newlib/config/glibc21.m4
DJ Delorie 58d7b41f25 Merge from gcc
2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
	* gettext-sister.m4: Renamed from gettext.m4
	* codeset.m4, gettext.m4, glibc21.m4, iconv.m4, intdiv0.m4, po.m4,
	inttypes.m4, inttypes-pri.m4, inttypes_h.m4, lcmessage.m4, lib-ld.m4,
	lib-link.m4, lib-prefix.m4, nls.m4, progtest.m4, stdint_h.m4,
	uintmax_t.m4, ulonglong.m4: Import from gettext-0.12.1 sources.
2004-09-23 19:43:47 +00:00

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# 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"
]
)