Re: Why can't I see/use plugins in www/liferea?

[Thomas Klausner <wiz%NetBSD.org@localhost>]

Hi!

I've just enabled python3 support in libpeas by default.
I hope this fixes the original problem, let me know!
 Thomas

On Fri, Aug 27, 2021 at 10:26:07PM +0100, Chavdar Ivanov wrote:
> I managed to build libpeas with python3 support, entirely manually
> fighting with ninja. My default python is still 3.7 and I have only
> python-3.7.pc; for some reason neither python was found during the
> config stage and the necessary include files, libraries and .pc files
> linked under .buildlink; I added them manually; examining the meson
> output, I found it was looking for python3.pc and python3-embed.pc ; I
> copied python-3.7.pc to python3.pc in the pkgconfig directory and
> created python3-embed.pc (modified python-3.8-embed.pc as there was no
> python-3.7-embed.pc at all). After that meson found the embedded
> python3.7 and managed to build libpython3loader.so, but the latter was
> not linked to libpython3.7.so; I ran the ninja command with -v, caught
> the output and added '-lpython3.7'; the resulting libpython3loader.so
> works fine - with both gedit and liferea.
> 
> Overall a bit of an exercise for the package maintainer - I am not
> sure how to approach the meson/ninja stuff with respect to paching the
> process. But there is no reason not to enable this, I guess.
> 
> Screenshot attached.
> 
> On Fri, 27 Aug 2021 at 16:48, Ottavio Caruso
> <ottavio2006-usenet2012%yahoo.com@localhost> wrote:
> >
> > On 27/08/2021 14:35, Ottavio Caruso wrote:
> > > On 27/08/2021 12:22, Chavdar Ivanov wrote:
> > >> On Fri, 27 Aug 2021 at 10:49, Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
> > >>>
> > >>> Tested under NetBSD-current of today and current pkgsrc.
> > >>>
> > >>> liferea plugin system is enabled when --enable-introspection is given
> > >>> on the configure command line - which is not in the current package
> > >>> build state.
> > >>>
> > >>> I distcleaned the work directory and reran configure as below,
> > >>>
> > >>> This fails with my system make (bmake in your context) in
> > >>> /usr/pkg/share/gobject-introspection-1.0/Makefile.introspection, which
> > >>> apparently needs gmake. I was able to go a bit further by running the
> > >>> configure script with /usr/pkg/gnu/bin in front of the PATH, but it
> > >>> failed the final link stage - it reported not being able to find
> > >>> LibXinerama.so.2, which I couldn't figure out - the configure
> > >>> invocation was:
> > >>>
> > >>> ./configure --x-includes=/usr/X11R7/include
> > >>> --x-libraries=/usr/X11R7/lib --prefix=/usr/pkg --build=x86_64--netbsd
> > >>> --host=x86_64--netbsd --mandir=/usr/pkg/man
> > >>> --enable-option-checking=yes --enable-introspection
> > >>>
> > >>> so it should have been found.
> > >>>
> > >>> Chavdar
> > >>
> > >> It turned out the reason is that devel/libpeas does not include the
> > >> loaders:
> > >> ....
> > >> (liferea:11173): libpeas-WARNING **: 12:34:25.653: Failed to load
> > >> module 'python3loader': Cannot open
> > >> "/usr/pkg/lib/libpeas-1.0/loaders/libpython3loader.so"
> > >> ....
> > >>
> > >> even if I added CONFIGURE_ARGS+=        --enable-introspection to the
> > >> Makefile.
> > >>
> > >> I tried to mess with libpeas, but I can't get it to build the loaders,
> > >> even when enabling them in the Makefile, which contains:
> > >> ...
> > >> # XXX: revisit at later date if something needs this
> > >> ...
> > >> and disables the loaders; I guess the maintainer should do just that,
> > >> as plugins are disabled for other programs using them, i.e. gedit:
> > >>
> > >> ...
> > >> (gedit:12666): libpeas-WARNING **: 12:37:09.554: Failed to load module
> > >> 'python3loader': Cannot open
> > >> "/usr/pkg/lib/libpeas-1.0/loaders/libpython3loader.so"
> > >>
> > >> (gedit:12666): libpeas-WARNING **: 12:37:09.554: Could not load plugin
> > >> loader 'python3'
> > >> ...
> > >>
> > >> A pr perhaps...
> > >
> > >
> > > Well spotted agin. Maybe somebody could offer a pointer on how to fix
> > > this in libpeas?
> > >
> > >
> >
> >
> > Even fiddling with both Makefiles:
> >
> > [chroot]:~/cvs/pkgsrc/current/pkgsrc# diff -u www/liferea/Makefile.old
> > www/liferea/Makefile
> > --- www/liferea/Makefile.old    2021-08-27 12:53:56.596852029 +0000
> > +++ www/liferea/Makefile        2021-08-27 13:03:51.541792457 +0000
> > @@ -21,6 +21,8 @@
> >
> >   GLIB_SCHEMAS=         net.sf.liferea.gschema.xml
> >
> > +CONFIGURE_ARGS+= --enable-introspection=yes
> > +
> >   .include "../../databases/sqlite3/buildlink3.mk"
> >   .include "../../devel/glib2/schemas.mk"
> >   .include "../../devel/libpeas/buildlink3.mk"
> > [chroot]:~/cvs/pkgsrc/current/pkgsrc# diff -u devel/libpeas/Makefile.old
> > devel/libpeas/Makefile
> > --- devel/libpeas/Makefile.old  2021-08-27 15:35:53.318037953 +0000
> > +++ devel/libpeas/Makefile      2021-08-27 15:36:18.845863604 +0000
> > @@ -15,7 +15,7 @@
> >
> >   # XXX: revisit at later date if something needs this
> >   MESON_ARGS+=  -Dpython2=false
> > -MESON_ARGS+=   -Dpython3=false
> > +#MESON_ARGS+=  -Dpython3=false
> >   MESON_ARGS+=  -Dlua51=false
> >
> >   PYTHON_FOR_BUILD_ONLY=        tool
> >
> >
> >
> > doesn't address the issue.
> >
> > --
> > Ottavio Caruso
> >
> 
> 
> -- 
> ----