x86_64 is used as a baseline: the "x86_64" entry, whatever status it has,
is transformed into "all", and then the other entries in ARCHITECTURES
either dropped or rearranged appropriately.
* Referring the current haiku version explicitly is not needed, since
the RequiresUpdater takes care of setting the version of Haiku used
for building a package.
* portVersionedName contains the secondary architecture,
so using it means secondary package builds fail.
example: $portVersionedName is libwow_x86-0.0.0 when
doing an x86 build on x86_gcc2
* Longer description (from the homepage).
* Add other commands to provides.
* Add cmd:nano to requires. Any CLI editor would suffice, so we might
want to handle that differently.
* Use runConfigure.
* Use jobArgs.
