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Member "libextractor-1.11/m4/printf-posix.m4" (2 Dec 2018, 1579 Bytes) of package /linux/privat/libextractor-1.11.tar.gz:


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    1 # printf-posix.m4 serial 6 (gettext-0.18.2)
    2 dnl Copyright (C) 2003, 2007, 2009-2016 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_RUN_IFELSE(
   18         [AC_LANG_SOURCE([[
   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);
   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__
   35   notposix
   36 #endif
   37             ],
   38             [gt_cv_func_printf_posix="guessing no"],
   39             [gt_cv_func_printf_posix="guessing yes"])
   40         ])
   41     ])
   42   case $gt_cv_func_printf_posix in
   43     *yes)
   44       AC_DEFINE([HAVE_POSIX_PRINTF], [1],
   45         [Define if your printf() function supports format strings with positions.])
   46       ;;
   47   esac
   48 ])