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Re: libdispatch-gnustep/libdispatchgs-etoilé vs libdispatch0


From: David Chisnall
Subject: Re: libdispatch-gnustep/libdispatchgs-etoilé vs libdispatch0
Date: Mon, 1 Feb 2016 11:39:17 +0000

On 31 Jan 2016, at 23:52, Gregory Casamento <address@hidden> wrote:
> 
> Indeed.  Niels is correct. I thought at one point libdispatch was working 
> without the need for a modified libBlocksRuntime, but after some testing it 
> appears I'm incorrect.

It will sometimes work.  It depends on which implementation of _Block_copy and 
friends the runtime linker decides to pick.  If it picks the one in libobjc2, 
everything is fine.  Otherwise, it is broken.

I thought that we’d modified libBlocksRuntime on FreeBSD to use weak symbols 
for various things, but it looks as if we didn’t and are just lucky with the 
link order...

David

-- Sent from my Difference Engine






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