pkgconfig
autoreconfHook
buildInputs
Only acts on one-line dependency lists.
Build-tested on x86_64 Linux and on Darwin.
This seems to have been confusing people, using both xlibs and xorg, etc. - Avoided renaming local (and different) xlibs binding in gcc*. - Fixed cases where both xorg and xlibs were used. Hopefully everything still works as before.