Performing C++ SOURCE FILE Test OGRE_GCC_HAS_SSE failed with the following output:
Change Dir: /data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_1fcf7/fast && make[1]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_1fcf7.dir/build.make CMakeFiles/cmTC_1fcf7.dir/build
make[2]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_1fcf7.dir/src.cxx.o
/data/buildroot/buildroot-test/instance-0/output/host/bin/aarch64-linux-gnu-g++ --sysroot=/data/buildroot/buildroot-test/instance-0/output/host/aarch64-buildroot-linux-gnu/sysroot    -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DOGRE_GCC_HAS_SSE  -DNDEBUG   -msse -o CMakeFiles/cmTC_1fcf7.dir/src.cxx.o -c /data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp/src.cxx
aarch64-linux-gnu-g++: error: unrecognized command line option '-msse'; did you mean '-fdse'?
make[2]: *** [CMakeFiles/cmTC_1fcf7.dir/build.make:66: CMakeFiles/cmTC_1fcf7.dir/src.cxx.o] Error 1
make[2]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_1fcf7/fast] Error 2
make[1]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'


Source file was:
int main() { return 0; }
Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_86fd0/fast && make[1]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_86fd0.dir/build.make CMakeFiles/cmTC_86fd0.dir/build
make[2]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_86fd0.dir/src.c.o
/data/buildroot/buildroot-test/instance-0/output/host/bin/aarch64-linux-gnu-gcc --sysroot=/data/buildroot/buildroot-test/instance-0/output/host/aarch64-buildroot-linux-gnu/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG   -o CMakeFiles/cmTC_86fd0.dir/src.c.o   -c /data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_86fd0
/data/buildroot/buildroot-test/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_86fd0.dir/link.txt --verbose=1
/data/buildroot/buildroot-test/instance-0/output/host/bin/aarch64-linux-gnu-gcc --sysroot=/data/buildroot/buildroot-test/instance-0/output/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCMAKE_HAVE_LIBC_PTHREAD  -DNDEBUG    CMakeFiles/cmTC_86fd0.dir/src.c.o  -o cmTC_86fd0 
CMakeFiles/cmTC_86fd0.dir/src.c.o: In function `main':
src.c:(.text.startup+0x1c): undefined reference to `pthread_create'
src.c:(.text.startup+0x24): undefined reference to `pthread_detach'
src.c:(.text.startup+0x30): undefined reference to `pthread_join'
src.c:(.text.startup+0x40): undefined reference to `pthread_atfork'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_86fd0.dir/build.make:87: cmTC_86fd0] Error 1
make[2]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_86fd0/fast] Error 2
make[1]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'


Source file was:
#include <pthread.h>

void* test_func(void* data)
{
  return data;
}

int main(void)
{
  pthread_t thread;
  pthread_create(&thread, NULL, test_func, NULL);
  pthread_detach(thread);
  pthread_join(thread, NULL);
  pthread_atfork(NULL, NULL, NULL);
  pthread_exit(NULL);

  return 0;
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_914dc/fast && make[1]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_914dc.dir/build.make CMakeFiles/cmTC_914dc.dir/build
make[2]: Entering directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_914dc.dir/CheckFunctionExists.c.o
/data/buildroot/buildroot-test/instance-0/output/host/bin/aarch64-linux-gnu-gcc --sysroot=/data/buildroot/buildroot-test/instance-0/output/host/aarch64-buildroot-linux-gnu/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG   -o CMakeFiles/cmTC_914dc.dir/CheckFunctionExists.c.o   -c /data/buildroot/buildroot-test/instance-0/output/host/share/cmake-3.15/Modules/CheckFunctionExists.c
Linking C executable cmTC_914dc
/data/buildroot/buildroot-test/instance-0/output/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_914dc.dir/link.txt --verbose=1
/data/buildroot/buildroot-test/instance-0/output/host/bin/aarch64-linux-gnu-gcc --sysroot=/data/buildroot/buildroot-test/instance-0/output/host/aarch64-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCHECK_FUNCTION_EXISTS=pthread_create  -DNDEBUG    CMakeFiles/cmTC_914dc.dir/CheckFunctionExists.c.o  -o cmTC_914dc -lpthreads 
/data/buildroot/buildroot-test/instance-0/output/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-linux-gnu/7.3.1/../../../../aarch64-linux-gnu/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/cmTC_914dc.dir/build.make:87: cmTC_914dc] Error 1
make[2]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'
make[1]: *** [Makefile:121: cmTC_914dc/fast] Error 2
make[1]: Leaving directory '/data/buildroot/buildroot-test/instance-0/output/build/ogre-1.12.0/CMakeFiles/CMakeTmp'