[CMake] Conditional dependency

[Bill Hoffman]

Alan W. Irwin wrote:

> However, before I do that work, does anybody know whether LIST(APPEND...)
> was available for cmake-2.4.5 (the minimum version of cmake for the
> PLplot build)?
> 
> To Bill Hoffman: at one time you were keen on committing the results of
> cmake --help-full for each version of cmake to cvs so that differences 
> (such
> as when LIST(APPEND) was introduced) would spring out when browsing cvs
> using the view-cvs GUI diff.  Did you ever implement that step in your
> release process?  If so, where do you keep the results of cmake --help-full
> in cvs?
> 
Alex, actually did it, and you can find it here:

http://www.cmake.org/Wiki/CMake_Released_Versions

Looks like it is there.

-Bill