diff options
Diffstat (limited to 'm4/printf-posix.m4')
-rw-r--r-- | m4/printf-posix.m4 | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/m4/printf-posix.m4 b/m4/printf-posix.m4 new file mode 100644 index 00000000..186ba6a6 --- /dev/null +++ b/m4/printf-posix.m4 | |||
@@ -0,0 +1,46 @@ | |||
1 | # printf-posix.m4 serial 2 (gettext-0.13.1) | ||
2 | dnl Copyright (C) 2003 Free Software Foundation, Inc. | ||
3 | dnl This file is free software, distributed under the terms of the GNU | ||
4 | dnl General Public License. As a special exception to the GNU General | ||
5 | dnl Public License, this file may be distributed as part of a program | ||
6 | dnl that contains a configuration script generated by Autoconf, under | ||
7 | dnl the same distribution terms as the rest of that program. | ||
8 | |||
9 | dnl From Bruno Haible. | ||
10 | dnl Test whether the printf() function supports POSIX/XSI format strings with | ||
11 | dnl positions. | ||
12 | |||
13 | AC_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). */ | ||
24 | static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' }; | ||
25 | static char buf[100]; | ||
26 | int 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 | ]) | ||