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

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

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

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

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

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

...failed gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/loongarch.o...
...failed updating 1 target...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/architecture/gcc-8.4.0/debug/threading-multi/visibility-hidden/mips.o
...updated 1 target...
...found 107 targets...
...updating 5 targets...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_constexpr.o
...updated 5 targets...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_decltype.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_hdr_tuple.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_template_aliases.o
...updated 1 target...
...found 1 target...
...updating 1 target...
gcc.compile.c++ bin.v2/libs/config/checks/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_variadic_templates.o
...updated 1 target...
...found 8 targets...
...updating 7 targets...
gcc.compile.c++ bin.v2/libs/json/build/gcc-8.4.0/release/threading-multi/visibility-hidden/cxx11_basic_alignas.o
...updated 7 targets...
...found 1 target...
...updating 1 target...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...