[Cmake] convention of case sensitivity of FIND_PACKAGE

[Brad King]

Jan Woetzel wrote:
> 
> Hi,
> another question about "conventions" of cmake.
> (1) Should Find scripts should be case sensitive (FindFoo.cmake)  or
> complete upper case(FIndFOO.cmake) ?

They should be case sensitive.

> (2) Is it correct, that the variales set by the script to be used by
> FIND_PACKAGE should be case sensituve, too ?
> e.g. Foo_FOUND, Foo_LIBRARIES  instead of FOO_FOUND, FOO_LIBRARIES ?

The variables should also be case sensitive.

All new modules should be written following these conventions.  The 
older existing modules do not follow the convention because of backward 
compatibility.

-Brad