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Re: build error: Undefined reference to 'objc_sync_enter'

From: Fred Kiefer
Subject: Re: build error: Undefined reference to 'objc_sync_enter'
Date: Wed, 25 Aug 2010 10:48:08 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv: Gecko/20100714 SUSE/3.0.6 Thunderbird/3.0.6

Am 25.08.2010 01:10, schrieb Doug Simons:
> The recent changes in base have caused us to get link errors on
> objc_sync_enter and objc_sync_exit (on Windows). I don't understand
> what the problem is, since both functions are present in sync.m,
> which is being built (and is now the implementation of sync that we
> need). But currently the only way we can build our app is to roll
> back base to r31185. Help!

Does sync.m get compiled for you? If not, you should check config.mak in
the base root directory and see if OBJCSYNC is set to zero. (It should
be for old libobjc runtimes)

The only other problem I can think of is that Windows wont export the
functions although they get compiled into the library. Could you please
check that with any of the usual inspection programs for Windows?

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