On 2008-08-12 14:41:29 +0100, Kostas Georgiou wrote:
> On Tue, Aug 12, 2008 at 07:38:15AM -0500, Martin Hicks wrote:
>
> >
> > On Mon, Aug 11, 2008 at 11:30:24PM +0200, Marcus Rueckert wrote:
> > >
> > > this is not the package version. it is the soname mangled a bit. the
> > > base idea behind it is, that you can install multiple version of the
> > > same library in parallel.
> >
> > Okay. I guess I just don't see this very often. Are we expecting to
> > break library compatibility often?
>
> Even if you break library compatibility there is no need for the soname
> being encoded in the rpm name for the most current version. As it is now
> during an upgrade libganglia-$soname will stay installed even if nothing
> requires it anymore.
thats a matter of your package manager if it cleans up unused library
packages.
> The common practice in the rpm world is to not to use the soname for the
> latest version and have something like compat-ganglia-30 or libganglia30
> for example for the older versions (no need to encode the minor version
> since changes there don't break compatibility).
yeah and to get rid of compat-* we went to split out the libraries
consistently. the algorithm for the filename (as python code) is:
[[[
def libname_from_soname (soname):
libname = string.split(soname, '.so.')
if len(libname) == 2:
if libname[0][-1:].isdigit():
libname = string.join(libname, '-')
else:
libname = string.join(libname, '')
else:
libname = soname[:-3]
libname = libname.replace('.', '_')
return libname
]]]
so only the major version of your library will be used anyway.
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