cmake HAVE_CXX11_NULLPTR_T examples

ucla-vision/xivo thirdparty/glog/CMakeLists.txt :244

check_cxx_source_compiles ("
#include <cstddef>
void foo(std::nullptr_t) {}
int main(void) { foo(nullptr); }
" HAVE_CXX11_NULLPTR_T)

ucla-vision/xivo thirdparty/glog/CMakeLists.txt :393

else (HAVE_CXX11_NULLPTR_T)

ucla-vision/xivo thirdparty/glog/CMakeLists.txt :395

endif (HAVE_CXX11_NULLPTR_T)