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Re: ffcall vs libffi support


From: Richard Frith-Macdonald
Subject: Re: ffcall vs libffi support
Date: Mon, 25 May 2015 13:43:52 +0100

On 25 May 2015, at 13:39, Riccardo Mottola <address@hidden> wrote:
> 
> Hi,
> 
> while libffi is preferred on most platforms, we continue(d) to support 
> ffcall. I use it for example on windows.
> 
> To do that, I used --enable-ffcall, which is still listed in the help .
> 
> I tried to reconfigure base:
> ...
> checking use of fake-main definition... no
> checking ffi.h usability... no
> checking ffi.h presence... no
> checking for ffi.h... no
> checking callback.h usability... yes
> checking callback.h presence... yes
> checking for callback.h... yes
> configure: WARNING: ffi support seems to be missing on this system ... please 
> in
> stall a recent libffi
> checking for forwarding callback in runtime... yes
> checking FFI library usage... none
> 
> did we we remove the support? or is something else broken?
> I did not see any particular commit in base's configure that would break this.

I think ffcall is pretty much obsolete, but I don't recall intentionally 
removing support ... possibly I accidentally messed something up in a change of 
configure.ac for some other purpose?


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