Migrate conf/ to general conf/-buildsystem (write documentation for it).

gpm2 may be an example for this!

conf/targets:
   targets to make available in Makefile and their dependencies

   abstract the build-process somehow, so one can create build-targets?

   c-programs/ (includes cc / ld)
      cinit (link to conf/object_listings cinit?)
conf/object_listings
   lists of dependencies:
      conf/object_listings/cinit contains all objects needed for cinit

conf/programs/
   like cc, ld, install, ...

conf/built-options/
   like --... in ./configure

conf/install/
   <name>
   options/
      destdir (prefixed before everything)
      prefix  (standard prefix)
         bin     (relative to prefix, if not beginning with a /)
         sbin    (relative to prefix, if not beginning with a /)
         lib     (relative to prefix, if not beginning with a /)
   targets/
      cinit/
         built-target (link to conf/targets/cinit)
         destination (relative to