Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed. Compiler: /home/autobuild/autobuild/instance-11/output-1/host/bin/clang++ Build flags: Id flags: The output was: 1 /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: warning: library search path "/lib" is unsafe for cross-compilation /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: warning: library search path "/usr/lib" is unsafe for cross-compilation /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: /lib/crt1.o: Relocations in generic ELF (EM: 183) /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: /lib/crt1.o: Relocations in generic ELF (EM: 183) /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: /lib/crt1.o: error adding symbols: file in wrong format clang-9: 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-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_fee99/fast && make[1]: Entering directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fee99.dir/build.make CMakeFiles/cmTC_fee99.dir/build make[2]: Entering directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o /home/autobuild/autobuild/instance-11/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot -O3 -DNDEBUG -v -MD -MT CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -MF CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o.d -o CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -c /usr/share/cmake/Modules/CMakeCXXCompilerABI.cpp clang version 9.0.1 Target: i686-buildroot-linux-uclibc Thread model: posix InstalledDir: /home/autobuild/autobuild/instance-11/output-1/host/bin Found candidate GCC installation: /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0 Selected GCC installation: /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0 Candidate multilib: .;@m32 Selected multilib: .;@m32 "/home/autobuild/autobuild/instance-11/output-1/host/bin/clang-9" -cc1 -triple i686-buildroot-linux-uclibc -emit-obj -disable-free -disable-llvm-verifier -discard-value-names -main-file-name CMakeCXXCompilerABI.cpp -mrelocation-model static -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu pentium4 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -v -coverage-notes-file /home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp/CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.gcno -resource-dir /home/autobuild/autobuild/instance-11/output-1/host/lib/clang/9.0.1 -dependency-file CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o.d -sys-header-deps -MT CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -D NDEBUG -isysroot /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot -internal-isystem /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/local/include -internal-isystem /home/autobuild/autobuild/instance-11/output-1/host/lib/clang/9.0.1/include -internal-externc-isystem /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/include -internal-externc-isystem /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/include -O3 -fdeprecated-macro -fdebug-compilation-dir /home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp -ferror-limit 19 -fmessage-length 0 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -vectorize-loops -vectorize-slp -faddrsig -o CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -x c++ /usr/share/cmake/Modules/CMakeCXXCompilerABI.cpp clang -cc1 version 9.0.1 based upon LLVM 9.0.1 default target i686-buildroot-linux-uclibc ignoring nonexistent directory "/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/local/include" #include "..." search starts here: #include <...> search starts here: /home/autobuild/autobuild/instance-11/output-1/host/lib/clang/9.0.1/include /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/include /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/include End of search list. Linking CXX executable cmTC_fee99 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_fee99.dir/link.txt --verbose=1 /home/autobuild/autobuild/instance-11/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot -O3 -DNDEBUG -v CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -o cmTC_fee99 clang version 9.0.1 Target: i686-buildroot-linux-uclibc Thread model: posix InstalledDir: /home/autobuild/autobuild/instance-11/output-1/host/bin Found candidate GCC installation: /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0 Selected GCC installation: /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0 Candidate multilib: .;@m32 Selected multilib: .;@m32 "/home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld" --sysroot=/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o cmTC_fee99 /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/../lib32/crt1.o /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/../lib32/crti.o /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0/crtbegin.o -L/home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0 -L/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/lib/../lib32 -L/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/../lib32 -L/home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0/../../../../i686-buildroot-linux-uclibc/lib -L/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/lib -L/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib CMakeFiles/cmTC_fee99.dir/CMakeCXXCompilerABI.cpp.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /home/autobuild/autobuild/instance-11/output-1/host/bin/../lib/gcc/i686-buildroot-linux-uclibc/10.3.0/crtend.o /home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/../lib32/crtn.o /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: cannot find -lstdc++ clang-9: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [CMakeFiles/cmTC_fee99.dir/build.make:100: cmTC_fee99] Error 1 make[2]: Leaving directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:127: cmTC_fee99/fast] Error 2 make[1]: Leaving directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' Determining if the CXX compiler works failed with the following output: Change Dir: /home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_13711/fast && make[1]: Entering directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_13711.dir/build.make CMakeFiles/cmTC_13711.dir/build make[2]: Entering directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_13711.dir/testCXXCompiler.cxx.o /home/autobuild/autobuild/instance-11/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot -O3 -DNDEBUG -MD -MT CMakeFiles/cmTC_13711.dir/testCXXCompiler.cxx.o -MF CMakeFiles/cmTC_13711.dir/testCXXCompiler.cxx.o.d -o CMakeFiles/cmTC_13711.dir/testCXXCompiler.cxx.o -c /home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp/testCXXCompiler.cxx Linking CXX executable cmTC_13711 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_13711.dir/link.txt --verbose=1 /home/autobuild/autobuild/instance-11/output-1/host/bin/clang++ --sysroot=/home/autobuild/autobuild/instance-11/output-1/host/i686-buildroot-linux-uclibc/sysroot -O3 -DNDEBUG CMakeFiles/cmTC_13711.dir/testCXXCompiler.cxx.o -o cmTC_13711 /home/autobuild/autobuild/instance-11/output-1/host/bin/i686-buildroot-linux-uclibc-ld: cannot find -lstdc++ clang-9: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [CMakeFiles/cmTC_13711.dir/build.make:100: cmTC_13711] Error 1 make[2]: Leaving directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:127: cmTC_13711/fast] Error 2 make[1]: Leaving directory '/home/autobuild/autobuild/instance-11/output-1/build/libwebsockets-4.3.1/CMakeFiles/CMakeTmp'