Re: [Ekiga-devel-list] Tarball generation issues

[Damien Sandras <dsandras seconix com>]

Le mardi 06 janvier 2009 à 11:15 +0100, Eugen Dedu a écrit :
> Peter Robinson wrote:
> >>>> Also when doing the library check I get the following opal error if
> >>>> the speex libs aren't installed (should it not be checking for
> >>>> speex?).
> >>>>
> >>>> checking for PTLIB... yes
> >>>> checking for OPAL... configure: error: Package requirements (opal >=
> >>>> 3.4.2) were not met:
> >>>>
> >>>> Package speexdsp was not found in the pkg-config search path.
> >>>> Perhaps you should add the directory containing `speexdsp.pc'
> >>>> to the PKG_CONFIG_PATH environment variable
> >>>> Package 'speexdsp', required by 'opal', not found
> >>>>
> >>>> Consider adjusting the PKG_CONFIG_PATH environment variable if you
> >>>> installed software in a non-standard prefix.
> >>>>
> >>>> Alternatively, you may set the environment variables OPAL_CFLAGS
> >>>> and OPAL_LIBS to avoid the need to call pkg-config.
> >>>> See the pkg-config man page for more details.
> >>> What happens is that opal asks, through its pkg-config file, that
> >>> libspeex-dev be installed when another package depending on opal, such
> >>> as ekiga, is configured.  This is an error (not -dev, but the library is
> >>> needed), but I do not know how to solve it for the moment.
> >> Are we sure it is an error ?
> >>
> >> I would have supposed it was a feature of pkgconfig. Anyway, what is
> >> sure is that it is not ekiga's job to request speexdsp, so if anything
> >> has to be fixed, it is in opal.pc.
> >>
> >> And what I don't understand is that I do not get this error, however,
> >> speexdsp.pc is not on my system !?
> > 
> > Weird, I had to scratch my head for a sec as I had opal-devel
> > installed, but not speex devel.
> 
> If you have libspeex-dev installed when configuring opal, then opal.pc 
> will contain:
>    Requires: ptlib speexdsp
> This means that libpt-dev and libspeexdsp-dev must be installed when 
> configuring a program which uses opal.pc, such as ekiga.
> 
> However, this is wrong, because ekiga program does not need 
> libspeex-dsp, but libspeex.
> 
> I do not know how to impose to a program to require a library (not its 
> headers) through pkg-config (but it might exist somehow).
> 
> I repeat: the question is: how opal can tell ekiga that libspeex (not 
> -dev) is needed in order to use opal?
> 

GTK has the same problem. I think that even if you only need the
library, you still need the devel package in order to be able to get the
correct pkg-config flags for linking.
-- 
 _     Damien Sandras
(o-      
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