1# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40) 2dnl Copyright (C) 2000-2002 Free Software Foundation, Inc. 3dnl This file is free software, distributed under the terms of the GNU 4dnl General Public License. As a special exception to the GNU General 5dnl Public License, this file may be distributed as part of a program 6dnl that contains a configuration script generated by Autoconf, under 7dnl the same distribution terms as the rest of that program. 8 9# Test for the GNU C Library, version 2.1 or newer. 10# From Bruno Haible. 11 12AC_DEFUN([jm_GLIBC21], 13 [ 14 AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, 15 ac_cv_gnu_library_2_1, 16 [AC_EGREP_CPP([Lucky GNU user], 17 [ 18#include <features.h> 19#ifdef __GNU_LIBRARY__ 20 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) 21 Lucky GNU user 22 #endif 23#endif 24 ], 25 ac_cv_gnu_library_2_1=yes, 26 ac_cv_gnu_library_2_1=no) 27 ] 28 ) 29 AC_SUBST(GLIBC21) 30 GLIBC21="$ac_cv_gnu_library_2_1" 31 ] 32) 33