Re: [Mesa3d-dev] Re: New automake and autoconf are out!

[Sven M. H. <pe...@gm...>]

On Wed, May 23, 2001 at 10:51:22AM -0600, Brian Paul wrote:
> "Sven M. Hallberg" wrote:
> > > Those undefined functions are part of the SGIX_video_resize extension.
> > > They're referenced in src-glut/glut_vidresize.c.  Mesa has stubs for
> > > these functions so I don't know why you're getting 'undefined reference'.
> > 
> > Strange, this works fine for me, too. However, in my compilation command, the
> > order of the libraries is different, namely libGL.so comes before any others.
> > Maybe that's the cause.
> 
> I wonder if Dieter has another older libGL somewhere on his system
> that doesn't have the video_resize functions.  If that libGL is
> getting picked up instead of the local version that could explain
> things.

Could be...


> > > Personally, compilation is failing for me on demos/osdemo because
> > > it's not getting linked with libOSMesa.so:
> > >
> > > gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../include  -I../util  -I./src/X86  -g -O2 -Wall
> > > -fomit-frame-pointer -ffast-math -fexpensive-optimizations -fstrict-aliasing
> > > -malign-loops=2 -malign-jumps=2 -malign-functions=2 -D_REENTRANT -DPTHREADS -c osdemo.c
> > > osdemo.c:179: warning: `write_ppm' defined but not used
> > > /bin/sh ../libtool --mode=link gcc  -g -O2 -Wall -fomit-frame-pointer -ffast-math
> > > -fexpensive-optimizations -fstrict-aliasing -malign-loops=2 -malign-jumps=2
> > > -malign-functions=2 -D_REENTRANT -DPTHREADS  -o osdemo  osdemo.o ../si-glu/libGLU.la
> > > -lglut  ../src/libGL.la -lm
> > > gcc -g -O2 -Wall -fomit-frame-pointer -ffast-math -fexpensive-optimizations
> > > -fstrict-aliasing -malign-loops=2 -malign-jumps=2 -malign-functions=2 -D_REENTRANT
> > > -DPTHREADS -o .libs/osdemo osdemo.o ../si-glu/.libs/libGLU.so -L../src -lGL -lglut
> > > ../src/.libs/libGL.so -L/usr/X11R6/lib -lSM -lICE -lXmu -lXext -lXi -lX11 -lpthread -lm
> > > -Wl,--rpath -Wl,/tmp/Mesa/lib
> > > osdemo.o: In function `main':
> > > /home/brian/5/demos/osdemo.c:231: undefined reference to `OSMesaCreateContextExt'
> > > /home/brian/5/demos/osdemo.c:248: undefined reference to `OSMesaMakeCurrent'
> > > /home/brian/5/demos/osdemo.c:277: undefined reference to `OSMesaDestroyContext'
> > > collect2: ld returned 1 exit status
> > 
> > Hm.. src/OSMesa/Makefile.am builds a convenience library, not a shared one.
> > Should this be different?
> 
> What's a convenience library?
> 
> There should be a libOSMesa.so library.  Using the Makefile.X11
> process, I'm making a libOSMesa.so.3.5.030500
> 
> The reason for this new, separate library has to do with XFree86.
> The XFree86 libGL knows nothing about the OSMesa interface.  Instead,
> the OSMesa interface (and renderer) are a separate library.  I want
> to do the same thing with stand-alone Mesa for consistancy.

OIC, a "libtool convenience library" is a static library which is not to be
installed but only used within a package.

The Makefile.am's don't reflect what you say, yet. I'll change it anytime.
Just tell me, what version-info do I use, now??

-Sven

-- 
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