> On Aug. 25, 2015, 2:22 p.m., René J.V. Bertin wrote:
> > > When built as SHARED as in the current code, libdraganddropplugin.dylib 
> > > gets installed to $PREFIX/share/qt5/qml/org/kde/draganddrop, but is given 
> > > an OS X install_name of $PREFIX/lib/libdraganddropplugin.dylib. This 
> > > mismatch can cause problems.
> > > It is also given a compatibility_version of 0.0.0.
> > 
> > Both properties are used only when the `dylib` is used as a shared library, 
> > because AFAIK they're only used by the dynamic loader when the reference 
> > information is available (i.e. stored in the binary by the link editor). 
> > Using `dlopen` on a random file, dylib or other, does not provide such 
> > information and thus it shouldn't matter what the loaded file claims for 
> > its install_name and/or compatibility_version.
> > 
> > By contrast, there *is* a difference between shared libraries and loadable 
> > modules ("plugins" or `bundles` in OS X speak) on OS X. The latter cannot 
> > be used as shared libraries by the link editor (something that certain KDE4 
> > projects sin against) while the former can be used as plugins without any 
> > issue. However, only plugins can have automatic access to the loader's 
> > symbols but that requires the loader to be specified at link time so not of 
> > much interest for generic plugins, kparts etc.
> > NB: the `bundle` in this context is unfortunate because they are not 
> > generally bundles in the "app bundle" way.
> > NB2: those KDE projects that use modules as shared libraries (kparts, in 
> > unit tests IIRC) led me to propose a patch to MacPorts's port:cmake which 
> > made cmake create modules with the same linker options as shared libraries 
> > (i.e. `-dynamiclib` instead of `-bundle`). I've since tried to get that 
> > patch removed, but it is still out there.
> 
> Marco Martin wrote:
>     if this breaks on linux, it should be reverted for now

Reverted for now. I also reopened the bug report.

Also for the qml side of things: 
https://mail.kde.org/pipermail/kde-frameworks-devel/2015-August/026281.html


- Harald


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/124892/#review84338
-----------------------------------------------------------


On Aug. 23, 2015, 9:16 p.m., Hanspeter Niederstrasser wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/124892/
> -----------------------------------------------------------
> 
> (Updated Aug. 23, 2015, 9:16 p.m.)
> 
> 
> Review request for Build System, KDE Software on Mac OS X, KDE Frameworks, 
> Plasma, and Harald Sitter.
> 
> 
> Bugs: 342962
>     https://bugs.kde.org/show_bug.cgi?id=342962
> 
> 
> Repository: kdeclarative
> 
> 
> Description
> -------
> 
> The kdeclarative plugins (draganddropplugin, kcoreaddonsplugin, kio, 
> kquickcontrolsprivateplugin, and kquickcontrolsaddonsplugin) are being built 
> as shared libraries. They should be built as bundles (MODULE) in the 
> CMakeLists.txt file.
> 
> When built as SHARED as in the current code, libdraganddropplugin.dylib gets 
> installed to $PREFIX/share/qt5/qml/org/kde/draganddrop, but is given an OS X 
> install_name of $PREFIX/lib/libdraganddropplugin.dylib. This mismatch can 
> cause problems. It is also given a compatibility_version of 0.0.0.
> 
> 
> Diffs
> -----
> 
>   src/qmlcontrols/draganddrop/CMakeLists.txt e8127e4 
>   src/qmlcontrols/kcoreaddons/CMakeLists.txt 3f77f2d 
>   src/qmlcontrols/kioplugin/CMakeLists.txt 7b258e0 
>   src/qmlcontrols/kquickcontrols/private/CMakeLists.txt da355c1 
>   src/qmlcontrols/kquickcontrolsaddons/CMakeLists.txt 5b711e1 
> 
> Diff: https://git.reviewboard.kde.org/r/124892/diff/
> 
> 
> Testing
> -------
> 
> Since the plugin is not supposed to be a linkable library, it should be built 
> as MODULE in CMakeLists.txt. The physical install location remains the same 
> and plugins don't have install_names. This corrects the install_name/install 
> location mismatch. The change should not have any effect on non-OS X systems.
> 
> 
> Thanks,
> 
> Hanspeter Niederstrasser
> 
>

_______________________________________________
Kde-frameworks-devel mailing list
Kde-frameworks-devel@kde.org
https://mail.kde.org/mailman/listinfo/kde-frameworks-devel

Reply via email to