Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed. Compiler: /home/autobuild/autobuild/instance-15/output-1/host/bin/clang++ Build flags: Id flags: The output was: 1 clang-11: warning: unknown platform, assuming -mfloat-abi=soft clang-11: warning: unknown platform, assuming -mfloat-abi=soft clang-11: warning: unknown platform, assuming -mfloat-abi=soft /home/autobuild/autobuild/instance-15/output-1/host/bin/armeb-buildroot-linux-uclibcgnueabi-ld: cannot find -lstdc++ clang-11: error: linker command failed with exit code 1 (use -v to see invocation) Detecting CXX compiler ABI info failed to compile with the following output: Change Dir: /home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_fc100/fast && make[1]: Entering directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fc100.dir/build.make CMakeFiles/cmTC_fc100.dir/build make[2]: Entering directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o /home/autobuild/autobuild/instance-15/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -O3 -DNDEBUG -v -MD -MT CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -MF CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o.d -o CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -c /home/autobuild/autobuild/instance-15/output-1/host/share/cmake-3.22/Modules/CMakeCXXCompilerABI.cpp clang version 11.1.0 Target: armeb-buildroot-linux-uclibcgnueabi Thread model: posix InstalledDir: /home/autobuild/autobuild/instance-15/output-1/host/bin Found candidate GCC installation: /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0 Selected GCC installation: /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0 Candidate multilib: .;@m32 Selected multilib: .;@m32 clang-11: warning: unknown platform, assuming -mfloat-abi=soft clang-11: warning: unknown platform, assuming -mfloat-abi=soft (in-process) "/home/autobuild/autobuild/instance-15/output-1/host/bin/clang-11.br_real" -cc1 -triple armebv4t-buildroot-linux-uclibcgnueabi -emit-obj -disable-free -disable-llvm-verifier -discard-value-names -main-file-name CMakeCXXCompilerABI.cpp -mrelocation-model static -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -target-cpu arm7tdmi -target-feature +soft-float -target-feature +soft-float-abi -target-feature -vfp2 -target-feature -vfp2sp -target-feature -vfp3 -target-feature -vfp3d16 -target-feature -vfp3d16sp -target-feature -vfp3sp -target-feature -fp16 -target-feature -vfp4 -target-feature -vfp4d16 -target-feature -vfp4d16sp -target-feature -vfp4sp -target-feature -fp-armv8 -target-feature -fp-armv8d16 -target-feature -fp-armv8d16sp -target-feature -fp-armv8sp -target-feature -fullfp16 -target-feature -fp64 -target-feature -d32 -target-feature -neon -target-feature -crypto -target-feature -dotprod -target-feature -fp16fml -target-feature -mve -target-feature -mve.fp -target-feature -fpregs -target-feature +strict-align -target-abi aapcs -msoft-float -mfloat-abi soft -fallow-half-arguments-and-returns -fno-split-dwarf-inlining -debugger-tuning=gdb -v -resource-dir /home/autobuild/autobuild/instance-15/output-1/host/lib/clang/11.1.0 -dependency-file CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o.d -MT CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -sys-header-deps -D NDEBUG -isysroot /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -internal-isystem /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/local/include -internal-isystem /home/autobuild/autobuild/instance-15/output-1/host/lib/clang/11.1.0/include -internal-externc-isystem /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/include -internal-externc-isystem /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/include -O3 -fdeprecated-macro -fdebug-compilation-dir /home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp -ferror-limit 19 -fno-signed-char -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -vectorize-loops -vectorize-slp -faddrsig -o CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -x c++ /home/autobuild/autobuild/instance-15/output-1/host/share/cmake-3.22/Modules/CMakeCXXCompilerABI.cpp clang -cc1 version 11.1.0 based upon LLVM 11.1.0 default target armeb-buildroot-linux-uclibcgnueabi ignoring nonexistent directory "/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/local/include" ignoring nonexistent directory "/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/include" #include "..." search starts here: #include <...