[CMake] set proxy with cmake file download

[Bill Hoffman]

Eric Noulard wrote:
> 2010/3/12 AKHRES Nader <nader.akhres at laposte.net 
> <mailto:nader.akhres at laposte.net>>
> 
>     I'm using windows... maybe it works on linux, I'll have a try but I
>     would need a way to make it works on windows as well
> 
> 
> I don't know the default behavior of curl lib on Windows but the CTest 
> source code
> do use HTTP_PROXY (upper case) env var on any platform.

Since we use curl, the lower case version also works.  The code that 
uses the upper case was actually for an older version of curl, I think...

Anyway, for me both upper and lower case versions work for me on windows.


-Bill