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

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

On Wed, May 23, 2001 at 09:40:49AM -0600, Brian Paul wrote:
> > mkdir .libs
> > gcc -O -mcpu=k6 -mpreferred-stack-boundary=2 -malign-functions=4
> > -fschedule-insns2 -fexpensive-optimizations -Wall -fomit-frame-pointer
> > -ffast-math -fexpensive-optimizations -fstrict-aliasing -malign-loops=2
> > -malign-jumps=2 -malign-functions=2 -D_REENTRANT -DPTHREADS -o .libs/aaindex
> > aaindex.o ../src-glut/.libs/libglut.so -L../si-glu -L/usr/X11R6/lib -lSM
> > -lICE -lXmu -lXext -lXi -lX11 ../si-glu/.libs/libGLU.so -L../src -lGL
> > ../src/.libs/libGL.so -lSM -lICE -lXmu -lXext -lXi -lX11 -lpthread -lm
> > -Wl,--rpath -Wl,/opt/Mesa/lib
> > ../src-glut/.libs/libglut.so: undefined reference to
> > `glXBindChannelToWindowSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to
> > `glXCreateContextWithConfigSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to
> > `glXGetFBConfigAttribSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to
> > `glXQueryChannelDeltasSGIX'../src-glut/.libs/libglut.so: undefined reference
> > to `glXChannelRectSyncSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to `glXChannelRectSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to `glXQueryChannelRectSGIX'
> > ../src-glut/.libs/libglut.so: undefined reference to
> > `glXGetFBConfigFromVisualSGIX'
> > collect2: ld returned 1 exit status
> > make[2]: *** [aaindex] Error 1
> > make[2]: Leaving directory `/opt/Mesa/book'
> > make[1]: *** [check-am] Error 2
> > make[1]: Leaving directory `/opt/Mesa/book'
> > make: *** [check-recursive] Error 1
> 
> 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.


> 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?

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