--- a/jdk/make/common/shared/Defs-java.gmk	Thu Feb 26 14:36:51 2009 -0800
+++ b/jdk/make/common/shared/Defs-java.gmk	Thu Feb 26 18:51:57 2009 -0800
@@ -129,6 +129,9 @@
 # Needed for javah
 JAVAHFLAGS += -bootclasspath $(CLASSBINDIR)
 
+# Needed for JAVADOC and BOOT_JAVACFLAGS
+NO_PROPRIETARY_API_WARNINGS = -XDignore.symbol.file=true
+
 # Langtools
 ifdef LANGTOOLS_DIST
   JAVAC_JAR   = $(LANGTOOLS_DIST)/bootstrap/lib/javac.jar
@@ -192,6 +195,8 @@
 BOOT_JAVACFLAGS  += -encoding ascii
 BOOT_JAR_JFLAGS += $(JAR_JFLAGS)
 
+BOOT_JAVACFLAGS  += $(NO_PROPRIETARY_API_WARNINGS)
+
 BOOT_JAVA_CMD      = $(BOOTDIR)/bin/java $(JAVA_TOOLS_FLAGS)
 BOOT_JAVAC_CMD     = $(BOOTDIR)/bin/javac $(JAVAC_JVM_FLAGS) $(BOOT_JAVACFLAGS)
 BOOT_JAR_CMD       = $(BOOTDIR)/bin/jar