>>> boost 1.75.0 Extracting
bzcat /home/giuliobenetti/autobuild/run/instance-2/dl/boost/boost_1_75_0.tar.bz2 | tar --strip-components=1 -C /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0   -xf -
>>> boost 1.75.0 Patching

Applying 0001-fenv.patch using patch: 
patching file boost/config/platform/linux.hpp
>>> boost 1.75.0 Configuring
(cd /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0 && ./bootstrap.sh --with-toolset=gcc --without-icu  --without-libraries=container,context,contract,coroutine,exception,fiber,graph,graph_parallel,iostreams,json,locale,math,mpi,nowide,program_options,python,serialization,stacktrace,test,timer,type_erasure,wave)
Building B2 engine..

###
###
### Using 'gcc' toolset.
###
###

> g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


###
###

> g++ -x c++ -std=c++11 -O2 -s -DNDEBUG builtins.cpp class.cpp command.cpp compile.cpp constants.cpp cwd.cpp debug.cpp debugger.cpp execcmd.cpp filesys.cpp frames.cpp function.cpp glob.cpp hash.cpp hcache.cpp hdrmacro.cpp headers.cpp jam.cpp jamgram.cpp lists.cpp make.cpp make1.cpp md5.cpp mem.cpp modules.cpp native.cpp object.cpp option.cpp output.cpp parse.cpp pathsys.cpp regexp.cpp rules.cpp scan.cpp search.cpp jam_strings.cpp startup.cpp subst.cpp sysinfo.cpp timestamp.cpp variable.cpp w32_getreg.cpp modules/order.cpp modules/path.cpp modules/property-set.cpp modules/regex.cpp modules/sequence.cpp modules/set.cpp execunix.cpp fileunix.cpp pathunix.cpp -o b2
debugger.cpp: In function 'LIST* debug_list_read(FILE*)':
debugger.cpp:165:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  165 |     fscanf( in, "%d", &len );
      |     ~~~~~~^~~~~~~~~~~~~~~~~~
execcmd.cpp: In function 'void argv_from_shell(const char**, LIST*, const char*, int)':
execcmd.cpp:55:22: warning: '%d' directive writing between 1 and 11 bytes into a region of size 4 [-Wformat-overflow=]
   55 |     sprintf( jobno, "%d", slot + 1 );
      |                      ^~
execcmd.cpp:55:21: note: directive argument in the range [-2147483647, 2147483647]
   55 |     sprintf( jobno, "%d", slot + 1 );
      |                     ^~~~
In file included from /usr/include/stdio.h:867,
                 from jam.h:343,
                 from execcmd.cpp:11:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:36:34: note: '__builtin___sprintf_chk' output between 2 and 12 bytes into a destination of size 4
   36 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   37 |       __bos (__s), __fmt, __va_arg_pack ());
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cp b2 bjam
tools/build/src/engine/b2
Unicode/ICU support for Boost.Regex?... disabled.
Generating B2 configuration in project-config.jam for gcc...

Bootstrapping is done. To build, run:

    ./b2
    
To generate header files, run:

    ./b2 headers

To adjust configuration, edit 'project-config.jam'.
Further information:

   - Command line help:
     ./b2 --help
     
   - Getting started guide: 
     http://www.boost.org/more/getting_started/unix-variants.html
     
   - B2 documentation:
     http://www.boost.org/build/

echo "using gcc : `/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/riscv32-linux-gcc -dumpversion` : /home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/riscv32-linux-g++ : <cxxflags>\"-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os  \" <linkflags>\"\" ;" > /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/user-config.jam
echo "" >> /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/user-config.jam
sed -i "s/: -O.* ;/: -Os ;/" /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/tools/build/src/tools/gcc.jam
>>> boost 1.75.0 Building
(cd /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0 && PATH="/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin:/home/giuliobenetti/autobuild/run/instance-2/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" ./tools/build/src/engine/bjam -j5 -q --user-config=/home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/user-config.jam --no-cmake-config toolset=gcc threading=multi abi=sysv variant=release link=shared runtime-link=shared -d+1 --ignore-site-config --layout=system)
Performing configuration checks

    - default address-model    : 32-bit
    - default architecture     : riscv

Building the Boost C++ Libraries.


