Proposal to (formally/easily) allowing multiple versions of the same library installable
rc040203 at freenet.de
Mon Feb 16 16:17:32 UTC 2015
On 02/16/2015 05:10 PM, Martyn Foster wrote:
> On 16 February 2015 at 15:12, Kevin Kofler <kevin.kofler at chello.at
> <mailto:kevin.kofler at chello.at>> wrote:
> Christopher Meng wrote:
> > Maintaining several version of the same library is not easy as you think,
> > basically once a developer wants to install version X while then another
> > people want to deploy things based on version Y, how to crack this nut?
> > You can't just care about runtime.
> Then you need to patch one or the other package to work with the same
> version. Only if that is not possible, a compatibility library can be
> considered. But we should always first try to make everything work
> with the
> same version (if possible, the newer one).
> The requirement to work with multiple versions of a package come up in
> the scientific/HPC community very frequently. Its not always about API
> compatibility, sometimes exact numerical reproduction is required which
> isn't preserved even between minor versions (i.e. an OS update).
I don't buy this argument wrt. Fedora.
Fedora is a rapid moving, forward looking distro, in which such
regressions should be fixed and not be worked around by compat-libs.
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