Re: [PATCH 5/6] gnu: gcc: Force Aarch64 to use /lib.

[Efraim Flashner <efraim@flashner.co.il>]

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On Tue, Feb 14, 2017 at 09:51:20PM +0200, Efraim Flashner wrote:
> On Tue, Feb 14, 2017 at 09:51:47AM +0100, Ludovic Courtès wrote:
> > Danny Milosavljevic <dannym@scratchpost.org> skribis:
> > 
> > >> +              ;; Force Aarch64 libdir to be /lib and not /lib64
> > >> +              (substitute* "gcc/config/aarch64/t-aarch64-linux"
> > >> +                (("lib64") "lib"))
> > >> +
> > >
> > > I'd amend the comment to say why.
> > 
> > I think we should just skip this patch.  There’s no reason one
> > architecture should be treated different from the others in that
> > respect.
> > 
> > WDYT, Efraim?
> > 
> > Ludo’.
> 
> I don't think it should cause a problem either way. As far as I can tell
> it doesn't make a difference to the software built further down the
> line.
> 

Looks like I spoke too soon. I tried to build gccgo which failed at the
linking stage, since it turned out libgcc_s was in gccgo/lib64 and not
gccgo/lib. I then tried gcc@4.9 and had a similar failure, the lib files
were split between lib and lib64. Other than this patch (with a when
file-exists), the other idea is to change libdir in gcc.scm:86 to be
lib64 on aarch64.

Unfortunately it looks like it'd cause a full rebuild on core-updates.
I'll test it overnight and see how it goes.

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Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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