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32 lines
567 B
Plaintext
32 lines
567 B
Plaintext
dnl
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dnl $Id: c-attribute.m4,v 1.2.34.1 2004/04/01 07:27:32 joda Exp $
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dnl
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dnl
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dnl Test for __attribute__
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dnl
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AC_DEFUN([AC_C___ATTRIBUTE__], [
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AC_MSG_CHECKING(for __attribute__)
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AC_CACHE_VAL(ac_cv___attribute__, [
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AC_TRY_COMPILE([
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#include <stdlib.h>
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],
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[
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static void foo(void) __attribute__ ((noreturn));
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static void
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foo(void)
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{
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exit(1);
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}
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],
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ac_cv___attribute__=yes,
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ac_cv___attribute__=no)])
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if test "$ac_cv___attribute__" = "yes"; then
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AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
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fi
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AC_MSG_RESULT($ac_cv___attribute__)
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])
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