[CMake] PKGCONFIG backward compatibility on CVS trunk.

[Bill Hoffman]

Alan W. Irwin wrote:
> On 2006-12-05 13:32-0500 Bill Hoffman wrote:
>
>
> OTOH, if they decide to revert my patch from CVS and break backwards
> compatibility with previous releases, then I (and lots of other CMake 
> users)
> will have to adjust our use of the PKGCONFIG module.  I am not actually a
> fanatic about maintaining backwards compatibility since I don't like 
> to put
> up too many barriers to changes and improvements in CMake or any other
> open-source projects.  Thus, I am willing to pay that price of 
> adjusting the
> PLplot configuration scripts if that is how the decision unfolds.  The 
> only
> thing I really ask for is clear release notes that tell exactly where
> backwards compatibility has been compromised.
The UsePkgConfig should behave like it did in previous releases of 
cmake.  2.4.4, 2.4.5.
If you are using CVS CMake, then you should use the new stuff in 
FindPkgConfig.cmake,
and USePkgConfig should not be used.

-Bill