--- a/langtools/make/build.properties	Tue May 19 15:07:15 2009 -0700
+++ b/langtools/make/build.properties	Wed May 20 13:36:23 2009 -0700
@@ -32,7 +32,8 @@
 # boot.java.home = /opt/jdk/1.5.0 
 boot.java = ${boot.java.home}/bin/java
 boot.javac = ${boot.java.home}/bin/javac
-boot.javac.target = 5
+boot.javac.source = 6
+boot.javac.target = 6
 
 # This is the JDK used to run the product version of the tools,
 # for example, for testing. If you're building a complete JDK, specify that.
@@ -59,7 +60,8 @@
 bootstrap.full.version = ${bootstrap.release}-${build.number}
 
 # options for the <javac> tasks used to compile the tools
-javac.target = 6
+javac.source = 5
+javac.target = 5
 javac.debug = true
 javac.debuglevel = source,lines
 javac.no.jdk.warnings = -XDignore.symbol.file=true