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comparison m4/inttypes_h.m4 @ 272:d5392bb5da3c 2.5

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author lost
date Sun, 16 Aug 2009 17:16:49 +0000
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1 # inttypes_h.m4 serial 8
2 dnl Copyright (C) 1997-2004, 2006, 2008 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
11
12 AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
13 [
14 AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
15 [AC_TRY_COMPILE(
16 [#include <sys/types.h>
17 #include <inttypes.h>],
18 [uintmax_t i = (uintmax_t) -1; return !i;],
19 [gl_cv_header_inttypes_h=yes],
20 [gl_cv_header_inttypes_h=no])])
21 if test $gl_cv_header_inttypes_h = yes; then
22 AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], 1,
23 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
24 and declares uintmax_t. ])
25 fi
26 ])