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questionable use of qemu-m68k for building (was Re: ruby2.2 fuckup)



Dixi quod…
>Laurent Vivier dixit:
>>Le 21/11/2015 13:07, Andreas Schwab a icrit :
>
>>> Does that include the FPU emulation?
>>
>>I don't know: FPU emulation is on 96 bits (in fact 80...) and can have
>>some bugs (I didn't fix the NaN format for the moment).
>
>In this case, e.g. Python interpreters and related things (cffi/numpy?)
>built on qemu-m68k may be broken.

It looks like Python running *on* qemu-m68k is, at the very least,
broken (probably precisely because it does funny things to the FPU):

19:37⎜<christoph_d> mira: hast du eigentlich noch was mit den m86k leuten zu tun?
19:38⎜<christoph_d> das python paket triggert da illegal instruction beim postinst
19:53⎜*** You are no longer marked as away
19:53⎜<mira> christoph_d: marginal, hau mal cbmuser an, der kroßkompiliert alles wider meinen rat
19:56⎜<christoph_d> https://buildd.debian.org/status/fetch.php?pkg=katarakt&arch=m68k&ver=0.1-2&stamp=14493387
     ⎜    81 fwiw
19:56⎜<mira> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
19:57⎜<mira> das is nich python sondern qemu
19:57⎜<mira> damit wär bewiesen, daß er den fpu-teil eben NICHT korrekt emuliert

bye,
//mirabilos
-- 
15:39⎜«mika:#grml» mira|AO: "mit XFree86® wär’ das nicht passiert" - muhaha
15:48⎜<thkoehler:#grml> also warum machen die xorg Jungs eigentlich alles
kaputt? :)    15:49⎜<novoid:#grml> thkoehler: weil sie als Kinder nie den
gebauten Turm selber umschmeissen durften?	-- ~/.Xmodmap wonders…


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