Re: [gentoo-dev] gcc-3.3.6 for x86 stable

[Armando Di Cianno <fafhrd@gentoo.org>]

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On 2005-09-02 13:07:23 -0400 Mike Frysinger <vapier@gentoo.org> wrote:
>> I've been trying to phase out dev-libs/libffi for a long while...if
>> someone can figure out a patch for gcc-3.3 series that compiles and
>> installs libffi w/o building the entirety of gjc/java/etc, that would
>> be fantastic; gcc-3.4 series has had this for a long time, and the
>> patch is incredibly simple -- my one attempt at doing this for 
>> gcc-3.3
>> series proved fruitless.  (The little bit of monkeying I've done with
>> gcc-4 series has proved easy wrt to this.)
> 
> so has this all been integrated into the gcc ebuilds or does it need 
> to be or 
> ... ?
> -mike

> =gcc-3.4.3-r1 and <gcc-4* compiles and installs libffi seperately if 
> 'objc' is used (regardless of 'gcj', which always installs it); i.e. 
> the patch is already in there for that stated range of versions.

For gcc-4*, from what I looked at, the patch will also be quite easy
to make.  I've talked to one of the gcc/objc maintainers, and 4.1.0
might already offer libffi as a sepate build target (i.e. no need for
a patch to make it one).

For gcc-3.3, I looked at it way back when, and gave up ... so it might
not be difficult, I suppose, just significantly different enough from
the patch that works with gcc-3.4.

The dev-libs/libffi ebuilds are based on early libstdc++-v3 ebuilds
... but unlike libstdc++-v3, there's really no reason to offer it as a
seperate package, especially since gcc offers it.

The most ideal scenario is, across all gcc versions, 'objc' only
installs objc support, 'gcj' keeps doing it's gcj thing, and a new
flag 'libffi' installs libffi regardless of 'objc' or 'gcj'.  As one
of the few foreign function interface libraries out there (ffcall
comes to mind as well), libffi may be useful to some outside of
objc+GNUstep or gcj.

__armando

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