[PATCH] PPC update

[Ryan C. Gordon]

> About BASE_CFLAGS: I'm not sure if -Wall is wanted by default as it
> produces quite some warnings, but the -pipe might help cutting down
> compile times.

After getting a project up and running, eliminating all reasonable
compiler warnings is probably a very smart idea. Not only is it a general
improvement to the codebase, but it also tends to flush out some
portability problems.

Just my 2 cents, though.

--ryan.