#793: Use gcc's libffi to replace Adjustor.c and ByteCodeFFI.hs?
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Reporter: simonmar | Owner: simonmar
Type: task | Status: new
Priority: normal | Milestone: 6.8 branch
Component: Runtime System | Version: 6.4.1
Severity: normal | Resolution:
Keywords: | Difficulty: Moderate (1 day)
Testcase: N/A | Architecture: Unknown
Os: Unknown |
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Comment (by simonmar):
Replying to [comment:8 igloo]:
> I don't think we should bundle it. It's the sort of thing where more
obscure platforms need the latest version, and we don't another thing we
have to make sure we keep up-to-date. Also, for the common case (including
Windows users) it isn't necessary to have it, as the existing code can be
used instead.
I agree, except that I've just done a bit of digging and libffi would fix:
* #1288 (stdcall in GHCi on Windows)
* #738 (SELinux)
* #631 (FFI in GHCi unregisterised)
For #738, we could pinch the code from `libffi` which works around the
issue (the license is unrestrictive). For #1288, I'd rather just use
`libffi` than implement it myself, but that means requiring `libffi` on
Windows. For #631, I assume it's not a problem to require `libffi` for
unregisterised builds.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/793#comment:9>
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