Autodetect LUA by trying pkg-config in makefile.
Autodetect LUA by trying pkg-config in makefile.

We require gnu-make anyway, thus we may try to autodetect Lua and fall
back to the setup corresponding to manual installation of Lua.

dkogan/notion,knixeur/notion,dkogan/notion.xfttest,knixeur/notion,knixeur/notion,raboof/notion,neg-serg/notion,p5n/notion,raboof/notion,knixeur/notion,anoduck/notion,p5n/notion,p5n/notion,anoduck/notion,neg-serg/notion,raboof/notion,p5n/notion,anoduck/notion,dkogan/notion.xfttest,dkogan/notion,dkogan/notion,anoduck/notion,knixeur/notion,neg-serg/notion,neg-serg/notion,p5n/notion,dkogan/notion.xfttest,anoduck/notion,dkogan/notion,dkogan/notion,dkogan/notion.xfttest,raboof/notion