CHECK_CXX_SOURCE_COMPILES(
  "
  _Pragma(\"GCC diagnostic push\")
  _Pragma(\"GCC diagnostic ignored \\\\\\\"-Wunknown-pragmas\\\\\\\"\")
  _Pragma(\"GCC diagnostic ignored \\\\\\\"-Wpragmas\\\\\\\"\")
  _Pragma(\"GCC diagnostic ignored \\\\\\\"-Wextra\\\\\\\"\")
  _Pragma(\"GCC diagnostic pop\")
  int main() {}
  "
  IBTK_HAVE_PRAGMA_KEYWORD)