cmake HAVE_GCC_TLS examples

ucla-vision/xivo thirdparty/glog/CMakeLists.txt :217

check_cxx_source_compiles ("
__thread int tls;
int main() { }
" HAVE_GCC_TLS)

ucla-vision/xivo thirdparty/glog/CMakeLists.txt :258

endif (HAVE_GCC_TLS)

chatopera/clause thirdparty/glog/CMakeLists.txt :194

check_cxx_source_compiles ("
__thread int tls;
int main() { }
" HAVE_GCC_TLS)

chatopera/clause thirdparty/glog/CMakeLists.txt :223

endif (HAVE_GCC_TLS)