source: trunk/m4/glibc21.m4 @ 7104

Last change on this file since 7104 was 7104, checked in by charles, 14 years ago

follow glib-gettextize's suggestion of adding these to the m4 directory

File size: 805 bytes
Line 
1# glibc21.m4 serial 3
2dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7# Test for the GNU C Library, version 2.1 or newer.
8# From Bruno Haible.
9
10AC_DEFUN([gl_GLIBC21],
11  [
12    AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
13      ac_cv_gnu_library_2_1,
14      [AC_EGREP_CPP([Lucky GNU user],
15        [
16#include <features.h>
17#ifdef __GNU_LIBRARY__
18 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
19  Lucky GNU user
20 #endif
21#endif
22        ],
23        ac_cv_gnu_library_2_1=yes,
24        ac_cv_gnu_library_2_1=no)
25      ]
26    )
27    AC_SUBST(GLIBC21)
28    GLIBC21="$ac_cv_gnu_library_2_1"
29  ]
30)
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