net-p2p:classified-ads-0.12:20180716-160841.log

net-p2p:classified-ads-0.12:20180716-160841.log (text/plain), 109.36 KB, created by Toralf Förster on 2018-07-16 17:20:35 UTC

 * Package:    net-p2p/classified-ads-0.12
 * Repository: gentoo
 * Maintainer: [e-mail] [e-mail]
 * Upstream:   [e-mail] https://github.com/operatornormal/classified-ads/issues
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking classified-ads-0.12.tar.gz to /var/tmp/portage/net-p2p/classified-ads-0.12/work
>>> Unpacking classified-ads-graphics-0.12.tar.gz to /var/tmp/portage/net-p2p/classified-ads-0.12/work
>>> Source unpacked in /var/tmp/portage/net-p2p/classified-ads-0.12/work
>>> Preparing source in /var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12 ...
 * Applying classified-ads-0.12-unit-tests.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12 ...
 * Running qmake ...
Info: creating stash file /var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12/.qmake.stash
Project MESSAGE: hardening flags for release build
Project MESSAGE: Tcl version 8.6
 [ ok ]
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12 ...
make -j1 
Makefile:4440: warning: overriding recipe for target 'install_appdata'
Makefile:4421: warning: ignoring old recipe for target 'install_appdata'
Makefile:4445: warning: overriding recipe for target 'uninstall_appdata'
Makefile:4426: warning: ignoring old recipe for target 'uninstall_appdata'
cd po ; make
make[1]: Entering directory '/var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12/po'
msgfmt fi.po -o fi.mo
msgfmt sv.po -o sv.mo
msgfmt da.po -o da.mo
msgfmt uk.po -o uk.mo
msgfmt de.po -o de.mo
msgfmt es.po -o es.mo
make[1]: Leaving directory '/var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12/po'
/usr/lib64/qt5/bin/uic frontWidget.ui -o ui_frontWidget.h
/usr/lib64/qt5/bin/uic ui/profileReadersDialog.ui -o ui_profileReadersDialog.h
/usr/lib64/qt5/bin/uic ui/passwordDialog.ui -o ui_passwordDialog.h
/usr/lib64/qt5/bin/uic ui/newClassifiedAd.ui -o ui_newClassifiedAd.h
/usr/lib64/qt5/bin/uic ui/newPrivMsg.ui -o ui_newPrivMsg.h
/usr/lib64/qt5/bin/uic ui/editContact.ui -o ui_editContact.h
/usr/lib64/qt5/bin/uic ui/newProfileComment.ui -o ui_newProfileComment.h
/usr/lib64/qt5/bin/uic ui/profileCommentDisplay.ui -o ui_profileCommentDisplay.h
/usr/lib64/qt5/bin/uic ui/attachmentListDialog.ui -o ui_attachmentListDialog.h
/usr/lib64/qt5/bin/uic ui/settingsDialog.ui -o ui_settingsDialog.h
/usr/lib64/qt5/bin/uic ui/statusDialog.ui -o ui_statusDialog.h
/usr/lib64/qt5/bin/uic ui/manualConnectionDialog.ui -o ui_manualConnectionDialog.h
/usr/lib64/qt5/bin/uic ui/aboutDialog.ui -o ui_aboutDialog.h
/usr/lib64/qt5/bin/uic ui/searchDisplay.ui -o ui_searchDisplay.h
/usr/lib64/qt5/bin/uic ui/insertLink.ui -o ui_insertLink.h
/usr/lib64/qt5/bin/uic ui/newTextDocument.ui -o ui_newTextDocument.h
/usr/lib64/qt5/bin/uic ui/metadataQuery.ui -o ui_metadataQuery.h
/usr/lib64/qt5/bin/uic ui/callStatusDialog.ui -o ui_callStatusDialog.h
/usr/lib64/qt5/bin/uic ui/tclPrograms.ui -o ui_tclPrograms.h
/usr/lib64/qt5/bin/uic ui/tclConsole.ui -o ui_tclConsole.h
x86_64-pc-linux-gnu-g++ -c -O2 -pipe -march=native -Wall -W -D_REENTRANT -fPIC -DQT_NO_DEBUG -DQT_MULTIMEDIA_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_SQL_LIB -DQT_CORE_LIB -I. -isystem /usr/include/miniupnpc -isystem /usr/include/tcl8.6 -isystem /usr/include/tk -isystem /usr/include/tk8.6 -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtMultimedia -isystem /usr/include/qt5/QtPrintSupport -isystem /usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtGui -isystem /usr/include/qt5/QtNetwork -isystem /usr/include/qt5/QtSql -isystem /usr/include/qt5/QtCore -I. -isystem /usr/include/libdrm -I. -I/usr/lib64/qt5/mkspecs/linux-g++ -o main.o main.cpp
x86_64-pc-linux-gnu-g++ -c -O2 -pipe -march=native -Wall -W -D_REENTRANT -fPIC -DQT_NO_DEBUG -DQT_MULTIMEDIA_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_SQL_LIB -DQT_CORE_LIB -I. -isystem /usr/include/miniupnpc -isystem /usr/include/tcl8.6 -isystem /usr/include/tk -isystem /usr/include/tk8.6 -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtMultimedia -isystem /usr/include/qt5/QtPrintSupport -isystem /usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtGui -isystem /usr/include/qt5/QtNetwork -isystem /usr/include/qt5/QtSql -isystem /usr/include/qt5/QtCore -I. -isystem /usr/include/libdrm -I. -I/usr/lib64/qt5/mkspecs/linux-g++ -o controller.o controller.cpp
x86_64-pc-linux-gnu-g++ -c -O2 -pipe -march=native -Wall -W -D_REENTRANT -fPIC -DQT_NO_DEBUG -DQT_MULTIMEDIA_LIB -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_SQL_LIB -DQT_CORE_LIB -I. -isystem /usr/include/miniupnpc -isystem /usr/include/tcl8.6 -isystem /usr/include/tk -isystem /usr/include/tk8.6 -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtMultimedia -isystem /usr/include/qt5/QtPrintSupport -isystem /usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtGui -isystem /usr/include/qt5/QtNetwork -isystem /usr/include/qt5/QtSql -isystem /usr/include/qt5/QtCore -I. -isystem /usr/include/libdrm -I. -I/usr/lib64/qt5/mkspecs/linux-g++ -o FrontWidget.o FrontWidget.cpp
FrontWidget.cpp: In constructor ‘FrontWidget::FrontWidget(Controller*, QMainWindow&)’:
FrontWidget.cpp:162:68: error: invalid use of incomplete type ‘class QAction’
     iAddSharedFileAction = new QAction(tr("Add shared file.."),this) ;
                                                                    ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:163:91: error: invalid use of incomplete type ‘class QAction’
 redFileAction = new QAction(tr("Stop advertising selected shared file"),this) ;
                                                                             ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:164:73: error: invalid use of incomplete type ‘class QAction’
     iExportSharedFileAction = new QAction(tr("Save file to disk.."),this) ;
                                                                         ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:165:80: error: invalid use of incomplete type ‘class QAction’
 iViewSharedFileInfoAction = new QAction(tr("View file information.."), this)  ;
                                                                            ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:166:95: error: invalid use of incomplete type ‘class QAction’
 eHashAction = new QAction(tr("Copy file address (SHA1) to clipboard.."),this) ;
                                                                             ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:167:87: error: invalid use of incomplete type ‘class QAction’
 ewSharedFileAction = new QAction(tr("Edit+publish new text document.."),this) ;
                                                                             ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:182:46: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [23])’
             this, SLOT(fileToBeSharedAdded())) ;
