[CMake] package detection with pkgsrc install ?

[Brad King]

Asmodehn Shade wrote:
> I would like the detection scripts to detect the packaged installed by 
> pkgsrc (www.pkgsrc.org <http://www.pkgsrc.org>)
> 
> pkgsrc is a portable package management system, and by default it 
> install all the packages under /usr/pkg (on my NetBSD at least...) like 
> linux pkg systems installs on /usr/local...

Do packages installed by this system have any kind of manifest?  It 
would be easier to detect packages by loading files that describe them 
instead of searching for separate pieces.

-Brad