Review Request 112434: Properly detect the location of STL's shared_ptr.

[Commit Hook]

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This review has been submitted with commit f184967a01381ca43a02d44edf3158e6cc0be376 by Raphael Kubo da Costa to branch KDE/4.11.

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On Sept. 1, 2013, 8:07 p.m., Raphael Kubo da Costa wrote:
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/112434/
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> (Updated Sept. 1, 2013, 8:07 p.m.)
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> 
> Review request for KDE Multimedia and Christian Esken.
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> Description
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> 
> Properly detect the location of STL's shared_ptr.
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> std::shared_ptr is a C++11 feature, whose location (and existence) in STL
> implementations of previous C++ standards varied -- one widespread example
> is GCC's libstdc++, which has a shared_ptr implementation in <tr1/memory>
> that was shipped long before C++11.
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> However, including it unconditionally breaks the build if any other STL
> implementation (such as libc++) is used instead.
> 
> We now check if std::shared_ptr is present in the <memory> header and then
> try std::tr1::shared_ptr as a fallback.
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> 
> Diffs
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>   CMakeLists.txt a442972cf27305a4048f9fd4133f496392e87d60 
>   config.h.cmake 032f8c101a192dd6769944c0f4978ef673557cae 
>   core/ControlPool.h 4cb2222f46e9ed855bfbe028fe1c124f683d8f8a 
>   core/MasterControl.h dff9e95d719508a8966d1d9c994948851d5bd2c8 
>   core/mixdevice.h f5ca7829b78709569ea7749aea8d781870cec409 
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> Diff: http://git.reviewboard.kde.org/r/112434/diff/
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> Testing
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> Together with <https://git.reviewboard.kde.org/r/112433> building KMix with clang and libc++ finally succeeds.
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> Thanks,
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> Raphael Kubo da Costa
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>

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