Re: About lib version and git

[Philip Withnall <philip tecnocode co uk>]

On Wed, 2018-01-17 at 11:49 +0100, Daniel Garcia Moreno wrote:
> On Tue, Jan 16, 2018 at 9:35 PM, Philip Withnall <philip tecnocode co
> .uk> wrote:
> > On Tue, 2018-01-16 at 12:17 -0600, Federico Mena Quintero wrote:
> > > It doesn't really matter when you do it.  There are some
> > important
> > > things:
> > >
> > > * Make sure the new header files are parallel-installable with
> > the
> > > old
> > > ones.
> > >
> > > * Make sure the soname in the library changes.  Grep for
> > LT_VERSION
> > > here: https://wiki.gnome.org/MaintainersCorner/Releasing -
> > although
> > > I'm
> > > not sure how this works in Meson.
> > >
> > > Just to avoid apps that use the old API to inadvertently try to
> > > compile/link with the new one.
> >
> > There is a documentation page covering this in its entirety:
> >
> > https://developer.gnome.org/programming-guidelines/unstable/paralle
> > l-in
> > stallability.html.en
> >
> > Pay attention to all of it; if there’s only one part of your
> > library
> > which is not parallel installable, the whole thing is effectively
> > not
> > parallel installable.
>
> I've changed the version number and the build names so now for the
> next version all goes with a different name, so I think that this
> will allow different versions of libgepub running in the same system.
>
> https://gitlab.gnome.org/GNOME/libgepub/commit/d721c7ebba040b935d3c8e
> 0456ccf5a4a674e531
>
> These are all files that will install libgepub:
>
> local
> local/lib
> local/lib/libgepub-0.6.so
> local/lib/girepository-1.0
> local/lib/girepository-1.0/Gepub-0.6.typelib
> local/lib/libgepub-0.6.so.0.0.0
> local/lib/libgepub-0.6.so.0
> local/lib/pkgconfig
> local/lib/pkgconfig/libgepub-0.6.pc
> local/share
> local/share/gir-1.0
> local/share/gir-1.0/Gepub-0.6.gir
> local/include
> local/include/libgepub-0.6
> local/include/libgepub-0.6/gepub-widget.h
> local/include/libgepub-0.6/gepub-archive.h
> local/include/libgepub-0.6/gepub-text-chunk.h
> local/include/libgepub-0.6/gepub-doc.h
> local/include/libgepub-0.6/gepub.h
>
> With this change, anyone that uses libgepub should specify the
> version in his code and link with -lgepub-0.6 for example.
>
> Is this the recommended way to do that?

Well, if you install that in parallel with the old version of the
library on a system, will any of the files conflict? :-)

Philip

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