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- # glibc2.m4 serial 3
- dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2013 Free Software Foundation,
- dnl Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
- # Test for the GNU C Library, version 2.0 or newer.
- # From Bruno Haible.
- AC_DEFUN([gt_GLIBC2],
- [
- AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
- [ac_cv_gnu_library_2],
- [AC_EGREP_CPP([Lucky GNU user],
- [
- #include <features.h>
- #ifdef __GNU_LIBRARY__
- #if (__GLIBC__ >= 2) && !defined __UCLIBC__
- Lucky GNU user
- #endif
- #endif
- ],
- [ac_cv_gnu_library_2=yes],
- [ac_cv_gnu_library_2=no])
- ]
- )
- AC_SUBST([GLIBC2])
- GLIBC2="$ac_cv_gnu_library_2"
- ]
- )
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