view m4/stdint_h.m4 @ 7185:90f5608d1c64

* stdint_h.m4 (gl_AC_HEADER_STDINT_H): Avoid compiler warning. * inttypes_h.m4 (gl_AC_HEADER_INTTYPES_H): Likewise. * longlong.m4 (AC_TYPE_LONG_LONG_INT): Likewise. * intmax_t.m4 (gt_AC_TYPE_INTMAX_T): Likewise.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 22 Aug 2006 21:16:36 +0000
parents adff74659d81
children 03e819eea554
line wrap: on
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# stdint_h.m4 serial 6
dnl Copyright (C) 1997-2004, 2006 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 Paul Eggert.

# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.

AC_DEFUN([gl_AC_HEADER_STDINT_H],
[
  AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
#include <stdint.h>],
    [uintmax_t i = (uintmax_t) -1; return !i;],
    gl_cv_header_stdint_h=yes,
    gl_cv_header_stdint_h=no)])
  if test $gl_cv_header_stdint_h = yes; then
    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])