30 lines
805 B
Text
30 lines
805 B
Text
# glibc21.m4 serial 3
|
|
dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, 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.
|
|
# From Bruno Haible.
|
|
|
|
AC_DEFUN([gl_GLIBC21],
|
|
[
|
|
AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
|
|
ac_cv_gnu_library_2_1,
|
|
[AC_EGREP_CPP([Lucky GNU user],
|
|
[
|
|
#include <features.h>
|
|
#ifdef __GNU_LIBRARY__
|
|
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
|
|
Lucky GNU user
|
|
#endif
|
|
#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"
|
|
]
|
|
)
|