I'm using git version, and since two days or so, when I want to play a video, it is opened in a window, outside of the main one.
When I launch vlc using command line, I got these errors :
[0x2467ef8] qt4 interface error: Unable to load extensions module
Fontconfig warning: FcPattern object size does not accept value "0"
Fontconfig warning: FcPattern object size does not accept value "0"
Fontconfig warning: FcPattern object size does not accept value "0"
Fontconfig warning: FcPattern object size does not accept value "0"
[0x7fb40c001248] main vout display error: Failed to resize display
[0x7fb40c001db8] xcb_window window error: X server failure
[0x7fb40c001248] main vout display error: Failed to resize display
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configure:46841: $PKG_CONFIG --exists --print-errors "libchromaprint >= 0.6.0"configure:46844: $? = 0configure:46896: result: yesconfigure:46958: checking for QTconfigure:46965: $PKG_CONFIG --exists --print-errors "QtCore >= 5 QtWidgets QtGui"Requested 'QtCore >= 5' but version of Qtcore is 4.8.5Package QtWidgets was not found in the pkg-config search path.Perhaps you should add the directory containing `QtWidgets.pc'to the PKG_CONFIG_PATH environment variableNo package 'QtWidgets' foundconfigure:46968: $? = 1configure:46982: $PKG_CONFIG --exists --print-errors "QtCore >= 5 QtWidgets QtGui"Requested 'QtCore >= 5' but version of Qtcore is 4.8.5Package QtWidgets was not found in the pkg-config search path.Perhaps you should add the directory containing `QtWidgets.pc'to the PKG_CONFIG_PATH environment variableNo package 'QtWidgets' foundconfigure:46985: $? = 1configure:46999: result: noRequested 'QtCore >= 5' but version of Qtcore is 4.8.5No package 'QtWidgets' foundconfigure:47018: checking for QTconfigure:47025: $PKG_CONFIG --exists --print-errors "QtCore QtGui >= 4.6.0"configure:47028: $? = 0configure:47042: $PKG_CONFIG --exists --print-errors "QtCore QtGui >= 4.6.0"configure:47045: $? = 0configure:47107: result: yesconfigure:47258: checking whether Qt uses Xlibconfigure:47270: g++ -E -D_FORTIFY_SOURCE=2 -DQT_SHARED -I/usr/include/qt4 -I/usr/include/qt4/QtGui -I/usr/include/qt4 -I/usr/include/qt4/QtCore conftest.cppIn file included from /usr/include/c++/4.8.1/x86_64-unknown-linux-gnu/bits/os_defines.h:39:0, from /usr/include/c++/4.8.1/x86_64-unknown-linux-gnu/bits/c++config.h:426, from /usr/include/c++/4.8.1/utility:68, from /usr/include/c++/4.8.1/algorithm:60, from /usr/include/qt4/QtCore/qglobal.h:68, from /usr/include/qt4/QtCore/qnamespace.h:45, from /usr/include/qt4/QtCore/qobjectdefs.h:45, from /usr/include/qt4/QtGui/qwindowdefs.h:45, from /usr/include/qt4/QtGui/qwidget.h:46, from /usr/include/qt4/QtGui/QWidget:1,