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-rw-r--r--gl/m4/stdint_h.m426
1 files changed, 26 insertions, 0 deletions
diff --git a/gl/m4/stdint_h.m4 b/gl/m4/stdint_h.m4
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1# stdint_h.m4 serial 6
2dnl Copyright (C) 1997-2004, 2006 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_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
10# doesn't clash with <sys/types.h>, and declares uintmax_t.
11
12AC_DEFUN([gl_AC_HEADER_STDINT_H],
13[
14 AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
15 [AC_TRY_COMPILE(
16 [#include <sys/types.h>
17#include <stdint.h>],
18 [uintmax_t i = (uintmax_t) -1; return !i;],
19 gl_cv_header_stdint_h=yes,
20 gl_cv_header_stdint_h=no)])
21 if test $gl_cv_header_stdint_h = yes; then
22 AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
23 [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
24 and declares uintmax_t. ])
25 fi
26])