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XWin -multiwindow & export DISPLAY=:0.0 xclock & and I see the clock, so X is up and running. Then: /usr/lib/qt5/examples/gui/analogclock/analogclockQXcbConnection: XCB error: 145 (Unknown), sequence: 162, resource id: 0, major c
ode: 140 (Unknown), minor code: 20 Bad system call (core dumped) and no clock. I've tried compiling a really trivial Qt5 example (attached):g++ -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui \
-o qt5-demo qt5-demo.cpp -lQt5Widgets -lQt5Core And then running ./qt5-demo gives: QObject::connect: signal not found in QPushButton QObject::connect: signal not found in QWidget QObject::connect: signal not found in QWidgetQXcbConnection: XCB error: 145 (Unknown), sequence: 162, resource id: 0, major
code: 140 (Unknown), minor code: 20 Bad system call (core dumped)The demo runs fine in Fedora 21. It also runs in Cygwin when compiled with Qt4:
g++ -I/usr/include/qt4 -I/usr/include/qt4/QtGui -o qt5-demo qt5-demo.cpp \
-lQtGui -lQtCoreAnd now running the (incorrectly-named!) ./qt5-demo launches the application.
Please could you advise what I'm doing wrong. Many thanks in advance, Dave.
Attachment:
qt5-demo.cpp
Description: Text document
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