| 1234567891011121314151617181920212223242526272829303132 | # 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 GNUdnl General Public License.  As a special exception to the GNU Generaldnl Public License, this file may be distributed as part of a programdnl that contains a configuration script generated by Autoconf, underdnl 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"  ])
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