18:8: error: 'struct stat' has no member named 'st_birthtimensec'
   18 |     st.st_birthtimensec = 10;
      |        ^~~~~~~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/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-10.2.0/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'
   17 |     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'
   18 |     st.st_birthtimespec.tv_nsec = 10;
      |        ^~~~~~~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -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-10.2.0/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-10.2.0/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-10.2.0/release/threading-multi/visibility-hidden/has_fdopendir_nofollow.o
...updated 1 target...
...found 10 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/zlib_h.o
...updated 8 targets...
...found 5 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/main-z.o
gcc.link bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/z
...updated 3 targets...
...found 4 targets...
...updating 2 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/bzlib_h.o
...updated 2 targets...
...found 5 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/main-bz2.o
gcc.link bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/bz2
...updated 3 targets...
...found 4 targets...
...updating 2 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/lzma_h.o
...updated 2 targets...
...found 5 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/main-lzma.o
gcc.link bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/lzma
...updated 3 targets...
...found 4 targets...
...updating 2 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/zstd_h.o
...updated 2 targets...
...found 5 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/main-zstd.o
gcc.link bin.v2/standalone/ac/gcc-10.2.0/release/threading-multi/visibility-hidden/zstd
...updated 3 targets...
...found 10 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/iostreams/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_lzma_cputhreads.o
gcc.link bin.v2/libs/iostreams/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_lzma_cputhreads
...updated 8 targets...
...found 8 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/math/config/gcc-10.2.0/release/threading-multi/visibility-hidden/has_gcc_visibility.o
...updated 7 targets...
...found 107 targets...
...updating 5 targets...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/release/threading-multi/visibility-hidden/cxx11_noexcept.o
...updated 5 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/release/threading-multi/visibility-hidden/cxx11_constexpr.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/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-10.2.0/release/threading-multi/visibility-hidden/cxx11_explicit_conversion_operators.o
...updated 1 target...
...found 13 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/math/config/gcc-10.2.0/release/threading-multi/visibility-hidden/has_long_double_support.o
...updated 1 target...
...found 236 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_icu_test.o
gcc.link bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_icu
...updated 8 targets...
...found 12 targets...
...updating 9 targets...
gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_backtrace.o
libs/stacktrace/build/has_backtrace.cpp:7:10: fatal error: backtrace.h: No such file or directory
    7 | #include <backtrace.h>
      |          ^~~~~~~~~~~~~
compilation terminated.

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_backtrace.o" "libs/stacktrace/build/has_backtrace.cpp"

...failed gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_backtrace.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>libbacktrace_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>has_backtrace.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>libbacktrace.output for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>libbacktrace_exe...
...failed updating 1 target...
...skipped 2 targets...
...updated 6 targets...
...found 5 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_addr2line.o
gcc.link bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line_exe
Jamfile</home/buildroot/autobuild/instance-1/output-1/build/boost-1.79.0/libs/stacktrace/build>.mp_simple_run_action bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line.output
/bin/sh: 2: bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line_exe: Exec format error

      bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line_exe > bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line.output

...failed Jamfile</home/buildroot/autobuild/instance-1/output-1/build/boost-1.79.0/libs/stacktrace/build>.mp_simple_run_action bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line.output...
...removing bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/addr2line.output
...failed updating 1 target...
...updated 2 targets...
...found 6 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg.o
libs/stacktrace/build/has_windbg.cpp:8:10: fatal error: windows.h: No such file or directory
    8 | #include <windows.h>
      |          ^~~~~~~~~~~
compilation terminated.

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg.o" "libs/stacktrace/build/has_windbg.cpp"

...failed gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbg_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>has_windbg.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbg.output for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbg_exe...
...failed updating 1 target...
...skipped 2 targets...
...found 4 targets...
...updating 3 targets...
gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg_cached.o
libs/stacktrace/build/has_windbg_cached.cpp:11:10: fatal error: windows.h: No such file or directory
   11 | #include <windows.h>
      |          ^~~~~~~~~~~
compilation terminated.

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg_cached.o" "libs/stacktrace/build/has_windbg_cached.cpp"

...failed gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_windbg_cached.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbgCached_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>has_windbg_cached.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbgCached.output for lack of <pbin.v2/libs/stacktrace/build/gcc-10.2.0/release/threading-multi/visibility-hidden>WinDbgCached_exe...
...failed updating 1 target...
...skipped 2 targets...
...found 193 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o
In file included from ./boost/atomic/atomic.hpp:21,
                 from libs/thread/src/../build/../../../boost/atomic.hpp:15,
                 from libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp:6:
libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp: In function 'int main(int, char**)':
./boost/atomic/detail/capabilities.hpp:43:38: error: static assertion failed: BOOST_ATOMIC_FLAG_LOCK_FREE
   43 | #define BOOST_ATOMIC_INT32_LOCK_FREE 0
      |                                      ^
./boost/static_assert.hpp:71:55: note: in definition of macro 'BOOST_STATIC_ASSERT'
   71 | #     define BOOST_STATIC_ASSERT( ... ) static_assert(__VA_ARGS__, #__VA_ARGS__)
      |                                                       ^~~~~~~~~~~
./boost/atomic/detail/capabilities.hpp:160:37: note: in expansion of macro 'BOOST_ATOMIC_INT32_LOCK_FREE'
  160 | #define BOOST_ATOMIC_FLAG_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp:11:23: note: in expansion of macro 'BOOST_ATOMIC_FLAG_LOCK_FREE'
   11 |   BOOST_STATIC_ASSERT(BOOST_ATOMIC_FLAG_LOCK_FREE);
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~

    "/home/buildroot/autobuild/instance-1/output-1/host/bin/arc-buildroot-linux-uclibc-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O0 -g2  -fPIC -pthread -O0 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DNDEBUG  -I"."  -c -o "bin.v2/libs/thread/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o" "libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp"

...failed gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.2.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o...
...skipped <pbin.v2/libs/thread/build/gcc-10.2.0/release/threading-multi/visibility-hidden>has_atomic_flag_lockfree for lack of <pbin.v2/libs/thread/build/gcc-10.2.0/release/threading-multi/visibility-hidden>has_atomic_flag_lockfree_test.o...
...failed updating 1 target...
...skipped 1 target...
...updated 6 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/release/threading-multi/visibility-hidden/cxx11_variadic_templates.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/release/threading-multi/visibility-hidden/cxx11_hdr_thread.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/release/threading-multi/visibility-hidden/cxx11_hdr_mutex.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-10.2.0/release/threading-multi/visibility-hidden/cxx11_hdr_regex.o
...updated 1 target...
...found 1 target...
...updating 1 target...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...