[webkit-help] Build error -- via Win + VC2005 express

[y w]

Hi all,

I installed WebKit  into my PC (Windows XP Home, SP3, VC2005 Express), but get 
build failed!
I followed the instruction 
of http://webkit.org/building/tools.html installed  Microsoft Visual C++ Express 
2005 Service Pack 1.  Visual Studio 2005 Service Pack 1 ATL Security 
Update,  Windows Server 2003 R2 Platform SDK,  and then 
installed Cygwin, QuickTime SDK, Install DirectX SDK;
Then installed source tree followed the 
instruction of http://webkit.org/building/checkout.html, installed code  and 
updated.
Then build it, I got failed!  

the most error is
Performing Pre-Build Event... /usr/bin/bash Project : error PRJ0002 : Error 
result 1 returned from 'C:\WINDOWS\system32\cmd.exe'. Project : warning PRJ0018 
: The following environment variables were not found: $(PRODUCTION) 

Can any one give a solution?
Thanks in advance!
Yang

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