Control: tags -1 confirmed upstream Hi Thomas, On Sun, Dec 04, 2016 at 09:34:27PM +0100, Thomas Viehweger wrote: > Trying to compile lxqt-panel with g++-6 and qtbase5-dev_5.7.1 results in the following errors: > > /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h: In function ‘uint qCountTrailingZeroBits(quint16)’: > /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h:630:32: error: ‘__builtin_ctzs’ was not declared in this scope > return v ? __builtin_ctzs(v) : 16U; > ^ > /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h: In function ‘uint qCountLeadingZeroBits(quint16)’: > /usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h:693:32: error: ‘__builtin_clzs’ was not declared in this scope > return v ? __builtin_clzs(v) : 16U; > ^ > > This is because g++ removed __builtin_clzs and __builtin_ctzs. There is a potential fix for this at https://codereview.qt-project.org/175542, but unfortunately it needs some more work. I have just asked the upstream author about the status, if he does not reply in a few days, I will write my own patch and add it to the next Debian upload. -- Dmitry Shachnev
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