cmake HWLOC_HAVE_MSVC_CPUIDEX examples

intel/xpumanager third_party/hwloc/contrib/windows-cmake/CMakeLists.txt :63

check_c_source_compiles("int main(void) {int cpuinfo[4]; __cpuidex(cpuinfo,0,0); return 0;}"
HWLOC_HAVE_MSVC_CPUIDEX
)