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31 lines
830 B
31 lines
830 B
# glibc2.m4 serial 3 |
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dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2017 Free Software Foundation, |
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dnl Inc. |
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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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#if (__GLIBC__ >= 2) && !defined __UCLIBC__ |
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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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