[CMake] Variable naming when writing FindXXX.cmake files

[Christopher Harvey]

I recently wondered the same thing, but when I ran the script by this 
mailing list, using all uppercase didn't seem to be a problem.

Judicaël Bedouet wrote:
> Hello,
>
> I have read the README file provided in directory cmake-2.6/Modules.
>
> I would just like to clarify a point : the names of the variables must
> always be uppercased even if the name of the package contains
> lowercase and uppercase letters, must'nt they ?
>
> For example, if I wrote a FindXalanC.cmake, I would export variables
> XALANC_INCLUDE_DIRS, XALANC_LIBRARIES... to respect naming convention
> and not XalanC_INCLUDE_DIRS, XalanC_LIBRARIES. Am I right ?
>
> Thanks,
>
> J. Bedouet
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