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source: kBuild/vendor/gnumake/3.82/config/printf-posix.m4@ 2581

最後變更 在這個檔案從2581是 2579,由 bird 提交於 13 年 前

Importing make-3.82.tar.bz2 (md5sum 1a11100f3c63fcf5753818e59d63088f) with --auto-props but no keywords.

檔案大小: 1.6 KB
 
1# printf-posix.m4 serial 2 (gettext-0.13.1)
2dnl Copyright (C) 2003 Free Software Foundation, Inc.
3dnl This file is free software, distributed under the terms of the GNU
4dnl General Public License. As a special exception to the GNU General
5dnl Public License, this file may be distributed as part of a program
6dnl that contains a configuration script generated by Autoconf, under
7dnl the same distribution terms as the rest of that program.
8
9dnl From Bruno Haible.
10dnl Test whether the printf() function supports POSIX/XSI format strings with
11dnl positions.
12
13AC_DEFUN([gt_PRINTF_POSIX],
14[
15 AC_REQUIRE([AC_PROG_CC])
16 AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings],
17 gt_cv_func_printf_posix,
18 [
19 AC_TRY_RUN([
20#include <stdio.h>
21#include <string.h>
22/* The string "%2$d %1$d", with dollar characters protected from the shell's
23 dollar expansion (possibly an autoconf bug). */
24static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
25static char buf[100];
26int main ()
27{
28 sprintf (buf, format, 33, 55);
29 return (strcmp (buf, "55 33") != 0);
30}], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no,
31 [
32 AC_EGREP_CPP(notposix, [
33#if defined __NetBSD__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
34 notposix
35#endif
36 ], gt_cv_func_printf_posix="guessing no",
37 gt_cv_func_printf_posix="guessing yes")
38 ])
39 ])
40 case $gt_cv_func_printf_posix in
41 *yes)
42 AC_DEFINE(HAVE_POSIX_PRINTF, 1,
43 [Define if your printf() function supports format strings with positions.])
44 ;;
45 esac
46])
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