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source: kBuild/vendor/grep/2.12/m4/inttypes_h.m4

Last change on this file was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

File size: 1020 bytes
Line 
1# inttypes_h.m4 serial 10
2dnl Copyright (C) 1997-2004, 2006, 2008-2012 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl 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
12AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
13[
14 AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
15 [AC_COMPILE_IFELSE(
16 [AC_LANG_PROGRAM(
17 [[
18#include <sys/types.h>
19#include <inttypes.h>
20 ]],
21 [[uintmax_t i = (uintmax_t) -1; return !i;]])],
22 [gl_cv_header_inttypes_h=yes],
23 [gl_cv_header_inttypes_h=no])])
24 if test $gl_cv_header_inttypes_h = yes; then
25 AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
26 [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
27 and declares uintmax_t. ])
28 fi
29])
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