X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fglibc21.m4;h=68ada9d4d5b844e3ff5be076ec1156c542f6630e;hb=fc80165c92e8b92da6e88e4fdb9c472125124fa0;hp=5b88ef231cf54091a205325cd2c823fe47a63097;hpb=5ea59d5f015fd43f97ba198817707e38e56d0a07;p=gnulib.git

diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index 5b88ef231..68ada9d4d 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,26 +1,30 @@
-#serial 2
+# glibc21.m4 serial 4
+dnl Copyright (C) 2000-2002, 2004, 2008-2010 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([jm_GLIBC21],
+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_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_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"
   ]
 )