[poppler] track build version in output

[Yury G. Kudryashov]

Josh Richardson wrote:

> Hey Popplers,
> 
> When I generate some content with pdftohtml, I'd like it to also spit out
> the build version with the content so I can keep track of which version of
> the software produced which content.  I'm guessing that this might be
> useful in other utilities also.
> 
> In any case, I wanted to share my plan before I undertake:
> 
> 1. Modify poppler cmake system;
> 
>  *   add a new configure flag, INCLUDE_VERSION_IN_OUTPUT
>  *   when set, run "git describe" on the repo when running a make
What is the problem with POPPLER_VERSION variable?

BTW, don't forget that poppler has two buildsystems, and you should adjust 
both of them.
-- 
Yury G. Kudryashov,
mailto: urkud at mccme.ru