--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/bin/extractvcvars.sh	Tue Apr 10 08:18:28 2012 -0700
@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# Must be bash, but that is ok since we are running from cygwin.
+# The first argument is the vcvarsall.bat file to run.
+# The second argument is the arch arg to give to vcvars.
+VCVARSALL="$1"
+ARCH_ARG="$2"
+
+# Cannot use the VS10 setup script directly (since it only updates the DOS subshell environment)
+# but calculate the difference in Cygwin environment before/after running it and then
+# apply the diff.
+_vs10varsall=`cygpath -a -m -s "$VCVARSALL"`
+_dosvs10varsall=`cygpath -a -w -s $_vs10varsall`
+_dosbash=`cygpath -a -w -s \`which bash\`.*`
+
+# generate the set of exported vars before/after the vs10 setup
+echo "@echo off" > localdevenvtmp.bat
+echo "$_dosbash -c \"export -p\" > localdevenvtmp.export0" >> localdevenvtmp.bat
+echo "call $_dosvs10varsall $ARCH_ARG" >> localdevenvtmp.bat
+echo "$_dosbash -c \"export -p\" > localdevenvtmp.export1" >> localdevenvtmp.bat
+cmd /c localdevenvtmp.bat
+
+# apply the diff (less some non-vs10 vars named by "!")
+sort localdevenvtmp.export0 |grep -v "!" > localdevenvtmp.export0.sort
+sort localdevenvtmp.export1 |grep -v "!" > localdevenvtmp.export1.sort
+comm -1 -3 localdevenvtmp.export0.sort localdevenvtmp.export1.sort > localdevenv.sh
+cat localdevenv.sh | sed 's/declare -x /export /g' | sed 's/="/:="/g' | sed 's/\\\\/\\/g' | sed 's/"//g' | \
+    sed 's/#/\$\(HASH\)/g' > localdevenv.gmk
+
+# cleanup
+rm -f localdevenvtmp*