Re: Diskarbitration 10.3 and 10.4
Re: Diskarbitration 10.3 and 10.4
- Subject: Re: Diskarbitration 10.3 and 10.4
- From: Terry Lambert <email@hidden>
- Date: Thu, 12 Jun 2008 19:27:07 -0700
On Jun 12, 2008, at 8:42 AM, Andy Green wrote:
I have an app of which I'd like to deploy a single binary that will
work
on 10.3 and later.
It links against the public DiskArbitration framework, so at the
moment
I can't run it on 10.3.
I can, instead, use the 10.3.9/PrivateFrameworks/DiskArb.framework,
and
the ppc version builds and runs, however there's obviously no i386
build
in there.
Is it possible to have a single build, which runs the public framework
on 10.4 and the private one on 10.3?
And if so, what's the incantation?
It's a dylib, so rather than linking it directly, you could provide a
wrapper that opened on or the other and looked up the symbols and Did
The Right Thing. You could also use install_name_tool at install time
to select between them.
The first option will be better if there are any header changes that
make the libraries binary incompatible with each other, but is more
work. If there are no header changes, you can do it in the installer
by selecting which one to have it look for at install time, rather
than trying to do it at runtime.
-- Terry
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