Date: 11 May 2003 12:42:03 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: "Timur I. Bakeyev" <timur@com.bat.ru> Cc: Glenn Johnson <gjohnson@srrc.ars.usda.gov> Subject: Re: gdm-2.4.1.4 not launching Message-ID: <1052671323.6810.10.camel@shumai.marcuscom.com> In-Reply-To: <20030511150225.A84789@bat.ru> References: <20030509160612.GA19809@node1.cluster.srrc.usda.gov> <1052500047.313.14.camel@gyros> <20030509172845.GA76544@node1.cluster.srrc.usda.gov> <1052502107.313.24.camel@gyros> <20030510064319.GC36282@gforce.johnson.home> <20030511044052.GA68086@gforce.johnson.home> <20030511044457.GA68161@gforce.johnson.home> <1052633694.98015.38.camel@shumai.marcuscom.com> <20030511150225.A84789@bat.ru>
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On Sun, 2003-05-11 at 09:02, Timur I. Bakeyev wrote:
> On Sun, May 11, 2003 at 02:14:55AM -0400, Joe Marcus Clarke wrote:
> > On Sun, 2003-05-11 at 00:44, Glenn Johnson wrote:
> > > > >
> > > > > Well, version 2.4.1.3 works just fine. I have that version
> > > > > installed now. It seems like most of the differences, other than
> > > > > the language support, are in the Makefiles and configure scripts.
> > > > > Something must be getting built incorrectly for version 2.4.1.4.
> > > >
> > > > The attached patch to ltmain.sh gets gdm-2.4.1.4 working for me.
> > >=20
> > Glenn, I owe you a bottle of something. This patch not only fixes gdm,
> > but nautilus and [maybe] bonobo as well. This crept in, and is only
> > applicable to -STABLE. -CURRENT _should_ have libc_r linked in.
>=20
> Thanks Glenn for the fix! I spend half of Sunday incrementally applying
> patches to 2.4.1.3 to make it 2.4.1.4 and reached the stage, where only
> changes in libtool and configure were not applied and the beast was still
> working :(). So you saved my other half of the day from investigation :)
Try doing that with nautilus which is what I was doing. I had applied
all the patches to get from 2.2.3 to 2.3.1, but it was _still_ failing.=20
I was about to look at LDFLAGS, but I was still a ways off from
ltmain.sh.
>=20
> As a side help - can someone explain me, what is this mess with -lc_r and
> -pthread is all about? What should be used with wich version of FreeBSD?
In -STABLE, you may notice that all of functions in libc are also in
libc_r. libc_r contains thread-safe versions. If you link both libc
and libc_r into a binary in -STABLE, you get symbol collisions, and bad
things can happen. At some point early in 5.x -CURRENT development,
libc was made thread-safe, and only the POSIX thread API was put into
libc_r. Therefore, you can now safely link both libc and libc_r into
binaries in -CURRENT.
-pthread is handled specially by the linker. It knows where it can and
where it can't link libc_r (e.g. shared libraries). However, in
-CURRENT, these restrictions have now been lessened, so passing -lc_r
directly is now okay. Note how I modified Glenn's patch to exclude
-lc_r from the linker in freebsd4*. This should really be necessary as
${PTHREAD_LIBS} should always be -pthread on -STABLE.
Hope that clarifies things for you.
Joe
>=20
> Thanks a lot,
> Timur.
--=20
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