On Mon, Jun 27, 2011 at 03:20:31PM +0200, Johannes Ring wrote: > On Mon, Jun 27, 2011 at 12:38 PM, Anders Logg <[email protected]> wrote: > > I don't know when the Debian import freeze is, so it may have > > implications on the choice we need to make. > > It is June 30th, however, it is unproblematic to wait until > FeatureFreeze at August 11th. It might even be possible to wait for > the FinalFreeze in late September in order to get the packages into > the next Ubuntu (see [1] for more info on the Ubuntu release > schedule). > > > Another thing to discuss is what should happen after 1.0.0. I think it > > would be good to be much more conservative with interface changes than > > what we have been. With the latest change to VariationalProblem, I > > think we have converged pretty well so I don't foresee any big changes > > will be needed. > > > > This also relates to the policy in Debian for binary compatibility > > with shared libraries which may prevent any big changes to the > > interface. > > I don't think it prevents any changes, but it is expected that the > SONAME is bumped on API or ABI changes in a shared library. This is > nothing special for Debian, but more a general expectation in the *nix > world [2]. However, in Debian, the package name which includes a > shared library should depend on the SONAME of that library. In DOLFIN > we currently have "libdolfin.so.${DOLFIN_VERSION_MAJOR}" as SONAME, so > the package name in Debian is thus "libdolfin0". When we move to > DOLFIN_VERSION_MAJOR=1, the Debian Policy requires me to change the > package name to "libdolfin1", that is, if we keep the current SONAME. > However, this is not a good solution since there will be lots of > changes (I guess!) in the interface between 1.0.0 and 2.0.0. A better > option is probably to go for > "libdolfin.so.${DOLFIN_VERSION_MAJOR}.${DOLFIN_VERSION_MINOR}" as the > SONAME. The package in Debian will then become "libdolfin1.0" for > DOLFIN 1.0.0. With this SONAME, we should make sure that at least > DOLFIN_VERSION_MINOR is bumped on interface changes in the shared > library. For other changes, it should be enough to change > DOLFIN_VERSION_MICRO. How does that sound? > > [1] https://wiki.ubuntu.com/OneiricReleaseSchedule > [2] http://en.wikipedia.org/wiki/Soname
I think that sounds very reasonable. -- Anders _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
