diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/preprocessor/generate_parser.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/preprocessor/generate_parser.sh	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+#!/bin/bash
+# Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Generates various components of GLSL ES preprocessor.
+
+run_flex()
+{
+input_file=$script_dir/$1
+output_source=$script_dir/$2
+flex --noline --nounistd --outfile=$output_source $input_file
+}
+
+run_bison()
+{
+input_file=$script_dir/$1
+output_source=$script_dir/$2
+bison --no-lines --skeleton=yacc.c --output=$output_source $input_file
+}
+
+script_dir=$(dirname $0)
+
+# Generate preprocessor
+run_flex Tokenizer.l Tokenizer.cpp
+run_bison ExpressionParser.y ExpressionParser.cpp
+patch --silent --forward < 64bit-tokenizer-safety.patch