123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- # printf-posix.m4 serial 5 (gettext-0.18)
- dnl Copyright (C) 2003, 2007, 2009 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 Bruno Haible.
- dnl Test whether the printf() function supports POSIX/XSI format strings with
- dnl positions.
- AC_DEFUN([gt_PRINTF_POSIX],
- [
- AC_REQUIRE([AC_PROG_CC])
- AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings],
- gt_cv_func_printf_posix,
- [
- AC_TRY_RUN([
- #include <stdio.h>
- #include <string.h>
- /* The string "%2$d %1$d", with dollar characters protected from the shell's
- dollar expansion (possibly an autoconf bug). */
- static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
- static char buf[100];
- int main ()
- {
- sprintf (buf, format, 33, 55);
- return (strcmp (buf, "55 33") != 0);
- }], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no,
- [
- AC_EGREP_CPP([notposix], [
- #if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
- notposix
- #endif
- ],
- [gt_cv_func_printf_posix="guessing no"],
- [gt_cv_func_printf_posix="guessing yes"])
- ])
- ])
- case $gt_cv_func_printf_posix in
- *yes)
- AC_DEFINE([HAVE_POSIX_PRINTF], [1],
- [Define if your printf() function supports format strings with positions.])
- ;;
- esac
- ])
|