# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40)

dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.

dnl This file is free software, distributed under the terms of the GNU

dnl General Public License.  As a special exception to the GNU General

dnl Public License, this file may be distributed as part of a program

dnl that contains a configuration script generated by Autoconf, under

dnl the same distribution terms as the rest of that program.

# Test for the GNU C Library, version 2.1 or newer.

# From Bruno Haible.

AC_DEFUN([jm_GLIBC21],

  [

    AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,

      ac_cv_gnu_library_2_1,

      [AC_EGREP_CPP([Lucky GNU user],

	[

#include <features.h>

#ifdef __GNU_LIBRARY__

 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)

  Lucky GNU user

 #endif

#endif

	],

	ac_cv_gnu_library_2_1=yes,

	ac_cv_gnu_library_2_1=no)

      ]

    )

    AC_SUBST(GLIBC21)

    GLIBC21="$ac_cv_gnu_library_2_1"

  ]

)