...found 11 targets...
...updating 10 targets...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-10.3.0/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-10.3.0/debug/threading-multi/visibility-hidden/arm.o
...updated 1 target...
...found 9 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/release/threading-multi/visibility-hidden/has_cxx20_atomic_ref.o...
...failed updating 1 target...
...updated 6 targets...
...found 138 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/release/threading-multi/visibility-hidden/has_statx.o" "libs/filesystem/config/has_statx.cpp"

...failed gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.3.0/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-10.3.0/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:27:9: warning: unused variable 'res' [-Wunused-variable]
   27 |     int res = syscall(__NR_statx, AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
      |         ^~~
...updated 1 target...
...patience...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-10.3.0/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-10.3.0/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-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/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-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/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-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/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-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/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-10.3.0/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/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/release/threading-multi/visibility-hidden/has_stat_st_birthtimespec.o...
...failed updating 1 target...
...found 297 targets...
...updating 9 targets...
gcc.compile.c++ bin.v2/libs/log/config/atomic-int32/gcc-10.3.0/release/pch-off/threading-multi/visibility-hidden/atomic_int32.o
...updated 9 targets...
...found 9 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/log/config/native-syslog/gcc-10.3.0/release/pch-off/threading-multi/visibility-hidden/native_syslog.o
...updated 7 targets...
...found 8 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/log/config/pthread-mutex-robust/gcc-10.3.0/release/pch-off/threading-multi/visibility-hidden/pthread_mutex_robust.o
...updated 7 targets...
...found 24 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.3.0/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
   12 | #include <unicode/uversion.h>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.

    "/home/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-buildroot-linux-musleabihf-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0  -fPIC -pthread -Os -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-10.3.0/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-10.3.0/release/threading-multi/visibility-hidden/has_icu_test.o...
...skipped <pbin.v2/libs/regex/build/gcc-10.3.0/release/threading-multi/visibility-hidden>has_icu for lack of <pbin.v2/libs/regex/build/gcc-10.3.0/release/threading-multi/visibility-hidden>has_icu_test.o...
...failed updating 1 target...
...skipped 1 target...
...updated 6 targets...
...found 11 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.3.0/release/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o
gcc.link bin.v2/libs/thread/build/gcc-10.3.0/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...