Re: Initialize Cocoa/ObjC from a dynamically-loaded bundle?
Re: Initialize Cocoa/ObjC from a dynamically-loaded bundle?
- Subject: Re: Initialize Cocoa/ObjC from a dynamically-loaded bundle?
- From: "Mark's Studio" <email@hidden>
- Date: Thu, 22 Jan 2004 09:09:31 +0100
NSApplicationLoad();
Maybe this could work,
I use it in a AudioUnit plugin running in a Carbon host.
On 22/1-2004, at 7:49, Keith Bauer wrote:
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Let's suppose I have a third-party executable I have no control over
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(ruby, FWIW) with the ability to load plug-ins, in this case files
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created with ld's -dynamic and -bundle options.
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Let's further suppose that said executable does not link to any
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Objective C frameworks, and does not call _objcInit at startup. This
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causes any bundles that link to Objective C frameworks to "crash" the
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executable with an error something like this:
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> objc: failed objc_getClass(NSObject) for GLUTApplication->isa->isa
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> objc: please link appropriate classes in your program
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> Trace/BPT trap
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Is there anything I can do, without modifying the base executable, to
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get this to work?
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I tried calling _objcInit() from the plug-in before it calls any
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Objective C code, but it's too late by then -- the error is at dynamic
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load time.
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I tried making a second plug-in that doesn't link to any Objective C
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frameworks, calls _objcInit() when it's loaded, and gets loaded before
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the first plug-in, but that doesn't prevent the error.
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Any further suggestions appreciated!
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>
Thanks,
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Keith
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Peter Mark
Mark's Recording Studio A/S
Lundeskovsvej 3
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Denmark
Tel: +45 35366078 Fax: +45 35366038
www.marks-studio.dk
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