common/autoconf/spec.gmk.in

@@ -432,10 +432,15 @@
 
 NATIVE2ASCII=@FIXPATH@ $(BOOT_JDK)/bin/native2ascii
 
 JARSIGNER=@FIXPATH@ $(BOOT_JDK)/bin/jarsigner
 
+# You run the new javac using the boot jdk with $(BOOT_JDK)/bin/java $(NEW_JAVAC) ...
+BOOTSTRAP_JAVAC_JARS:="-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" -cp $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar
+NEW_JAVAC   = $(BOOTSTRAP_JAVAC_JARS) com.sun.tools.javac.Main
+NEW_JAVADOC = $(BOOTSTRAP_JAVAC_JARS) com.sun.tools.javadoc.Main
+
 # Base flags for RC
 # Guarding this against resetting value. Legacy make files include spec multiple
 # times.
 ifndef RC_FLAGS
 RC_FLAGS:=@RC_FLAGS@