Review Request 113670: Only link to Qt5::X11Extras and ${X11_LIBRARIES} if X11 was found

[Commit Hook]

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This review has been submitted with commit b1b4d885e1e3dc30eb5367be1f1aee01300a0359 by Alex Richardson to branch frameworks.

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On Nov. 8, 2013, 9:04 p.m., Alexander Richardson wrote:
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> http://git.reviewboard.kde.org/r/113670/
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> (Updated Nov. 8, 2013, 9:04 p.m.)
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> 
> Review request for KDE Frameworks.
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> Repository: kdelibs
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> Description
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> Link kde4support privately to QtX11Extras, QtSvg and QtTest
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> Otherwise every user of the target KF5::KDE4Support will also have
> Qt5::X11Extras Qt5::Svg Qt5::Test linked.
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> This can cause linker errors like "ld: cannot find -lQt5::Test"
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> REVIEW: 113670
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> Diffs
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>   tier4/kde4support/src/CMakeLists.txt cbfac3e 
>   tier4/kde4support/src/kdeui/kxerrorhandler.h babf931 
>   tier4/kde4support/src/kdeui/kxerrorhandler.cpp 3f4765d 
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> Diff: http://git.reviewboard.kde.org/r/113670/diff/
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> Testing
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> I previously got the following error compiling okteta, now it works:
> /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld: cannot find -lQt5::X11Extras
> /usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld: cannot find -lQt5::Svg
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> QtX11Info and QtSvg are not used in any installed headers, so IMO this should be fine
> qtest_kde.h does actually include QtTest headers, but only uses these types inside macros. And I guess any user of that header already also links to QtTest
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> Thanks,
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> Alexander Richardson
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>

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