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Re: [RFC] Fixing OS X static builds in 1.4.x/trunk

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2006-07-12 19:01:24 CEST

On 7/12/06, Malcolm Rowe <malcolm-svn-dev@farside.org.uk> wrote:
> So I've been trying to work out how to fix the OS X static builds for 1.4.0.
>
> The problem is that:
>
> * Keychain support in libsvn_subr requires us to link to external
> OS X libraries.
>
> * That linkage must be made via a -framework option to gcc, and not the
> usual -llibrary (though as I understand it, the result is similar).
>
> * libtool 1.5.x doesn't record dependencies for libraries linked via
> -framework. (libtool 2.0 does, but that doesn't help us. It appears
> that the support won't be ported back to the 1.5 branch.)
>
> What this means is that, because we only have the external library
> 'keychain' listed as being used by libsvn_subr in build.conf, a static
> link ('configure --disable-shared) of any of the executables that uses
> libsvn_subr(simple_provider.o) fails because the -framework line isn't
> passed as required [1].
>
> I can think of two ways to fix this:
>
> 1. Add 'keychain' as a dependency to all the executables in build.conf
> that require it. That's quite a lot, and none of those executables
> really depend on keychain.
>
> 2. Add the contents of SVN_KEYCHAIN_LIBS to LIBS and remove all traces
> of keychain from build.conf. This means that the -framework option
> will be passed to all link lines, presumably solving the problem.
>
> We had a brief discussion on IRC about this a day or so ago. At that
> time, I was suggesting #1, but I now much prefer #2 - it is a hack,
> but it's localised and we can identify it at such.
>
> Max asked if there was a way we could conditionalise support in a better
> way - perhaps by fixing the build generator to generate transitive
> dependencies in this case. Modifying the build generator is way beyond
> my capability though, so someone else would need to pick this up.
>
> Assuming #2 works (I can't test right now), I'd like to commit and
> propose for backport to 1.4.x - does anyone have any other objections
> or suggestions?

That's fine with me.

-garrett

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Received on Wed Jul 12 19:01:59 2006

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