Re: [Mesa3d-dev] libtool (was CVS and SSE)

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

On Tue, May 22, 2001 at 09:19:53PM +0200, Marcelo E. Magallon wrote:
> >> "Sven M. Hallberg" <pe...@gm...> writes:
> 
>  > OK. So we let libtool do its work and (constructively) interfere with
>  > it only where the necessity pops up, right?
> 
>  Yes, I guess that's the safest solution.

Alright. Brian, is this OK with you?


>  > >  Like I said, what's important is the SONAME contained in the library,
>  > >  what this file is called is not important.  Like this:
>  > 
>  > Really?? I thought it was like this:
>  >  SONAME of library X = Y.
>  >  compile executable Z with -lX
>  >   -> linker puts SONAME(X)=Y to NEEDED(Z)
>  >  execute Z
>  >   -> linker looks up library of _name_ Y.
>  >      If lib Y doesn't exist, linker fails.
>  > 
>  > Is it different?
> 
>  No, it's like that.  I meant that you have to check that the SONAME is
>  set right and that there's a link SONAME(lib) ->
>  whatever_libtool_called_it (e.g. libGL.so.1 -> libGL.1.2.350) and
>  another one PUBLIC_NAME(lib) -> whatever_libtool_called_it (e.g.,
>  libGL.so -> libGL.1.2.350)

Right. Since we can't influence the SONAME directly, we don't have any other
option than to check whether libtool did what we wanted and issue an error
message otherwise.


>  > libGL already gets these dependencies from the various convenience libs.
>  > Can anyone see whether there are any missing? Since I built the si-glu
>  > Makefile.am's I'll just add -lGL there, right?
> 
>  Funny that it doesn't list libstdc++, but appart from libGL, no, it
>  doesn't need anything else ...

I don't think GLU uses the STL.


>  > Ugh. Do you have any indication why that fails? Maybe it doesn't like
>  > the high REVISION number?
> 
>  Libtool tries to pass something like 'sgi350.0:sgi349.0:...:sgi2.0:sgi1.0'
>  to the linker, and the linker doesn't seem to like that and terminates
>  with a bus error...

Did you try it with a lower revision number? What does a "bus error" mean
exactly, do you know? I don't.


Regards,
Sven

-- 
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