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

[Brian P. <br...@va...>]

Picking up this thread again from two weeks ago...


> > > > 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??


As I said, there should be a libOSMesa.so.3.5.030500 or libOSMesa.so.3.5
library.  The SONAME should probably be "libOSMesa.so.3".

Can you do this?

-Brian