From c900bc628fafa157aa2f45e0d387563a6a19819e Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Wed, 1 Aug 2012 22:43:47 -0500
Subject: update README with cross-build instructions


diff --git a/README.md b/README.md
index ffb6b6e..8bc9135 100644
--- a/README.md
+++ b/README.md
@@ -164,9 +164,22 @@ After that, follow the Compilation instructions below.
 ### Building for Windows
 
 OpenSCAD for Windows is usually cross-compiled from Linux. If you wish to
-attempt an MSVC build, please see this site:
+attempt an MSVC build on Windows, please see this site:
 http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Building_on_Windows
 
+To cross-build, first make sure that you have development tools 
+installed to get GCC. Then after you've cloned this git repository, run 
+the script that sets up the environment variables.
+
+    source ./scripts/setenv-mingw-xbuild.sh
+
+Then run the script to download & compile all the prerequisite libraries above:
+
+    ./scripts/mingw-x-build-dependencies.sh
+
+After that, follow the Compilation instructions that are printed at the 
+end of the script (not the ones below).
+
 ### Compilation
 
 First, run 'qmake' from Qt4 to generate a Makefile. On some systems you need to
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