libffi was:Re: ANNOUNCE: GHC version 7.0.1

Tyson Whitehead twhitehead at
Thu Nov 18 13:21:56 EST 2010

On November 18, 2010 05:12:11 Simon Marlow wrote:
> On 17/11/2010 14:34, Christian Maeder wrote:
> > ghc can be built without and with libffi.
> Which build option are you referring to here?  libffi is required for
> FFI support in GHCi, and for FFI "wrapper" imports.  However on x86 and
> x86_64 we don't normally use libffi for wrappers, because we have a
> native implementation that is a bit faster (this is the
> UseLibFFIForAdjustors build option).

I was hoping someone might comment further on the selinux issues,

I woudl gather from this though that the native implementation must now avoid 
the "selinux doesn't like pages that are both executable and writable" issue?

(it seems like the solution that closed 738 was to use libffi)

Cheers!  -Tyson
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