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authorNils Durner <durner@gnunet.org>2009-05-29 19:20:23 +0000
committerNils Durner <durner@gnunet.org>2009-05-29 19:20:23 +0000
commit179946965cc0f171e4af1bd053b42ec36314c86e (patch)
treedf49518ea91d8a644ecbd0e6a48c26c1e7fe93b3 /m4/intmax.m4
parentc137702c332798fb68622739f61ae06bbf6286df (diff)
cp
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+# intmax.m4 serial 3 (gettext-0.16)
+dnl Copyright (C) 2002-2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+dnl Test whether the system has the 'intmax_t' type, but don't attempt to
+dnl find a replacement if it is lacking.
+
+AC_DEFUN([gt_TYPE_INTMAX_T],
+[
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
+ [AC_TRY_COMPILE([
+#include <stddef.h>
+#include <stdlib.h>
+#if HAVE_STDINT_H_WITH_UINTMAX
+#include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H_WITH_UINTMAX
+#include <inttypes.h>
+#endif
+], [intmax_t x = -1;
+ return !x;],
+ gt_cv_c_intmax_t=yes,
+ gt_cv_c_intmax_t=no)])
+ if test $gt_cv_c_intmax_t = yes; then
+ AC_DEFINE(HAVE_INTMAX_T, 1,
+ [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
+ fi
+])