...found 9 targets...
...updating 4 targets...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/32.o
...updated 4 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/arm.o
libs/config/checks/architecture/arm.cpp:13:2: error: #error "Not ARM"
 #error "Not ARM"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/arm.o" "libs/config/checks/architecture/arm.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/arm.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/mips1.o
libs/config/checks/architecture/mips1.cpp:10:2: error: #error "Not MIPS1"
 #error "Not MIPS1"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/mips1.o" "libs/config/checks/architecture/mips1.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/mips1.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/power.o
libs/config/checks/architecture/power.cpp:13:2: error: #error "Not PPC"
 #error "Not PPC"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/power.o" "libs/config/checks/architecture/power.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/power.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/riscv.o
libs/config/checks/architecture/riscv.cpp:9:2: error: #error "Not RISC-V"
 #error "Not RISC-V"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/riscv.o" "libs/config/checks/architecture/riscv.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/riscv.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/s390x.o
libs/config/checks/architecture/s390x.cpp:10:2: error: #error "Not S390x"
 #error "Not S390x"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/s390x.o" "libs/config/checks/architecture/s390x.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/s390x.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/sparc.o
libs/config/checks/architecture/sparc.cpp:10:2: error: #error "Not SPARC"
 #error "Not SPARC"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/sparc.o" "libs/config/checks/architecture/sparc.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/sparc.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/x86.o
libs/config/checks/architecture/x86.cpp:15:2: error: #error "Not x86"
 #error "Not x86"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/x86.o" "libs/config/checks/architecture/x86.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/x86.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/combined.o
libs/config/checks/architecture/combined.cpp:20:2: error: #error "Not combined"
 #error "Not combined"
  ^~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -Os -fno-inline -Wall -g      -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/combined.o" "libs/config/checks/architecture/combined.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/combined.o...
...failed updating 1 target...
...found 13 targets...
...updating 9 targets...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.3.0/debug/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:14:17: warning: variable 'st' set but not used [-Wunused-but-set-variable]
     struct stat st;
                 ^~
...updated 9 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/filesystem/config/gcc-8.3.0/debug/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:15:8: error: 'struct stat' has no member named 'st_mtimensec'; did you mean 'st_mtim'?
     st.st_mtimensec = 10;
        ^~~~~~~~~~~~
        st_mtim

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/filesystem/config/gcc-8.3.0/debug/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-8.3.0/debug/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-8.3.0/debug/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:15:8: error: 'struct stat' has no member named 'st_mtimespec'; did you mean 'st_mtim'?
     st.st_mtimespec.tv_nsec = 10;
        ^~~~~~~~~~~~
        st_mtim

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/filesystem/config/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_stat_st_mtimespec.o...
...failed updating 1 target...
...found 105 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.3.0/debug/threading-multi/visibility-hidden/cxx11_defaulted_functions.o
...updated 7 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.3.0/debug/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-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/cxx11_static_assert.o
...updated 1 target...
...found 9 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/nowide/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/cxx11_moveable_fstreams.o
...updated 7 targets...
...found 4 targets...
...updating 2 targets...
gcc.compile.c++ bin.v2/libs/nowide/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/check_lfs_support.o
libs/nowide/src/../test/check_lfs_support.cpp:8: warning: "_LARGEFILE_SOURCE" redefined
 #define _LARGEFILE_SOURCE
 
<command-line>: note: this is the location of the previous definition
gcc.link bin.v2/libs/nowide/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/lfs_support
/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nios2-buildroot-linux-gnu/8.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: FDE encoding in bin.v2/libs/nowide/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/check_lfs_support.o(.eh_frame) prevents .eh_frame_hdr table being created
/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nios2-buildroot-linux-gnu/8.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: FDE encoding in bin.v2/libs/nowide/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/check_lfs_support.o(.eh_frame) prevents .eh_frame_hdr table being created
...updated 2 targets...
...found 28 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/regex/build/gcc-8.3.0/debug/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/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_HAS_ICU=1  -I"."  -c -o "bin.v2/libs/regex/build/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_icu_test.o...
...skipped <pbin.v2/libs/regex/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_icu for lack of <pbin.v2/libs/regex/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_icu_test.o...
...failed updating 1 target...
...skipped 1 target...
...updated 6 targets...
...found 12 targets...
...updating 9 targets...
gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_backtrace.o
libs/stacktrace/build/has_backtrace.cpp:7:10: fatal error: backtrace.h: No such file or directory
 #include <backtrace.h>
          ^~~~~~~~~~~~~
compilation terminated.

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_backtrace.o" "libs/stacktrace/build/has_backtrace.cpp"

...failed gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_backtrace.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>libbacktrace_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_backtrace.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>libbacktrace.output for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_addr2line.o
gcc.link bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line_exe
/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nios2-buildroot-linux-gnu/8.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: FDE encoding in bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_addr2line.o(.eh_frame) prevents .eh_frame_hdr table being created
/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nios2-buildroot-linux-gnu/8.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: FDE encoding in bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_addr2line.o(.eh_frame) prevents .eh_frame_hdr table being created
/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/nios2-buildroot-linux-gnu/8.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: FDE encoding in bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_addr2line.o(.eh_frame) prevents .eh_frame_hdr table being created
Jamfile</home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.74.0/libs/stacktrace/build>.mp_simple_run_action bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line.output
/bin/sh: 2: bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line_exe: Exec format error

      bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line_exe > bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line.output

...failed Jamfile</home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.74.0/libs/stacktrace/build>.mp_simple_run_action bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/addr2line.output...
...removing bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_windbg.o
libs/stacktrace/build/has_windbg.cpp:8:10: fatal error: windows.h: No such file or directory
 #include <windows.h>
          ^~~~~~~~~~~
compilation terminated.

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_windbg.o" "libs/stacktrace/build/has_windbg.cpp"

...failed gcc.compile.c++ bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden/has_windbg.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>WinDbg_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_windbg.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>WinDbg.output for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/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-8.3.0/debug/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
 #include <windows.h>
          ^~~~~~~~~~~
compilation terminated.

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/stacktrace/build/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_windbg_cached.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>WinDbgCached_exe for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_windbg_cached.o...
...skipped <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>WinDbgCached.output for lack of <pbin.v2/libs/stacktrace/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>WinDbgCached_exe...
...failed updating 1 target...
...skipped 2 targets...
...patience...
...found 187 targets...
...updating 8 targets...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-8.3.0/debug/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
 #define BOOST_ATOMIC_INT32_LOCK_FREE 0
                                      ^
./boost/static_assert.hpp:70:55: note: in definition of macro 'BOOST_STATIC_ASSERT'
 #     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'
 #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'
   BOOST_STATIC_ASSERT(BOOST_ATOMIC_FLAG_LOCK_FREE);
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/nios2-linux-g++"   -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  -D_FORTIFY_SOURCE=2 -I/home/giuliobenetti/autobuild/run/instance-2/output-1/host/nios2-buildroot-linux-gnu/sysroot/usr/include/python3.9 -fPIC -pthread -Os -fno-inline -Wall -g -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1  -I"."  -c -o "bin.v2/libs/thread/build/gcc-8.3.0/debug/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-8.3.0/debug/threading-multi/visibility-hidden/has_atomic_flag_lockfree_test.o...
...skipped <pbin.v2/libs/thread/build/gcc-8.3.0/debug/threading-multi/visibility-hidden>has_atomic_flag_lockfree for lack of <pbin.v2/libs/thread/build/gcc-8.3.0/debug/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...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...