cmake HAVE_BUILTIN_BSWAP64 examples

joedrago/colorist ext/libwebp/cmake/deps.cmake :17 

check_c_source_compiles("
    int main(void) {
      (void)__builtin_bswap64(0);
      return 0;
    }
  " HAVE_BUILTIN_BSWAP64)

Ravbug/UnityHubNative wxWidgets/3rdparty/libwebp/cmake/deps.cmake :29 

check_c_source_compiles(
  "
    int main(void) {
      (void)__builtin_bswap64(0);
      return 0;
    }
  "
  HAVE_BUILTIN_BSWAP64)

FilmKilns/FilmKilns src/skia/third_party/externals/libwebp/cmake/deps.cmake :17 

check_c_source_compiles("
    int main(void) {
      (void)__builtin_bswap64(0);
      return 0;
    }
  " HAVE_BUILTIN_BSWAP64)