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Annotation of embedaddon/confuse/m4/printf-posix.m4, revision 1.1

1.1     ! misho       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; 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 _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
        !            32:   notposix
        !            33: #endif
        !            34:         ], gt_cv_func_printf_posix="guessing no",
        !            35:            gt_cv_func_printf_posix="guessing yes")
        !            36:       ])
        !            37:     ])
        !            38:   case $gt_cv_func_printf_posix in
        !            39:     *yes)
        !            40:       AC_DEFINE(HAVE_POSIX_PRINTF, 1,
        !            41:         [Define if your printf() function supports format strings with positions.])
        !            42:       ;;
        !            43:   esac
        !            44: ])