[poppler] Requires.private field missing in poppler.pc

[Albert Astals Cid]

El dimarts, 20 de març de 2018, a les 18:57:32 CET, Jeroen Ooms va escriure:
> Currently pkg-config does not correctly list the dependency libs for
> static linking when running with --static:
> 
>   pkg-config --libs --static poppler-cpp
>     -lpoppler-cpp -lpoppler
> 
> The output of --static should also include the recursive dependencies
> such as -lcairo -llcms2 -lopenjp2 -ltiff. For comparsion try
> 'pkg-config --libs libcurl' with and without --static'.
> 
> I think to resolve this, cmake should add a line like this to the
> poppler.pc file:
> 
>   Requires.private: cairo

Side note, afaik we don't link cairo to poppler core at all.

> 
> Or alternatively hardcode dependency linker flags in Libs.private
> field in poppler.pc:
> 
>   Libs.private: -lcairo -lz -lgobject-2.0 -lffi -lglib-2.0 -lintl
> -lpcre -lintl -liconv -lpcre -lpixman-1 -lfontconfig -lexpat
> -lfreetype -lz -lbz2 -lpng16 -lz
> 
> And possibly other dependencies that poppler was configured with.
> However I am not sure how to implement this but I think it should be
> an option in cmake.

As previously stated, personally i don't really care about static linking, so 
patches welcome.

Cheers,
  Albert

> 
> Thank you!
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