6 dnl Test for __attribute__
9 AC_DEFUN([AC_C___ATTRIBUTE__], [
10 AC_MSG_CHECKING(for __attribute__)
11 AC_CACHE_VAL(ac_cv___attribute__, [
12 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
13 static void foo(void) __attribute__ ((noreturn));
21 [ac_cv___attribute__=yes],
22 [ac_cv___attribute__=no])])
23 if test "$ac_cv___attribute__" = "yes"; then
24 AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
26 AC_MSG_RESULT($ac_cv___attribute__)