                                              ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:182:46:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:182:46: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(fileToBeSharedAdded())) ;
                                              ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:182:46:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:182:46: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(fileToBeSharedAdded())) ;
                                              ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:182:46:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp:184:48: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [25])’
             this, SLOT(fileToBeSharedRemoved())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:184:48:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:184:48: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(fileToBeSharedRemoved())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:184:48:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:184:48: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(fileToBeSharedRemoved())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:184:48:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp:186:43: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [20])’
             this, SLOT(exportSharedFile())) ;
                                           ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:186:43:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:186:43: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(exportSharedFile())) ;
                                           ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:186:43:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:186:43: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(exportSharedFile())) ;
                                           ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:186:43:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp:188:45: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [22])’
             this, SLOT(viewSharedFileInfo()));
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:188:45:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:188:45: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(viewSharedFileInfo()));
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:188:45:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:188:45: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(viewSharedFileInfo()));
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:188:45:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp:190:45: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [22])’
             this, SLOT(copySharedFileHash())) ;
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:190:45:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:190:45: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(copySharedFileHash())) ;
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:190:45:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:190:45: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(copySharedFileHash())) ;
                                             ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:190:45:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp:192:44: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [21])’
             this, SLOT(editNewSharedFile())) ;
                                            ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:192:44:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:192:44: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(editNewSharedFile())) ;
                                            ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:192:44:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:192:44: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(editNewSharedFile())) ;
                                            ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:192:44:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp: In destructor ‘virtual FrontWidget::~FrontWidget()’:
FrontWidget.cpp:280:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iAddSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:280:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:280:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iAddSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:281:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iRemoveSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:281:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:281:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iRemoveSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:282:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iExportSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:282:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:282:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iExportSharedFileAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:283:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iViewSharedFileInfoAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:283:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:283:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iViewSharedFileInfoAction ;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:284:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iCopySharedFileHashAction;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:284:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:284:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iCopySharedFileHashAction;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:285:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iEditNewSharedFileAction;
            ^~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:285:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:285:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iEditNewSharedFileAction;
            ^~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:286:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iEditContactAction ;
            ^~~~~~~~~~~~~~~~~~
FrontWidget.cpp:286:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:286:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iEditContactAction ;
            ^~~~~~~~~~~~~~~~~~
FrontWidget.cpp:321:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iAddToContactsFromMsgList ;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:321:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:321:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iAddToContactsFromMsgList ;
            ^~~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:322:12: warning: possible problem detected in invocation of delete operator: [-Wdelete-incomplete]
     delete iAddToContactsFromCaList ;
            ^~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp:322:12: warning: invalid use of incomplete type ‘class QAction’
