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Annotation of embedaddon/confuse/m4/printf-posix.m4, revision 1.1.1.2

1.1.1.2 ! misho       1: # printf-posix.m4 serial 6 (gettext-0.18.2)
        !             2: dnl Copyright (C) 2003, 2007, 2009-2013 Free Software Foundation, Inc.
1.1       misho       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:     [
1.1.1.2 ! misho      17:       AC_RUN_IFELSE(
        !            18:         [AC_LANG_SOURCE([[
1.1       misho      19: #include <stdio.h>
                     20: #include <string.h>
                     21: /* The string "%2$d %1$d", with dollar characters protected from the shell's
                     22:    dollar expansion (possibly an autoconf bug).  */
                     23: static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
                     24: static char buf[100];
                     25: int main ()
                     26: {
                     27:   sprintf (buf, format, 33, 55);
                     28:   return (strcmp (buf, "55 33") != 0);
1.1.1.2 ! misho      29: }]])],
        !            30:         [gt_cv_func_printf_posix=yes],
        !            31:         [gt_cv_func_printf_posix=no],
        !            32:         [
        !            33:           AC_EGREP_CPP([notposix], [
        !            34: #if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
1.1       misho      35:   notposix
                     36: #endif
1.1.1.2 ! misho      37:             ],
        !            38:             [gt_cv_func_printf_posix="guessing no"],
        !            39:             [gt_cv_func_printf_posix="guessing yes"])
        !            40:         ])
1.1       misho      41:     ])
                     42:   case $gt_cv_func_printf_posix in
                     43:     *yes)
1.1.1.2 ! misho      44:       AC_DEFINE([HAVE_POSIX_PRINTF], [1],
1.1       misho      45:         [Define if your printf() function supports format strings with positions.])
                     46:       ;;
                     47:   esac
                     48: ])