Performing C++ SOURCE FILE Test ARM_THUMB2_DETECTED failed with the following output: Change Dir: /home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_fb2bf/fast && make[1]: Entering directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fb2bf.dir/build.make CMakeFiles/cmTC_fb2bf.dir/build make[2]: Entering directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_fb2bf.dir/src.cxx.o /home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/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_fb2bf.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp/src.cxx /home/buildroot/autobuild/run/instance-3/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" | ^~~~~ CMakeFiles/cmTC_fb2bf.dir/build.make:68: recipe for target 'CMakeFiles/cmTC_fb2bf.dir/src.cxx.o' failed make[2]: *** [CMakeFiles/cmTC_fb2bf.dir/src.cxx.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' Makefile:124: recipe for target 'cmTC_fb2bf/fast' failed make[1]: *** [cmTC_fb2bf/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/run/instance-3/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: /home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_5f662/fast && make[1]: Entering directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_5f662.dir/build.make CMakeFiles/cmTC_5f662.dir/build make[2]: Entering directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_5f662.dir/src.cxx.o /home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/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 -Wno-expansion-to-defined -DATOMIC_INT64_IS_BUILTIN -DNDEBUG -o CMakeFiles/cmTC_5f662.dir/src.cxx.o -c /home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp/src.cxx Linking CXX executable cmTC_5f662 /home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_5f662.dir/link.txt --verbose=1 /home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/host/bin/arm-buildroot-linux-uclibcgnueabi-g++ --sysroot=/home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/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 -Wno-expansion-to-defined -DATOMIC_INT64_IS_BUILTIN -DNDEBUG CMakeFiles/cmTC_5f662.dir/src.cxx.o -o cmTC_5f662 /home/buildroot/autobuild/run/instance-3/output-1/per-package/qt5webkit/host/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/10.4.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: CMakeFiles/cmTC_5f662.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 CMakeFiles/cmTC_5f662.dir/build.make:89: recipe for target 'cmTC_5f662' failed make[2]: *** [cmTC_5f662] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' Makefile:124: recipe for target 'cmTC_5f662/fast' failed make[1]: *** [cmTC_5f662/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/run/instance-3/output-1/build/qt5webkit-5.212.0-alpha4/CMakeFiles/CMakeTmp' Source file was: #include int main() { std::atomic i(0); i++; return 0; }