[Bug 995419] ghc throws an illegal instruction error when compiling on nvidia tegra2

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=995419



--- Comment #4 from Hans de Goede <hdegoede at redhat.com> ---
(In reply to Jens Petersen from comment #3)
> I see, thanks for the info.
> 
> Is it not allowed to build packages with neon for Fedora ARM?

Not unconditionally, see ie this glibc bug:
https://bugzilla.redhat.com/show_bug.cgi?id=985342 which was about a glibc bug
causing it to use neon versions of memcpy, etc. on non neon machines. Fedora
tries to support armv7 as baseline, and neon is optional on v7.

TL;DR: having the binaries use neon if they detect a neon capable cpu is fine,
using neon unconditionally is not,

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