AC_DEFUN([STATIC_ASSERT_CHECK],[ AC_CACHE_CHECK([whether static_assert is supported], dune_cv_static_assert_support, [ AC_REQUIRE([AC_PROG_CXX]) AC_REQUIRE([GXX0X]) AC_LANG_PUSH([C++]) AC_TRY_COMPILE([],[static_assert(true,"MSG")], dune_cv_static_assert_support=yes, dune_cv_static_assert_support=no) AC_LANG_POP ]) if test "x$dune_cv_static_assert_support" = xyes; then AC_DEFINE(HAVE_STATIC_ASSERT, 1, [Define to 1 if static_assert is supported]) fi ])