On Sun, Jul 18, 2010 at 18:27:33 +0200, Emilio Pozuelo Monfort wrote: > On 13/07/10 04:11, Russ Allbery wrote: [...] > > + <sect id="sharedlibs-runtime"> > > + <heading>Run-time shared libraries</heading> > > + > > + <p> > > + The run-time shared library must be placed in a package > > + whose name changes whenever the <tt>SONAME</tt> of the shared > > + library changes. This allows several versions of the shared > > + library to be installed at the same time, allowing installation > > + of the new version of the shared library without immediately > > + breaking binaries that depend on the old version. Normally, the > > Should this also mention that every file's absolute path in that package > should > change whenever the SONAME changes (either because the file is versioned or > because it's in a versioned path), with the exception of > /usr/share/doc/$package? > That's not much of an exception, since $package usually changes when the SONAME does.
[...] > > + <p> > > + Every time the shared library ABI changes in a way that may > > + break binaries linked against older versions of the shared > > + library, the <tt>SONAME</tt> of the library and the > > + corresponding name for the binary package containing the runtime > > + shared library should change. Normally, this means > > Any reason this is a should and not a must? > There are other ways to handle ABI changes, see e.g. libapt-pkg, where the binary package name never changes. And in cases where upstream doesn't bump the SONAME, using a debian-specific SONAME may not always be the best plan. Cheers, Julien
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