[Kde-imaging] libkexiv2: breaks backward compatitiliby? WAS: extragear/libs/libkexiv2

[Angelo Naselli]

Alle mercoledì 9 maggio 2007, Colin Guthrie ha scritto:
> Angelo Naselli wrote:
> > Alle martedì 8 maggio 2007, Colin Guthrie ha scritto:
> >> Angelo Naselli wrote:
> >>> Col can you test the binary compatibility in cooker? I mean IIRC there
> >>> was 0.1.2 in it now you upgraded to 0.1.4 digikam should start correctly.
> >> Yeah I tested it prior to committing/submitting it and it seems to be
> >> fine, so I guess you are right in that it was the 0.1.1 -> 0.1.2 that
> >> broke things.  The version I updated in cooker was indeed 0.1.2.
> >>
> >> Didn't try to do anything complex in dk but nothing jumped out at me.
> >>
> >> Col
> >>
> > Col could you please test this one against 0.1.2?
> > http://www.linux.it/~anaselli/kipi-plugins/libkexiv2-0.1.5.tar.bz2
> 
> It creates a different automatic provides:
> 
> The older one (0.1.4) generates:
> libkexiv2.so.0()(64bit)
> 
> and the 0.1.5 generates a provide of:
> libkexiv2.so.1()(64bit)

> 
> So indeed the major of the library has changed.
hmm, not the major, but the revision.  
> I can bump the major and it should in theory co-install with the older
> version, but I'll still get conflicts on the file:
> /usr/lib64/libkexiv2.la
> (is this even needed? - I've had good success with just deleting them in
> the past, but I've also been stung with some KDE apps needing them!)
> 
> Regardless it will mean we can rebuild the dependant apps and everything
> will eventually work. Is this the desired effect?
Well it should have been done after liblexiv2 0.1.1 (e.g. for 0.1.2).
But if i understood well the rule 
http://www.gnu.org/software/libtool/manual.html#Versioning
2:1:1 should mean revision is 2, age is 1
so it should be back compatible with libkexiv (2-1=1) 1:X:X e.g. > libkexiv2 0.1.2
I would have expected digikam working with the new library.

I'm comfused... and a bit tired to investigate :/

Angelo
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