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:322:12: note: neither the destructor nor the class-specific operator delete will be called, even if they are declared when the class is defined
     delete iAddToContactsFromCaList ;
            ^~~~~~~~~~~~~~~~~~~~~~~~
FrontWidget.cpp: In member function ‘void FrontWidget::updateFileSelectionActions()’:
FrontWidget.cpp:1069:39: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(false) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1069:42: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(false) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1070:37: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(false) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1070:40: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(false) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1071:39: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(false) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1071:42: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(false) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1075:39: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(true) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1075:42: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(true) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1076:37: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(true) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1076:40: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(true) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1077:39: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(true) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1077:42: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(true) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1085:39: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(false) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1085:42: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(false) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1086:37: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(false) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1086:40: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(false) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1087:37: error: invalid use of incomplete type ‘class QAction’
             iRemoveSharedFileAction -> setEnabled(false) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1087:40: error: invalid use of incomplete type ‘class QAction’
             iRemoveSharedFileAction -> setEnabled(false) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1088:38: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction-> setEnabled(false) ;
                                      ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1088:41: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction-> setEnabled(false) ;
                                         ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1092:39: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(true) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1092:42: error: invalid use of incomplete type ‘class QAction’
             iCopySharedFileHashAction -> setEnabled(true) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1093:37: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(true) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1093:40: error: invalid use of incomplete type ‘class QAction’
             iExportSharedFileAction -> setEnabled(true) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1094:37: error: invalid use of incomplete type ‘class QAction’
             iRemoveSharedFileAction -> setEnabled(true) ;
                                     ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1094:40: error: invalid use of incomplete type ‘class QAction’
             iRemoveSharedFileAction -> setEnabled(true) ;
                                        ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1095:39: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(true) ;
                                       ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1095:42: error: invalid use of incomplete type ‘class QAction’
             iViewSharedFileInfoAction -> setEnabled(true) ;
                                          ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1100:35: error: invalid use of incomplete type ‘class QAction’
         iCopySharedFileHashAction -> setEnabled(false) ;
                                   ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1100:38: error: invalid use of incomplete type ‘class QAction’
         iCopySharedFileHashAction -> setEnabled(false) ;
                                      ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1101:33: error: invalid use of incomplete type ‘class QAction’
         iExportSharedFileAction -> setEnabled(false) ;
                                 ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1101:36: error: invalid use of incomplete type ‘class QAction’
         iExportSharedFileAction -> setEnabled(false) ;
                                    ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1102:33: error: invalid use of incomplete type ‘class QAction’
         iRemoveSharedFileAction -> setEnabled(false) ;
                                 ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1102:36: error: invalid use of incomplete type ‘class QAction’
         iRemoveSharedFileAction -> setEnabled(false) ;
                                    ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1103:35: error: invalid use of incomplete type ‘class QAction’
         iViewSharedFileInfoAction -> setEnabled(false) ;
                                   ^~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1103:38: error: invalid use of incomplete type ‘class QAction’
         iViewSharedFileInfoAction -> setEnabled(false) ;
                                      ^~~~~~~~~~
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp: In member function ‘void FrontWidget::setupContactsTab()’:
FrontWidget.cpp:1526:63: error: invalid use of incomplete type ‘class QAction’
     iEditContactAction = new QAction(tr("Edit contact.."),this) ;
                                                               ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1528:52: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [29])’
             this, SLOT(editContactActionSelected())) ;
                                                    ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1528:52:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1528:52: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(editContactActionSelected())) ;
                                                    ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1528:52:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1528:52: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(editContactActionSelected())) ;