    - has stat::st_mtim        : yes
    - has stat::st_mtimensec   : no
    - has stat::st_mtimespec   : no
    - has stat::st_birthtim    : no
    - has stat::st_birthtimensec : no
    - has stat::st_birthtimespec : no
    - has statx                : yes
    - has statx syscall        : no
    - native atomic int32 supported : yes
    - native syslog supported  : yes
    - pthread supports robust mutexes : yes
    - has_icu builds           : no
    - lockfree boost::atomic_flag : yes

Component configuration:

    - atomic                   : building
    - chrono                   : building
    - container                : not building
    - context                  : not building
    - contract                 : not building
    - coroutine                : not building
    - date_time                : building
    - exception                : not building
    - fiber                    : not building
    - filesystem               : building
    - graph                    : not building
    - graph_parallel           : not building
    - headers                  : building
    - iostreams                : not building
    - json                     : not building
    - locale                   : not building
    - log                      : building
    - math                     : not building
    - mpi                      : not building
    - nowide                   : not building
    - program_options          : not building
    - python                   : not building
    - random                   : building
    - regex                    : building
    - serialization            : not building
    - stacktrace               : not building
    - system                   : building
    - test                     : not building
    - thread                   : building
    - timer                    : not building
    - type_erasure             : not building
    - wave                     : not building

...patience...
...patience...
...patience...
...found 6399 targets...
...updating 164 targets...
gcc.compile.c++ bin.v2/libs/date_time/build/gcc-10.2.0/release/threading-multi/visibility-hidden/gregorian/greg_month.o
gcc.link.dll bin.v2/libs/date_time/build/gcc-10.2.0/release/threading-multi/visibility-hidden/libboost_date_time.so.1.75.0
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_date_time.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_date_time.so
gcc.compile.c++ bin.v2/libs/atomic/build/gcc-10.2.0/release/threading-multi/visibility-hidden/lock_pool.o
gcc.link.dll bin.v2/libs/atomic/build/gcc-10.2.0/release/threading-multi/visibility-hidden/libboost_atomic.so.1.75.0
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_atomic.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_atomic.so
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/c_regex_traits.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/codecvt_error_category.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/exception.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/directory.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/path_traits.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/operations.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/windows_file_codecvt.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/utf8_codecvt_facet.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/path.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/portability.o
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/unique_path.o
gcc.link.dll bin.v2/libs/filesystem/build/gcc-10.2.0/release/threading-multi/visibility-hidden/libboost_filesystem.so.1.75.0
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_filesystem.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_filesystem.so
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-10.2.0/release/threading-multi/visibility-hidden/chrono.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/cpp_regex_traits.o
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-10.2.0/release/threading-multi/visibility-hidden/thread_clock.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/icu.o
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-10.2.0/release/threading-multi/visibility-hidden/process_cpu_clocks.o
gcc.link.dll bin.v2/libs/chrono/build/gcc-10.2.0/release/threading-multi/visibility-hidden/libboost_chrono.so.1.75.0
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_chrono.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_chrono.so
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/fileiter.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/regex_debug.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/regex_raw_buffer.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/regex.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/static_mutex.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/w32_regex_traits.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/regex_traits_defaults.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/wc_regex_traits.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/posix_api.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/usinstances.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/cregex.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/instances.o
gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/pthread/once.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/wide_posix_api.o
gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/future.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/attribute_set.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/attribute_name.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/attribute_value_set.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/code_conversion.o
gcc.compile.c++ bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/winstances.o
gcc.link.dll bin.v2/libs/regex/build/gcc-10.2.0/release/threading-multi/visibility-hidden/libboost_regex.so.1.75.0
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_regex.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_regex.so
gcc.compile.c++ bin.v2/libs/thread/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/pthread/thread.o
gcc.link.dll bin.v2/libs/thread/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/libboost_thread.so.1.75.0
...on 100th target...
common.copy /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_thread.so.1.75.0
ln-UNIX /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/stage/lib/libboost_thread.so
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/severity_level.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/named_scope.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/global_logger_storage.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/record_ostream.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/process_id.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/core.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/thread_id.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/timer.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/default_attribute_names.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/process_name.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/text_ostream_backend.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/exceptions.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/once_block.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/thread_specific.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/timestamp.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/text_multifile_backend.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/default_sink.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/threadsafe_queue.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/event.o
libs/log/src/event.cpp: In member function 'void boost::log::v2_mt_posix::aux::futex_based_event::wait()':
libs/log/src/event.cpp:38:29: error: '__NR_futex' was not declared in this scope
   38 | #define BOOST_LOG_SYS_FUTEX __NR_futex
      |                             ^~~~~~~~~~
libs/log/src/event.cpp:98:27: note: in expansion of macro 'BOOST_LOG_SYS_FUTEX'
   98 |             if (::syscall(BOOST_LOG_SYS_FUTEX, &m_state.value(), BOOST_LOG_FUTEX_WAIT, 0, NULL, NULL, 0) == 0)
      |                           ^~~~~~~~~~~~~~~~~~~
In file included from ./boost/config.hpp:39,
                 from ./boost/log/detail/config.hpp:34,
                 from libs/log/src/event.cpp:16:
libs/log/src/event.cpp: In member function 'void boost::log::v2_mt_posix::aux::futex_based_event::set_signalled()':
libs/log/src/event.cpp:38:29: error: '__NR_futex' was not declared in this scope
   38 | #define BOOST_LOG_SYS_FUTEX __NR_futex
      |                             ^~~~~~~~~~
./boost/config/compiler/gcc.hpp:96:44: note: in definition of macro 'BOOST_UNLIKELY'
   96 | #define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
      |                                            ^
libs/log/src/event.cpp:125:38: note: in expansion of macro 'BOOST_LOG_SYS_FUTEX'
  125 |         if (BOOST_UNLIKELY(::syscall(BOOST_LOG_SYS_FUTEX, &m_state.value(), BOOST_LOG_FUTEX_WAKE, 1, NULL, NULL, 0) < 0))
      |                                      ^~~~~~~~~~~~~~~~~~~

