> From: Cyril Brulebois <k...@debian.org>
> Sent: Tue, February 22, 2011 7:02:55 AM
> Subject: Re: Bug#614512: FTBFS in version 8.0.1-2
>
> Dave Witbrodt <dawit...@sbcglobal.net> (21/02/2011):
[...]
> > I was able to resolve the problem after doing a bit of research. I
> > found that 'xeglgears.c' and 'xeglthreads.c' (in 'src/egl/opengl')
> > both depend on libX11, and 'xeglthreads.c' also depends on
> > libpthreads.
>
> Thanks for the patch; it should be checked (not sure hardcoding
> -lpthreads is the right thing to do) and then sent upstream.
I was not sure about that either. I got the idea from my Google search
and from looking around at the 'git log' in 'mesa-demos' around the
time frame of March 2010:
dawitbro@fileserver:~/sandbox/git/mesa-demos-git$ git show
83580b776832d22d0039d820c637fe0be0855467
commit 83580b776832d22d0039d820c637fe0be0855467
Author: Chia-I Wu <o...@lunarg.com>
Date: Wed Mar 24 08:34:39 2010 +0800
progs/egl: Link xeglthreads to libpthread.
This should hopefully fix a build failure reported by Chris Ball when
binutils-gold is used.
diff --git a/src/egl/Makefile b/src/egl/Makefile
index 8dfcb4e..890240f 100644
--- a/src/egl/Makefile
+++ b/src/egl/Makefile
@@ -60,7 +60,7 @@ xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP)
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lpthread -lm $(X11_LIBS)
xegl_tri: xegl_tri.o $(HEADERS) $(LIB_DEP)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
Apparently, the build system for 'mesa-demos' was reworked when they
ripped it out of 'mesa', and it had been working fine until now. I see
this in the 'gcc-4.4' changelog (Feb. 15):
* Pass --no-add-needed by default to the linker. See
http://wiki.debian.org/ToolChain/DSOLinking, section "Not resolving symbols
in indirect dependent shared libraries" for more information.
Is that the culprit?
By "checked" and "sent upstream," did you mean one of you XSF folks will
do that, or were you asking me to do that?
Thanks for your rapid response,
Dave W.
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