1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
# glibc21.m4 serial 5
dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2019 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 2.1 or newer, or uClibc.
# From Bruno Haible.
AC_DEFUN([gl_GLIBC21],
[
AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc],
[ac_cv_gnu_library_2_1],
[AC_EGREP_CPP([Lucky],
[
#include <features.h>
#ifdef __GNU_LIBRARY__
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
Lucky GNU user
#endif
#endif
#ifdef __UCLIBC__
Lucky user
#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"
]
)
|
