Review Request 125236: FindQt4: Use CHECK_CXX_SYMBOL_EXISTS instead of CHECK_C_SYMBOL_EXISTS.

[Raphael Kubo da Costa]

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Review request for Build System and kdelibs.


Repository: kdelibs


Description
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Backport upstream CMake commit de30173d ("Remove C compiler requirement
from FindQt4.cmake") from 2011 so that we check for symbols such as the
Q_WS_* ones with a C++ compiler instead of a C one.


Diffs
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  cmake/modules/FindQt4.cmake e439a72f82c51758830b057b368407e11a6a541e 

Diff: https://git.reviewboard.kde.org/r/125236/diff/


Testing
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Adding something C++-specific to qglobal.h (e.g. `#include <ciso646>`)
works and the right flags are still detected.


Thanks,

Raphael Kubo da Costa

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