dnl dnl Id dnl dnl dnl Test for __attribute__ dnl AC_DEFUN([AC_C___ATTRIBUTE__], [ AC_MSG_CHECKING(for __attribute__) AC_CACHE_VAL(ac_cv___attribute__, [ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h> static void foo(void) __attribute__ ((noreturn)); static void foo(void) { exit(1); } ]])], [ac_cv___attribute__=yes], [ac_cv___attribute__=no])]) if test "$ac_cv___attribute__" = "yes"; then AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__]) fi AC_MSG_RESULT($ac_cv___attribute__) ]) |