...found 9 targets...
...updating 4 targets...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -fno-inline -Wall -g     -c -o "libs/config/checks/architecture/bin/gcc-8.3.0/debug/32.o" "libs/config/checks/architecture/32.cpp"

...failed gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/32.o...
...failed updating 1 target...
...updated 3 targets...
...found 2 targets...
...updating 1 target...
gcc.compile.c++ libs/config/checks/architecture/bin/gcc-8.3.0/debug/64.o
...updated 1 target...
...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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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/sparc.o
libs/config/checks/architecture/sparc.cpp:10:2: error: #error "Not SPARC"
 #error "Not SPARC"
  ^~~~~

    "/home/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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/mark/buildroot-test/instance-1/output/host/bin/riscv64-buildroot-linux-musl-g++"   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os   -fPIC -O0 -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 1 target...
...updating 1 target...
config-cache.write bin.v2/project-cache.jam
...updated 1 target...