1*75f6d617Schristos# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40) 2*75f6d617Schristosdnl Copyright (C) 2000-2002 Free Software Foundation, Inc. 3*75f6d617Schristosdnl This file is free software, distributed under the terms of the GNU 4*75f6d617Schristosdnl General Public License. As a special exception to the GNU General 5*75f6d617Schristosdnl Public License, this file may be distributed as part of a program 6*75f6d617Schristosdnl that contains a configuration script generated by Autoconf, under 7*75f6d617Schristosdnl the same distribution terms as the rest of that program. 8*75f6d617Schristos 9*75f6d617Schristos# Test for the GNU C Library, version 2.1 or newer. 10*75f6d617Schristos# From Bruno Haible. 11*75f6d617Schristos 12*75f6d617SchristosAC_DEFUN([jm_GLIBC21], 13*75f6d617Schristos [ 14*75f6d617Schristos AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, 15*75f6d617Schristos ac_cv_gnu_library_2_1, 16*75f6d617Schristos [AC_EGREP_CPP([Lucky GNU user], 17*75f6d617Schristos [ 18*75f6d617Schristos#include <features.h> 19*75f6d617Schristos#ifdef __GNU_LIBRARY__ 20*75f6d617Schristos #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) 21*75f6d617Schristos Lucky GNU user 22*75f6d617Schristos #endif 23*75f6d617Schristos#endif 24*75f6d617Schristos ], 25*75f6d617Schristos ac_cv_gnu_library_2_1=yes, 26*75f6d617Schristos ac_cv_gnu_library_2_1=no) 27*75f6d617Schristos ] 28*75f6d617Schristos ) 29*75f6d617Schristos AC_SUBST(GLIBC21) 30*75f6d617Schristos GLIBC21="$ac_cv_gnu_library_2_1" 31*75f6d617Schristos ] 32*75f6d617Schristos) 33