[PATCH] Convert checks for PC98 support from platform #ifdefs to configure flag

[Daniel Stone]

On Fri, Dec 18, 2009 at 03:16:27PM -0800, Alan Coopersmith wrote:
> Tiago Vignatti wrote:
> > Alan Coopersmith wrote:
> >> Default remains the same - on for most OS'es on i386 (except Solaris),
> >> off for everyone else.   Can be manually toggled via --enable-pc98 or
> >> --disable-pc98.
> > 
> > maybe you could put come commentary somewhere in the code describing
> > what is PC98 for people disinformed like me.
> 
> That would require me to know, but I'm in the disinformed bunch.   I
> vaguely remember it being a standard used in Japanese PC's that never
> caught on in the rest of the world - which of the choices in Wikipedia
> makes it sound more like http://en.wikipedia.org/wiki/NEC_PC-9801 than
> http://en.wikipedia.org/wiki/PC_System_Design_Guide#PC_98 - hopefully
> someone else knows.

Yeah.  It's almost kind of a standard PC, but has bizzare weird quirks
for everything, hence the #ifdef city.  There aren't _that_ many of them
still around, but definitely still a few -- I remember merging patches
to fix PC98 support from Bugzilla at some point.  Hopefully we can can
support for it in a couple of years or so, but at the moment I guess
just not actively breaking it should be fine.

Cheers,
Daniel
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