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Annotation of embedaddon/libiconv/srcm4/printf-posix.m4, revision 1.1.1.1

1.1       misho       1: # printf-posix.m4 serial 5 (gettext-0.18)
                      2: dnl Copyright (C) 2003, 2007, 2009 Free Software Foundation, Inc.
                      3: dnl This file is free software; the Free Software Foundation
                      4: dnl gives unlimited permission to copy and/or distribute it,
                      5: dnl with or without modifications, as long as this notice is preserved.
                      6: 
                      7: dnl From Bruno Haible.
                      8: dnl Test whether the printf() function supports POSIX/XSI format strings with
                      9: dnl positions.
                     10: 
                     11: AC_DEFUN([gt_PRINTF_POSIX],
                     12: [
                     13:   AC_REQUIRE([AC_PROG_CC])
                     14:   AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings],
                     15:     gt_cv_func_printf_posix,
                     16:     [
                     17:       AC_TRY_RUN([
                     18: #include <stdio.h>
                     19: #include <string.h>
                     20: /* The string "%2$d %1$d", with dollar characters protected from the shell's
                     21:    dollar expansion (possibly an autoconf bug).  */
                     22: static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
                     23: static char buf[100];
                     24: int main ()
                     25: {
                     26:   sprintf (buf, format, 33, 55);
                     27:   return (strcmp (buf, "55 33") != 0);
                     28: }], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no,
                     29:       [
                     30:         AC_EGREP_CPP([notposix], [
                     31: #if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
                     32:   notposix
                     33: #endif
                     34:           ],
                     35:           [gt_cv_func_printf_posix="guessing no"],
                     36:           [gt_cv_func_printf_posix="guessing yes"])
                     37:       ])
                     38:     ])
                     39:   case $gt_cv_func_printf_posix in
                     40:     *yes)
                     41:       AC_DEFINE([HAVE_POSIX_PRINTF], [1],
                     42:         [Define if your printf() function supports format strings with positions.])
                     43:       ;;
                     44:   esac
                     45: ])