-## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
-## Copyright (C) 1996-1999 Free Software Foundation, Inc.
-## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful, but
-## WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-## General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; if not, write to the Free Software
-## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-##
-## As a special exception to the GNU General Public License, if you
-## distribute this file as part of a program that contains a
-## configuration script generated by Autoconf, you may include it under
-## the same distribution terms that you use for the rest of that program.
-
-# serial 40 AC_PROG_LIBTOOL
-AC_DEFUN(AC_PROG_LIBTOOL,
-[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
-
-# Save cache, so that ltconfig can load it
-AC_CACHE_SAVE
-
-# Actually configure libtool. ac_aux_dir is where install-sh is found.
-CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
-LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
-LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
-DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
-${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
-$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
-|| AC_MSG_ERROR([libtool configure failed])
-
-# Reload cache, that may have been modified by ltconfig
-AC_CACHE_LOAD
-
-# This can be used to rebuild libtool when needed
-LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
-
-# Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
-AC_SUBST(LIBTOOL)dnl
-
-# Redirect the config.log output again, so that the ltconfig log is not
-# clobbered by the next message.
-exec 5>>./config.log
-])
+dnl @synopsis AC_FUNC_VSNPRINTF_C99
+dnl
+dnl Check whether there is a vsnprintf() function with C99 semantics installed.
+dnl
+AC_DEFUN([AC_FUNC_VSNPRINTF_C99],
+[AC_CACHE_CHECK(for C99 vsnprintf,
+ ac_cv_func_vsnprintf_c99,
+[AC_TRY_RUN(
+[#include <stdio.h>
+#include <stdarg.h>
+
+int
+doit(char * s, ...)
+{
+ char buffer[32];
+ va_list args;
+ int r;
+
+ va_start(args, s);
+ r = vsnprintf(buffer, 5, s, args);
+ va_end(args);
+
+ if (r != 7)
+ exit(1);
+
+ /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
+ implementation. The above will return 7 but if you replace
+ the size of the buffer with 0, it borks! */
+ va_start(args, s);
+ r = vsnprintf(buffer, 0, s, args);
+ va_end(args);
+
+ if (r != 7)
+ exit(1);
+
+ exit(0);
+}
+
+int
+main(void)
+{
+ doit("1234567");
+ exit(1);
+}], ac_cv_func_vsnprintf_c99=yes, ac_cv_func_vsnprintf_c99=no, ac_cv_func_vsnprintf_c99=no)])
+dnl Note that the default is to be pessimistic in the case of cross compilation.
+dnl If you know that the target has a C99 vsnprintf(), you can get around this
+dnl by setting ac_func_vsnprintf_c99 to yes, as described in the Autoconf manual.
+if test $ac_cv_func_vsnprintf_c99 = yes; then
+ AC_DEFINE(HAVE_C99_VSNPRINTF, 1,
+ [Define if you have a version of the vsnprintf function
+ with semantics as specified by the ISO C99 standard.])
+fi
+])# AC_FUNC_VSNPRINTF_C99
+
+
+dnl @synopsis AC_FUNC_SNPRINTF_C99
+dnl
+dnl Check whether there is a snprintf() function with C99 semantics installed.
+dnl
+AC_DEFUN([AC_FUNC_SNPRINTF_C99],
+[AC_CACHE_CHECK(for C99 snprintf,
+ ac_cv_func_snprintf_c99,
+[AC_TRY_RUN(
+[#include <stdio.h>
+#include <stdarg.h>
+
+int
+doit()
+{
+ char buffer[32];
+ va_list args;
+ int r;
+
+ r = snprintf(buffer, 5, "1234567");
+
+ if (r != 7)
+ exit(1);
+
+ r = snprintf(buffer, 0, "1234567");
+
+ if (r != 7)
+ exit(1);
+
+ r = snprintf(NULL, 0, "1234567");