2013-04-11 19:12:46 +00:00
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# glibc2.m4 serial 3
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dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2013 Free Software Foundation,
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dnl Inc.
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2010-09-20 23:09:23 +00:00
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# Test for the GNU C Library, version 2.0 or newer.
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# From Bruno Haible.
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AC_DEFUN([gt_GLIBC2],
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[
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AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
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[ac_cv_gnu_library_2],
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[AC_EGREP_CPP([Lucky GNU user],
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[
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#include <features.h>
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#ifdef __GNU_LIBRARY__
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2013-04-11 19:12:46 +00:00
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#if (__GLIBC__ >= 2) && !defined __UCLIBC__
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2010-09-20 23:09:23 +00:00
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Lucky GNU user
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#endif
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#endif
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],
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[ac_cv_gnu_library_2=yes],
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[ac_cv_gnu_library_2=no])
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]
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)
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AC_SUBST([GLIBC2])
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GLIBC2="$ac_cv_gnu_library_2"
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]
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)
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