                                                    ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1528:52:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp: In member function ‘void FrontWidget::setupClassifiedAdsTab()’:
FrontWidget.cpp:1631:90: error: invalid use of incomplete type ‘class QAction’
 tactsFromCaList = new QAction(tr("Add selected operator to contacts.."),this) ;
                                                                             ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1635:48: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [25])’
             this, SLOT(addCaSenderToContacts())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1635:48:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1635:48: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(addCaSenderToContacts())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1635:48:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1635:48: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(addCaSenderToContacts())) ;
                                                ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1635:48:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
FrontWidget.cpp: In member function ‘void FrontWidget::setupPrivateMessagesTab()’:
FrontWidget.cpp:1743:82: error: invalid use of incomplete type ‘class QAction’
 AddToContactsFromMsgList = new QAction(tr("Add selected to contacts.."),this) ;
                                                                             ^
In file included from /usr/include/qt5/QtWidgets/qdialog.h:44:0,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:47,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtWidgets/qwidget.h:68:7: note: forward declaration of ‘class QAction’
 class QAction;
       ^~~~~~~
FrontWidget.cpp:1747:53: error: no matching function for call to ‘FrontWidget::connect(QAction*&, const char [13], FrontWidget*, const char [30])’
             this, SLOT(addMessageSenderToContacts())) ;
                                                     ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:208:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const char*, const QObject*, const char*, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:208:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:211:36: note: candidate: static QMetaObject::Connection QObject::connect(const QObject*, const QMetaMethod&, const QObject*, const QMetaMethod&, Qt::ConnectionType)
     static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                    ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:211:36: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:463:32: note: candidate: QMetaObject::Connection QObject::connect(const QObject*, const char*, const char*, Qt::ConnectionType) const
 inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:463:32: note:   no known conversion for argument 1 from ‘QAction*’ to ‘const QObject*’
/usr/include/qt5/QtCore/qobject.h:228:43: note: candidate: template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType)
     static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal,
                                           ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:228:43: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static QMetaObject::Connection QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const typename QtPrivate::FunctionPointer<Func2>::Object*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1747:53:   required from here
/usr/include/qt5/QtCore/qobject.h:228:43: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
/usr/include/qt5/QtCore/qobject.h:260:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:260:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1747:53: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(addMessageSenderToContacts())) ;
                                                     ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:269:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:269:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(((int)(QtPrivate::FunctionPointer<Func2>::ArgumentCount) >= 0) && (! QtPrivate::FunctionPointer<Func2>::IsPointerToMemberFunction)), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1747:53:   required from here
/usr/include/qt5/QtCore/qobject.h:269:13: error: no type named ‘type’ in ‘struct std::enable_if<false, QMetaObject::Connection>’
/usr/include/qt5/QtCore/qobject.h:300:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, Func2)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 slot)
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:300:13: note:   template argument deduction/substitution failed:
FrontWidget.cpp:1747:53: note:   candidate expects 3 arguments, 4 provided
             this, SLOT(addMessageSenderToContacts())) ;
                                                     ^
In file included from /usr/include/qt5/QtCore/qiodevice.h:45:0,
                 from /usr/include/qt5/QtCore/qfiledevice.h:43,
                 from /usr/include/qt5/QtCore/qfile.h:44,
                 from /usr/include/qt5/QtCore/qfileinfo.h:43,
                 from /usr/include/qt5/QtCore/qdir.h:44,
                 from /usr/include/qt5/QtWidgets/qfiledialog.h:44,
                 from /usr/include/qt5/QtWidgets/QFileDialog:1,
                 from FrontWidget.cpp:21:
/usr/include/qt5/QtCore/qobject.h:308:13: note: candidate: template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType)
             connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const QObject *context, Func2 slot,
             ^~~~~~~
/usr/include/qt5/QtCore/qobject.h:308:13: note:   template argument deduction/substitution failed:
/usr/include/qt5/QtCore/qobject.h: In substitution of ‘template<class Func1, class Func2> static typename std::enable_if<(QtPrivate::FunctionPointer<Func2>::ArgumentCount == -1), QMetaObject::Connection>::type QObject::connect(const typename QtPrivate::FunctionPointer<Func>::Object*, Func1, const QObject*, Func2, Qt::ConnectionType) [with Func1 = const char*; Func2 = const char*]’:
FrontWidget.cpp:1747:53:   required from here
/usr/include/qt5/QtCore/qobject.h:308:13: error: no type named ‘Object’ in ‘struct QtPrivate::FunctionPointer<const char*>’
make: *** [Makefile:2631: FrontWidget.o] Error 1
 * ERROR: net-p2p/classified-ads-0.12::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-p2p/classified-ads-0.12::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-p2p/classified-ads-0.12::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-p2p:classified-ads-0.12:20180716-160841.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-p2p/classified-ads-0.12/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-p2p/classified-ads-0.12/temp/environment'.
 * Working directory: '/var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12'
 * S: '/var/tmp/portage/net-p2p/classified-ads-0.12/work/classified-ads-0.12'