Date: Wed, 30 Oct 2002 22:25:12 -0500 (EST) From: Daniel Eischen <eischen@pcnet1.pcnet.com> To: Alexander Kabaev <ak03@gte.com> Cc: Terry Lambert <tlambert2@mindspring.com>, dfr@nlsystems.com, current@FreeBSD.ORG Subject: Re: [PATCH: libc]Re: gnome on current Message-ID: <Pine.GSO.4.10.10210302224360.23231-100000@pcnet1.pcnet.com> In-Reply-To: <20021030220450.316fe0ac.ak03@gte.com>
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On Wed, 30 Oct 2002, Alexander Kabaev wrote: > On Wed, 30 Oct 2002 15:51:48 -0800 > Terry Lambert <tlambert2@mindspring.com> wrote: > > > NO. > > > > If you have a library that's linked to a library containing string > > symbols, then no other library gets a chance to replace to symbols > > with its own strong symbols. The first strong symbol always wins, > > and the search is defined to be depth-first. > > You are ignoring the fact, that objects, loaded at the application startup > time are getting searched first, followed RTLD_GLOBAL objects, and finally by > the loaded object DAG. LD_PRELOAD objects override them all. > > > > > First strong/last weak should win. You are saying "last weak" is not > > winning. That's a linker bug. > > If last weak will win, the normal case when Xthrstub is loaded _after_ libc_r > will break. The only way to really fix this is to export pthread_ symbols as > strong in libc_r. Exporting them as weak sounds like is a mistake which > should be fixed. I disagree. See Solaris 6, 7, 8 & 9 for an example. -- Dan Eischen To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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