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diff --git a/JavaScriptCore/DerivedSources.make b/JavaScriptCore/DerivedSources.make
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+# Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer. 
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution. 
+# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+#     its contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+VPATH = \
+    $(JavaScriptCore)/kjs \
+    $(JavaScriptCore)/VM \
+    $(JavaScriptCore)/pcre \
+    $(JavaScriptCore)/docs \
+    $(JavaScriptCore)/runtime \
+#
+
+.PHONY : all
+all : \
+    ArrayPrototype.lut.h \
+    chartables.c \
+    DatePrototype.lut.h \
+    grammar.cpp \
+    lexer.lut.h \
+    MathObject.lut.h \
+    NumberConstructor.lut.h \
+    RegExpConstructor.lut.h \
+    RegExpObject.lut.h \
+    StringPrototype.lut.h \
+    $(JavaScriptCore)/docs/bytecode.html \
+#
+
+# lookup tables for classes
+
+%.lut.h: create_hash_table %.cpp
+	$^ -i > $@
+lexer.lut.h: create_hash_table keywords.table
+	$^ > $@
+
+# JavaScript language grammar
+
+grammar.cpp: grammar.y
+	bison -d -p kjsyy $< -o $@ > bison_out.txt 2>&1
+	perl -p -e 'END { if ($$conflict) { unlink "grammar.cpp"; die; } } $$conflict ||= /conflict/' < bison_out.txt
+	touch grammar.cpp.h
+	touch grammar.hpp
+	cat grammar.cpp.h grammar.hpp > grammar.h
+	rm -f grammar.cpp.h grammar.hpp bison_out.txt
+
+# character tables for PCRE
+
+chartables.c : dftables
+	$^ $@
+
+$(JavaScriptCore)/docs/bytecode.html: make-bytecode-docs.pl Machine.cpp 
+	perl $^ $@