X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fglibc21.m4;h=93fbf4745922719a47db7f0300eb1f202310eaf6;hb=05a96e0bca75d5b01c337cd7dacd04507d6e6497;hp=9fd45663b9123469448bddb4992fc81464e06b21;hpb=516a30eb2b19c3038e49f196fd8512e480665c24;p=gnulib.git

diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
index 9fd45663b..93fbf4745 100644
--- a/m4/glibc21.m4
+++ b/m4/glibc21.m4
@@ -1,12 +1,16 @@
-#serial 2
+# glibc21.m4 serial 4
+dnl Copyright (C) 2000-2002, 2004, 2008 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>
@@ -16,11 +20,11 @@ AC_DEFUN(jm_GLIBC21,
  #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"
   ]
 )