readme.txt for build.pl. not part of build

xpinstall/wizard/windows/builder/readme.txt

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+
+The contents of this file are subject to the Netscape Public
+License Version 1.1 (the "License"); you may not use this file
+except in compliance with the License. You may obtain a copy of
+the License at http://www.mozilla.org/NPL/
+
+Software distributed under the License is distributed on an "AS
+IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+implied. See the License for the specific language governing
+rights and limitations under the License.
+
+The Original Code is Mozilla Communicator client code, 
+released March 31, 1998. 
+
+The Initial Developer of the Original Code is Netscape Communications 
+Corporation.  Portions created by Netscape are
+Copyright (C) 1999 Netscape Communications Corporation. All
+Rights Reserved.
+
+Contributor(s): 
+ Sean Su <ssu@netscape.com>
+
+
+Purpose:
+  To build the mozilla self-extracting installer and its corresponding .xpi files
+  given a mozilla build on a local system.
+
+Requirements:
+1. Perl needs to be installed correctly on the build system because cwd.pm is used.
+   Preferably, perl version 5.004 or newer should be used.
+   
+2. Mozilla\xpinstall\wizard\windows needs to be built.
+  a. to build it, MFC must be installed with VC6
+  b. set MOZ_MFC=1 in the build environment
+  c. run nmake -f makefile.win from the above directory
+
+
+Build.pl requires no parameters.  When it finishes, it will have created a
+temporary staging area in mozilla\dist\stage to build the .xpi archives from.
+The self-extracting installer (mozilla-win32-installer.exe) will be delivered to:
+  mozilla\dist\win32_o.obj\install
+
+The .xpi archives will be delivered to:
+  mozilla\dist\win32_o.obj\install\xpi
+
+Mozilla-win32-installer.exe does not require the .xpi archives once its been created
+because they have been packaged up in the .exe file.
+
+The .xpi archives will also be copied to:
+  mozilla\dist\win32_o.obj\install
+
+This is so setup.exe can install them.  Setup.exe is usually run when debugging the
+installer code.  This makes it easier to debug.
+