Review Request 117579: Adjust library version number to start with soversion number.

[Diane Trout]

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https://git.reviewboard.kde.org/r/117579/
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Review request for Telepathy and David Edmundson.


Repository: libkpeople


Description
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When submitting libkpeople to debian Sune Vuorela wanted me to adjust library version number so it starts with SONUMBER. The vast majority of shared libraries on Linux conform to the convention that libfoo.so.3 -> libfoo.so.3.4.5. The clearest documenation of the convention I could find was here: http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html

I had considered using the pattern libfoo.so.3.$(package_version) AKA something like libfoo.so.3.0.2.1 but 4 digits is also a bit unusual. I decided that its ok if the major package version number and so version number differ as they are referencing different concepts package stability vs API version. However the minor and patch versions would tend to get incremented for the package and the library with roughly the same meaning (minor API compatible changes).

I can imagine 4 reasonably sane conventions.

1) library version number has nothing to do with the product version.
2) library version number is soversion+major+minor+patch.
3) library version number is soversion+minor+patch.
4) library version number is soversion+major+minor.

My first fix was #2, this version is #3. I don't really care which version works best.


Diffs
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  src/widgets/CMakeLists.txt 8be6331 
  src/CMakeLists.txt a04c332 
  CMakeLists.txt 5ee7c9d 

Diff: https://git.reviewboard.kde.org/r/117579/diff/


Testing
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Applied patch. mkdir build ; cd build ; cmake .. ; find . -name "*.so" make sure the libkpeople.so.3 -> libkpeople.so.3.2.1


Thanks,

Diane Trout

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