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-rw-r--r--m4/glibc21.m426
1 files changed, 15 insertions, 11 deletions
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index d95fd9861..ab58b7121 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,30 +1,34 @@
-# glibc21.m4 serial 3
-dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
+# glibc21.m4 serial 5
+dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2014 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.
+# 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 newer,
- ac_cv_gnu_library_2_1,
- [AC_EGREP_CPP([Lucky GNU user],
- [
+ 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
- ],
- ac_cv_gnu_library_2_1=yes,
- ac_cv_gnu_library_2_1=no)
+#ifdef __UCLIBC__
+ Lucky user
+#endif
+ ],
+ [ac_cv_gnu_library_2_1=yes],
+ [ac_cv_gnu_library_2_1=no])
]
)
- AC_SUBST(GLIBC21)
+ AC_SUBST([GLIBC21])
GLIBC21="$ac_cv_gnu_library_2_1"
]
)