# HG changeset patch
# User wenzelm
# Date 1246134487 -7200
# Node ID 28f5ed40ecabfc3c9dca562ad6a05e15e4c3cb1e
# Parent  42f897a7017f41bce970985a9916a78cf3e1880f
less ambitious version that works with  Java 1.5;

diff -r 42f897a7017f -r 28f5ed40ecab src/Pure/System/isabelle_system.scala
--- a/src/Pure/System/isabelle_system.scala	Sat Jun 27 22:22:08 2009 +0200
+++ b/src/Pure/System/isabelle_system.scala	Sat Jun 27 22:28:07 2009 +0200
@@ -295,7 +295,7 @@
   {
     getenv_strict("ISABELLE_TOOLS").split(":").find(dir => {
       val file = platform_file(dir + "/" + name)
-      try { file.isFile && file.canRead && file.canExecute }
+      try { file.isFile && file.canRead } //  file.canExecute requires Java 1.6
       catch { case _: SecurityException => false }
     }) match {
       case Some(dir) =>