Performing C++ SOURCE FILE Test ARM_THUMB2_DETECTED failed with the following output:
Change Dir: /tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_0993d/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_0993d.dir/build.make CMakeFiles/cmTC_0993d.dir/build
make[2]: Entering directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_0993d.dir/src.cxx.o
/tmp/instance-1/output-1/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/tmp/instance-1/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fno-exceptions -fno-strict-aliasing -fno-rtti -std=c++11 -DARM_THUMB2_DETECTED  -DNDEBUG   -o CMakeFiles/cmTC_0993d.dir/src.cxx.o -c /tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp/src.cxx
/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp/src.cxx:3:6: error: #error "Thumb2 instruction set isn't available"
    3 |     #error "Thumb2 instruction set isn't available"
      |      ^~~~~
make[2]: *** [CMakeFiles/cmTC_0993d.dir/build.make:66: CMakeFiles/cmTC_0993d.dir/src.cxx.o] Error 1
make[2]: Leaving directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_0993d/fast] Error 2
make[1]: Leaving directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'


Source file was:

    #if !defined(thumb2) && !defined(__thumb2__)
    #error "Thumb2 instruction set isn't available"
    #endif
    int main() {}
   
Performing C++ SOURCE FILE Test ATOMIC_INT64_IS_BUILTIN failed with the following output:
Change Dir: /tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_1bff4/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_1bff4.dir/build.make CMakeFiles/cmTC_1bff4.dir/build
make[2]: Entering directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_1bff4.dir/src.cxx.o
/tmp/instance-1/output-1/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/tmp/instance-1/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot    -fvisibility=hidden -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fno-exceptions -fno-strict-aliasing -fno-rtti -std=c++11 -Wno-expansion-to-defined -DATOMIC_INT64_IS_BUILTIN  -DNDEBUG   -o CMakeFiles/cmTC_1bff4.dir/src.cxx.o -c /tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp/src.cxx
Linking CXX executable cmTC_1bff4
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_1bff4.dir/link.txt --verbose=1
/tmp/instance-1/output-1/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/tmp/instance-1/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot  -fvisibility=hidden -fvisibility-inlines-hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fno-exceptions -fno-strict-aliasing -fno-rtti -std=c++11 -Wno-expansion-to-defined -DATOMIC_INT64_IS_BUILTIN  -DNDEBUG    CMakeFiles/cmTC_1bff4.dir/src.cxx.o  -o cmTC_1bff4 
/tmp/instance-1/output-1/host/lib/gcc/arm-buildroot-linux-uclibcgnueabi/10.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: CMakeFiles/cmTC_1bff4.dir/src.cxx.o: in function `main':
src.cxx:(.text.startup+0x24): undefined reference to `__atomic_fetch_add_8'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_1bff4.dir/build.make:87: cmTC_1bff4] Error 1
make[2]: Leaving directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_1bff4/fast] Error 2
make[1]: Leaving directory '/tmp/instance-1/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp'


Source file was:

        #include <atomic>
        int main() { std::atomic<int64_t> i(0); i++; return 0; }