519237 - Enable jsctypes on arm/linux

Status: RESOLVED DUPLICATE of bug 527363

(Core :: js-ctypes, defect)

Description

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The libffi build currently fails with:

>  src/arm/sysv.S: Assembler messages:
>  src/arm/sysv.S:204: Error: selected processor does not support `stfeqs f0,[r2]'
>  src/arm/sysv.S:209: Error: selected processor does not support `stfeqd f0,[r2]'
>  src/arm/sysv.S:283: Error: selected processor does not support `ldfs f0,[sp]'
>  src/arm/sysv.S:286: Error: selected processor does not support `ldfd f0,[sp]'
>  src/arm/sysv.S:289: Error: selected processor does not support `ldfd f0,[sp]' 

There's a workaround suggested here:
http://www.nabble.com/Re:-libFFI-arm-compilation-fails-with-assembly-td20346235.html
A second cry for help here:
http://www.nabble.com/-BUG--libffi-3.0.8-doesn%27t-compile-on-MX31-td23697085.html
... which leads into the upstream bug here:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40242

We could use the workaround suggested in the first link, but at a cursory reading it sounds like that's not really the right thing to do. We might want to fix libffi's configure and upstream it.