AFAICS, cython is only used by upstream devs to turn some cython code into .c
files (that are already included in the tarball we use).
(Tested with the 3 on-tree games that require pygame. All work without cython).
Side note: numpy dep is documented as "optional", so we may want to remove that
REQUIRES from this package, and just add it on packages that use that "extra"
functionality.
PyGame's README.rst says:
"The surfarray module requires the Python NumPy package for its
multidimensional numeric arrays.".
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.