X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Funlink-busy.m4;h=f5739c2a9af59df5253c71b1e761e3d6d1abe2bb;hb=5e29a7a095a6c960115cf48f5b28278194a0b2ca;hp=ce7e1c92e3d3a29a8f968f5986de4e07d7fc06b1;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4
index ce7e1c92e..f5739c2a9 100644
--- a/m4/unlink-busy.m4
+++ b/m4/unlink-busy.m4
@@ -1,10 +1,10 @@
-#serial 11
+#serial 12
 
 dnl From J. David Anglin.
 
 dnl HPUX and other systems can't unlink shared text that is being executed.
 
-# Copyright (C) 2000, 2001, 2004, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2004, 2007, 2009-2011 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -20,7 +20,12 @@ AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
             int
             main (int argc, char **argv)
             {
-              return !argc || unlink (argv[0]) != 0;
+              int result = 0;
+              if (argc == 0)
+                result |= 1;
+              else if (unlink (argv[0]) != 0)
+                result |= 2;
+              return result;
             }]])],
       gl_cv_func_unlink_busy_text=yes,
       gl_cv_func_unlink_busy_text=no,