1# inttypes_h.m4 serial 9
2dnl Copyright (C) 1997-2004, 2006, 2008-2010 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_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])
27