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SubjectRe: [PATCH v2] parisc: dont unconditionally override CROSS_COMPILE for 64 bit.
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On Tuesday 28 February 2012 13:22:50 Grant Grundler wrote:
> On Tue, Feb 28, 2012 at 7:33 AM, John David Anglin wrote:
> > On 2/28/2012 10:21 AM, Mike Frysinger wrote:
> >> we've been using hppa2.0 for years. gnuconfig certainly recognizes it:
> >> $ grep hppa /usr/share/gnuconfig/config.**sub
> >>
> >> | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] |
> >>
> >> hppa64 \
> >>
> >> | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
> >>
> >> and i've seen diff projects key off of the hppa2.0* to enable newer
> >> features by
> >> default.
> >
> > Some of the above are specific to HP-UX, but hppa1.1, hppa2.0, hppa and
> > hppa64 are
> > valid for Linux based on config.guess.
>
> Mike, et al,
> I'd suggest NOT using hppa2.0 as a surrogate for 64-bit build. I'd prefer
> hppa64 if 64-bit is meant.
>
> hppa2.0 can also mean PA2.0 compliant binary compiled using ILP32 model.
> right?

i don't think that's what the proposed change does. James' patch runs $(CC)
to find the active tuple, then replaces the first part with "hppa64" to get a
64bit toolchain automatically. but that magic only works when the tuple is
"hppa-xxx" and so will fail when the system is using "hppa2.0-xxx".

short story: the proposed change will additionally support turning "hppa2.0-
linux-gnu" into "hppa64-linux-gnu" rather than the existing "only turns hppa-
linux-gnu" into "hppa64-linux-gnu".
-mike
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