Performing C SOURCE FILE Test C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW failed with the following output:
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_a2e24/fast"
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_a2e24.dir/build.make CMakeFiles/cmTC_a2e24.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_a2e24.dir/src.c.o
/usr/bin/gcc   -O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include -fPIC -Werror=date-time -DC_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW   -Werror -Werror=unguarded-availability-new -o CMakeFiles/cmTC_a2e24.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp/src.c
cc1: error: -Werror=unguarded-availability-new: no option -Wunguarded-availability-new
CMakeFiles/cmTC_a2e24.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_a2e24.dir/src.c.o' failed
make[2]: *** [CMakeFiles/cmTC_a2e24.dir/src.c.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_a2e24/fast' failed
make[1]: *** [cmTC_a2e24/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:
int main(void) { return 0; }
Performing C++ SOURCE FILE Test CXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW failed with the following output:
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_5feec/fast"
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_5feec.dir/build.make CMakeFiles/cmTC_5feec.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_5feec.dir/src.cxx.o
/usr/bin/g++    -O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -DCXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW   -Werror -Werror=unguarded-availability-new -o CMakeFiles/cmTC_5feec.dir/src.cxx.o -c /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp/src.cxx
cc1plus: error: -Werror=unguarded-availability-new: no option -Wunguarded-availability-new
CMakeFiles/cmTC_5feec.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_5feec.dir/src.cxx.o' failed
make[2]: *** [CMakeFiles/cmTC_5feec.dir/src.cxx.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_5feec/fast' failed
make[1]: *** [cmTC_5feec/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'

Source file was:
int main() { return 0; }
Determining if the os_signpost_interval_begin exist failed with the following output:
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_9f4bd/fast"
make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_9f4bd.dir/build.make CMakeFiles/cmTC_9f4bd.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_9f4bd.dir/CheckSymbolExists.c.o
/usr/bin/gcc   -O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include -fPIC -Werror=date-time -w -ffunction-sections -fdata-sections    -o CMakeFiles/cmTC_9f4bd.dir/CheckSymbolExists.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:2:25: fatal error: os/signpost.h: No such file or directory
 #include <os/signpost.h>
                         ^
compilation terminated.
CMakeFiles/cmTC_9f4bd.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_9f4bd.dir/CheckSymbolExists.c.o' failed
make[2]: *** [CMakeFiles/cmTC_9f4bd.dir/CheckSymbolExists.c.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_9f4bd/fast' failed
make[1]: *** [cmTC_9f4bd/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp'

File /home/buildroot/autobuild/instance-2/output-1/build/host-lld-8.0.0/buildroot-build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <os/signpost.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef os_signpost_interval_begin
  return ((int*)(&os_signpost_interval_begin))[argc];
#else
  (void)argc;
  return 0;
#endif
}