X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Funlink-busy.m4;h=f5739c2a9af59df5253c71b1e761e3d6d1abe2bb;hb=1caec4216cb4edce9d6bc330c561d721e84225cc;hp=a38eb707cfe2f28eeb45b613b9eafb89bab0512d;hpb=5fe5923a00c8e66b8cae09da36b9b4e558cb47d8;p=gnulib.git

diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4
index a38eb707c..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.
@@ -17,11 +17,16 @@ AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
       AC_RUN_IFELSE(
         [AC_LANG_SOURCE(
            [AC_INCLUDES_DEFAULT[
-	    int
-	    main (int argc, char **argv)
-	    {
-	      return !argc || unlink (argv[0]) != 0;
-	    }]])],
+            int
+            main (int argc, char **argv)
+            {
+              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,
       gl_cv_func_unlink_busy_text=no