[tlbuild] PowerPC 64 and 64le with LuaHBJITTeX on Linux?

[luigi scarso]

On Wed, Apr 22, 2020 at 12:59 PM Johannes Hielscher <jhielscher at posteo.de>
wrote:

> Am Wed, 22 Apr 2020 10:58:58 +0200
> schrieb "Dr. Werner Fink" <werner at suse.de>:
>
> > Hi,
> >
> > my builds are breaking on our PowerPC64 hosts due the revision 7314
> > of luatex ...  what is wrong with LuaHBJITTeX on Linux used on ppc64
> > and/ot ppc64le?
>
> Upstream luajit is known to be broken on PPC (not only powerpc-darwin,
> but also Linux on newer full-64bit and little-endian IBM machines),
> with existing fixes [1], but the upstream authors are hesitating to
> merge these [2].
>
> Hence, it is up to distributors to pull these patches for their own
> luajit packages. Some Linux distros have done so [3], but TeXLive has,
> for now, decided [4] against fiddling within the luajit code and
> disables luajit* until upstream might provide a lower-maintenance
> solution: Karl made [5] the build to look for "powerpc*" within the
> target triplet and disables building luajit-dependent binaries then.
>
> If you are building SuSE binaries (non-native builds in TL speak), it
> depends on the availability of a distro-shipped luajit package to link
> against that, instead of building luajit from the sources provided by
> the TL repo. Although Debian ppc64el provides luajit, I haven't tried
> this yet on my machine, and at least ./Build doesn't provide a
> --with-system-luajit switch (yet) to make this thing trivial.
>
>
I follow
http://www.luajit.org/ <http://luajit.org/>
The last one is LuaJIT 2.1.0-beta3

> I have to check, but iirc we dont enable the use  system lua/luajit
because we have a custom header.

-- 
luigi
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