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: ])
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