    "/home/giuliobenetti/autobuild/run/instance-2/output-1/host/bin/riscv32-linux-g++"  -ftemplate-depth-1024 -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -pthread -Os -finline-functions -Wno-inline -Wall -fvisibility=hidden -fno-strict-aliasing -DBOOST_ALL_NO_LIB=1 -DBOOST_ATOMIC_DYN_LINK=1 -DBOOST_CHRONO_DYN_LINK=1 -DBOOST_FILESYSTEM_DYN_LINK=1 -DBOOST_LOG_BUILDING_THE_LIB=1 -DBOOST_LOG_DLL -DBOOST_LOG_HAS_PTHREAD_MUTEX_ROBUST -DBOOST_LOG_USE_NATIVE_SYSLOG -DBOOST_LOG_WITHOUT_DEBUG_OUTPUT -DBOOST_LOG_WITHOUT_EVENT_LOG -DBOOST_SPIRIT_USE_PHOENIX_V3=1 -DBOOST_THREAD_BUILD_DLL=1 -DBOOST_THREAD_DONT_USE_CHRONO=1 -DBOOST_THREAD_POSIX -DBOOST_THREAD_USE_DLL=1 -DNDEBUG -D_XOPEN_SOURCE=600 -D__STDC_CONSTANT_MACROS  -I"." -I"libs/log/src"  -c -o "bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/event.o" "libs/log/src/event.cpp"

...failed gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/event.o...
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/trivial.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/spirit_encoding.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/format_parser.o
gcc.compile.c++ bin.v2/libs/log/build/gcc-10.2.0/release/threadapi-pthread/threading-multi/visibility-hidden/text_file_backend.o
...failed updating 1 target...
...updated 119 targets...
make: *** [package/pkg-generic.mk:250: /home/giuliobenetti/autobuild/run/instance-2/output-1/build/boost-1.75.0/.stamp_built] Error 1
make: Leaving directory '/home/giuliobenetti/autobuild/run/instance-2/buildroot'