v8 compile

> set PATH=C:\Python25;C:\Python25\Scripts;%PATH%`
> scons

"C:\Program Files\Microsoft Visual Studio 10.0\VC\vcvarsall.bat"
scons env="PATH:%PATH%,INCLUDE:%INCLUDE%,LIB:%LIB%"

For example, to get a shared debug library that uses snapshots type the following at the command line from the directory in which you checked out the V8 code:
>scons mode=debug library=shared snapshot=on
To build the V8 shell sample in release mode:
>scons sample=shell
To build the V8 developer shell in release mode:
>scons d8