Review Request 126813: Fix build with older polkit

[Martin Gräßlin]

> On Jan. 19, 2016, 5:22 p.m., David Jarvie wrote:
> > The symbol `polkit_system_bus_name_get_user_sync` doesn't exist in the Debian stable polkit libraries (it doesn't exist in the polkit-1 package sources or Debian patches either). The Debian stable package version is 0.105-8.
> > 
> > The patch does allow polkit-qt-1 to build, but presumably it might lead to link errors if `SystemBusNameSubject::user()` is referenced. Wouldn't it be better to deal with the symbol `polkit_system_bus_name_get_user_sync` in the same manner as `polkit_authority_get_sync` and `polkit_agent_listener_register`, which if they are missing from the libraries, CMakeLists.txt sets the conditional define `POLKIT_QT_1_COMPATIBILITY_MODE`. That could also be used to conditionally compile the code referencing `polkit_system_bus_name_get_user_sync`.

we cannot conditionally compile it. Checking is fine, but we should mark an error if it doesn't compile. The whole point of adding the new API was to use it in KAuth. If we allow to conditionally compile we just move the problem down to KAuth.


- Martin


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On Jan. 19, 2016, 2:09 p.m., Alex Richardson wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126813/
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> 
> (Updated Jan. 19, 2016, 2:09 p.m.)
> 
> 
> Review request for KDE Frameworks.
> 
> 
> Repository: polkit-qt-1
> 
> 
> Description
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> 
> Seems like the function exists, but the header declaration is missing
> 
> 
> Diffs
> -----
> 
>   core/polkitqt1-subject.cpp ecb4c0e216d5bacf5dff5cf100611b941d3e8fbd 
> 
> Diff: https://git.reviewboard.kde.org/r/126813/diff/
> 
> 
> Testing
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> 
> compiles now
> 
> 
> Thanks,
> 
> Alex Richardson
> 
>

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