On 06/18/2017 11:11 AM, Andreas Metzler wrote: > On 2017-06-18 Jörg Frings-Fürst <deb...@jff-webhosting.net> wrote: >> Package: release.debian.org >> Severity: normal >> User: release.debian....@packages.debian.org >> Usertags: transition > >> Hello, > >> I'd want to upload libunistring 0.9.7 to unstable. The ABI is bumped. > [...] > > Hello, > > Point of information: Afaict from the changelog the only > reason for the soname bump in 0.9.4 is this one: > ----------------------------------------- > diff -NurbBp xxx-libunistring-dev_0.9.6+really0.9.3-0.1/usr/include/unistr.h > xxx-libunistring-dev_0.9.7-1/usr/include/unistr.h > --- xxx-libunistring-dev_0.9.6+really0.9.3-0.1/usr/include/unistr.h > 2016-05-27 12:54:58.000000000 +0200 > +++ xxx-libunistring-dev_0.9.7-1/usr/include/unistr.h 2017-06-10 > 12:18:01.000000000 +0200 > @@ -562,12 +595,23 @@ extern uint32_t * > > /* Compare S1 and S2. */ > /* Similar to strcmp(), wcscmp(). */ > +#ifdef __sun > +/* Avoid a collision with the u8_strcmp() function in Solaris 11 libc. */ > +extern int > + u8_strcmp_gnu (const uint8_t *s1, const uint8_t *s2) > + _UC_ATTRIBUTE_PURE; > +# define u8_strcmp u8_strcmp_gnu > +#else > extern int > - u8_strcmp (const uint8_t *s1, const uint8_t *s2); > + u8_strcmp (const uint8_t *s1, const uint8_t *s2) > + _UC_ATTRIBUTE_PURE; > +#endif > ----------------------------------------- > i.e. it is specific to __sun. So afaict this transition should go > smoothly without breakage of programs linking against both version of > libunistring although libunistring does not use versioned symbols. > In that case, please do *not* change the package name. Just ship libunistring.so.2 in the libunistring0 package, with a libunistring.so.0 symlink, and a shlibs/symbols bump. And then you don't need any transition or rebuild of reverse dependencies.
Cheers, Julien
