Re: [gentoo-alt] Questions on making ebuilds on OS X

[Francois Bissey]

> On 21-01-2011 22:01:17 +1300, François Bissey wrote:
> > I have been toying with a Gentoo prefix on OS X (10.5) for the
> > last month.
> >
> > I spent most of my time getting things in shape to have sage from
> > the sage-on-gentoo overlay build on OS X.
> >
> > I have something that runs now and I'd like to clean up my work
> > and put some of it in good shape for submission.
> >
> > I was working on x86-macos with 10.5 and a friend of mine was
> > testing on x64-macos with 10.6 (he also have a ppc-macos, presumably
> > 10.4 on which he plans to test the stuff).
> >
> > 1) I have one ebuild in which I need to set
> > MACOSX_DEPLOYMENT_TARGET
> > How do I identify the various flavours of OS X, 10.4, 10.5, 10.6, to set
> > it right?
>
> I'd like to trace down why your package needs this to be set.  The
> Prefix profiles for OSX already set MACOSX_DEPLOYMENT_TARGET explicitly
> to the right version.  Check make.defaults and profile.bashrc.
>

I didn't know this at the time I wrote my message. It is indeed set just fine
by the system.

> > 2) framework: I noticed that we build the python framework. Do we
> > preferably build framework? Or the reverse? I have worked on dev-lang/R
> > and I didn't build it as a framework and ended up with a bunch of .so
> > which should have been ".bundle" I believe.
>
> We build the framework *next* to the normal UNIX way, just because of
> graphical application support for Python.  Due to how OSX works, a
> graphical application that uses CoreGraphics (or something) needs to
> call those methods from a Bundle environment, which a Framework is.
> It is preferred not to build in frameworks in Gentoo Prefix from my
> point of view where possible.  Note that Python is built in both ways,
> such that you only need to worry about the Framework when you do a
> graphical app (which in general only looks for the Framework, so that
> works out nicely).
>
> The .so vs .bundle is an a problem sometimes solved using elibtoolize,
> but in R's case probably by patching the buildsystem.
>

Ok, I tried to build the framework for R but the install routine to install
the framework is just awful.

Francois

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