mc/m4/printf-posix.m4
Pavel Tsekov ad135b0727 * m4/codeset.m4: Update to serial #2.
* m4/fsusage.m4: Update to serial #23.
* m4/iconv.m4: Update to serial #AM6.
* m4/intdiv0.m4: Update from gnulib.
* m4/intmax.m4: Update to serial #3.
* m4/inttypes-pri.m4: Update to serial #4.
* m4/inttypes_h.m4: Update to serial #7.
* m4/lib-link.m4: Update to serial #13.
* m4/lib-prefix.m4: Update to serial #5.
* m4/longlong.m4: Update to serial #10.
* m4/onceonly.m4: Update to serial #4.
* m4/printf-posix.m4: Update to serial #3.
* m4/size_max.m4: Update to serial #6.
* m4/stdint_h.m4: Update to serial #6.
* m4/ulonglong.m4: Update to serial #6.
* m4/wint_t.m4: Update to serial #2.
2007-09-24 16:14:49 +00:00

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# printf-posix.m4 serial 3 (gettext-0.16.2)
dnl Copyright (C) 2003, 2007 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
])