Date: Wed, 30 Oct 2002 15:19:10 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Doug Rabson <dfr@nlsystems.com> Cc: Daniel Eischen <eischen@pcnet1.pcnet.com>, current@freebsd.org Subject: Re: [PATCH: libc]Re: gnome on current Message-ID: <3DC068EE.D04E207C@mindspring.com> References: <20021030220614.R22480-100000@herring.nlsystems.com>
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Doug Rabson wrote: > > You need to link the library against libc_r.so instead of libXThrStub.so. > > Probably not. Doing that breaks the existing 'feature' of being able to > use X11 in entirely non-threaded programs. I'm not sure whether that is > acceptable. It also stops programs from being able to select between > several thread implementations, of which -current has two. > > I think the only sensible solution to this problem is for libraries which > provide an actual pthreads implementation (rather than a set of stubs) to > define strong symbols. Wierd debugging wrappers can still be achieved via > some dlopen/dlsym hackery. OK... I guess I don't understand the problem. If you are not compiling threaded programs for use with X, and X itself is not threaded, then why the heck was the threads stuff there in the first place? If X itself uses threads, then you need to use threads: there's no option in the matter. If libX11.so does not reference, the threads symbols, who cares? If libX11.so *does* reference the threads symbols, then they need to be there. You can't have a library that's sort of threaded and sort of not threaded: pick one. If you want a seperate libdlopen, then I can help you: I did some of the code necessary to implement this already, but stopped because there needs to be a change to the constructor arguments to pass the address of the arg list down to the constructors, so you can use a constructor section in a linker set to do the init that's necessary to get at the symbols. I didn't want to have to fight the rest of you to get that mod into libc and the crt0 code. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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