> search starts here: /home/autobuild/autobuild/instance-15/output-1/host/lib/clang/11.1.0/include /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/include End of search list. Linking CXX executable cmTC_fc100 /home/autobuild/autobuild/instance-15/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_fc100.dir/link.txt --verbose=1 /home/autobuild/autobuild/instance-15/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -O3 -DNDEBUG -v CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -o cmTC_fc100 clang version 11.1.0 Target: armeb-buildroot-linux-uclibcgnueabi Thread model: posix InstalledDir: /home/autobuild/autobuild/instance-15/output-1/host/bin Found candidate GCC installation: /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0 Selected GCC installation: /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0 Candidate multilib: .;@m32 Selected multilib: .;@m32 clang-11: warning: unknown platform, assuming -mfloat-abi=soft "/home/autobuild/autobuild/instance-15/output-1/host/bin/armeb-buildroot-linux-uclibcgnueabi-ld" --sysroot=/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -EB --eh-frame-hdr -m armelfb_linux_eabi -dynamic-linker /lib/ld-linux.so.3 -o cmTC_fc100 /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/../lib/crt1.o /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/../lib/crti.o /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0/crtbegin.o -L/home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0 -L/home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0/../../../../armeb-buildroot-linux-uclibcgnueabi/lib/../lib -L/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/lib/../lib -L/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/../lib -L/home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0/../../../../armeb-buildroot-linux-uclibcgnueabi/lib -L/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/lib -L/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/lib CMakeFiles/cmTC_fc100.dir/CMakeCXXCompilerABI.cpp.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /home/autobuild/autobuild/instance-15/output-1/host/bin/../lib/gcc/armeb-buildroot-linux-uclibcgnueabi/10.4.0/crtend.o /home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/../lib/crtn.o /home/autobuild/autobuild/instance-15/output-1/host/bin/armeb-buildroot-linux-uclibcgnueabi-ld: cannot find -lstdc++ clang-11: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [CMakeFiles/cmTC_fc100.dir/build.make:100: cmTC_fc100] Error 1 make[2]: Leaving directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:127: cmTC_fc100/fast] Error 2 make[1]: Leaving directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' Determining if the CXX compiler works failed with the following output: Change Dir: /home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_32026/fast && make[1]: Entering directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_32026.dir/build.make CMakeFiles/cmTC_32026.dir/build make[2]: Entering directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_32026.dir/testCXXCompiler.cxx.o /home/autobuild/autobuild/instance-15/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -O3 -DNDEBUG -MD -MT CMakeFiles/cmTC_32026.dir/testCXXCompiler.cxx.o -MF CMakeFiles/cmTC_32026.dir/testCXXCompiler.cxx.o.d -o CMakeFiles/cmTC_32026.dir/testCXXCompiler.cxx.o -c /home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp/testCXXCompiler.cxx clang-11: warning: unknown platform, assuming -mfloat-abi=soft clang-11: warning: unknown platform, assuming -mfloat-abi=soft Linking CXX executable cmTC_32026 /home/autobuild/autobuild/instance-15/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_32026.dir/link.txt --verbose=1 /home/autobuild/autobuild/instance-15/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-15/output-1/host/armeb-buildroot-linux-uclibcgnueabi/sysroot -O3 -DNDEBUG CMakeFiles/cmTC_32026.dir/testCXXCompiler.cxx.o -o cmTC_32026 clang-11: warning: unknown platform, assuming -mfloat-abi=soft /home/autobuild/autobuild/instance-15/output-1/host/bin/armeb-buildroot-linux-uclibcgnueabi-ld: cannot find -lstdc++ clang-11: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [CMakeFiles/cmTC_32026.dir/build.make:100: cmTC_32026] Error 1 make[2]: Leaving directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:127: cmTC_32026/fast] Error 2 make[1]: Leaving directory '/home/autobuild/autobuild/instance-15/output-1/build/mbw-1.5/CMakeFiles/CMakeTmp'