X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fglibc21.m4;h=613fb2a41eca08dd5d060ccf31c56fa80b59fcef;hb=e7086a9a301ffcfef17edbcba9e7c0312c33f7a8;hp=12cddfe8b89c00f38be9f8a74f5d202aeb0c9a30;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index 12cddfe8b..613fb2a41 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,17 +1,18 @@
-# glibc21.m4 serial 4
-dnl Copyright (C) 2000-2002, 2004, 2008 Free Software Foundation, Inc.
+# glibc21.m4 serial 5
+dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2013 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_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc],
       [ac_cv_gnu_library_2_1],
-      [AC_EGREP_CPP([Lucky GNU user],
+      [AC_EGREP_CPP([Lucky],
         [
 #include <features.h>
 #ifdef __GNU_LIBRARY__
@@ -19,6 +20,9 @@ AC_DEFUN([gl_GLIBC21],
   Lucky GNU user
  #endif
 #endif
+#ifdef __UCLIBC__
+ Lucky user
+#endif
         ],
         [ac_cv_gnu_library_2_1=yes],
         [ac_cv_gnu_library_2_1=no])