README: ports switching to GCC 8.

matthew green <[email protected]> Sun, 17 Nov 2019 19:31:43 +1100

Newsgroups	gmane.os.netbsd.ports.macppc,gmane.os.netbsd.current,gmane.os.netbsd.ports.sparc,gmane.os.netbsd.ports.sparc64,gmane.os.netbsd.ports.powerpc,gmane.os.netbsd.ports.ofppc
Message-ID	<[email protected]>

hi folks.


i've recently switched sparc* to GCC 8 and will be soon
switching powerpc.  just running a few more tests to
ensure builds should work.

you'll probably need to do a clean build, though at least
tools/gcc itself will be OK.

as always, please send-pr or email me with issues related
to this.


.mrg.