Some of the required modules (if(wince|embedded|x11):qtHaveModule(gui)) are not available.
Skipped.
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h: In member function ‘virtual QModbusReply* ModbusTcpClientPrivate::enqueueRequest(const QModbusRequest&, int, const QModbusDataUnit&, QModbusReply::ReplyType)’:
modbustcpclient_p.h:88:97: error: no matching function for call to ‘ModbusTcpClient::connect(ModbusTcpClient* const&, void (QModbusClient::*)(int), QTimer*, <unresolved overloaded function type>)’
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
In file included from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qobject.h:1:0,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qvariant.h:51,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qvariant.h:1,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/QVariant:1,
                 from .uic/ui_interface.h:12,
                 from mainwindow.h:44,
                 from modbustcpclient.cpp:41:
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:202:36: 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,
                                    ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:202:36: note:   no known conversion for argument 2 from ‘void (QModbusClient::*)(int)’ to ‘const char*’
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:205:36: 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,
                                    ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:205:36: note:   no known conversion for argument 2 from ‘void (QModbusClient::*)(int)’ to ‘const QMetaMethod&’
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:453:32: 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,
                                ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:453:32: note:   no known conversion for argument 2 from ‘void (QModbusClient::*)(int)’ to ‘const char*’
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:222:43: 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,
                                           ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:222:43: note:   template argument deduction/substitution failed:
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h:88:97: note:   couldn't deduce template parameter ‘Func2’
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
In file included from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qobject.h:1:0,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qvariant.h:51,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qvariant.h:1,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/QVariant:1,
                 from .uic/ui_interface.h:12,
                 from mainwindow.h:44,
                 from modbustcpclient.cpp:41:
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:254:13: note: candidate: template<class Func1, class Func2> static typename QtPrivate::QEnableIf<((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)
             ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:254:13: note:   template argument deduction/substitution failed:
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h:88:97: note:   candidate expects 3 arguments, 4 provided
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
In file included from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qobject.h:1:0,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qvariant.h:51,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qvariant.h:1,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/QVariant:1,
                 from .uic/ui_interface.h:12,
                 from mainwindow.h:44,
                 from modbustcpclient.cpp:41:
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:263:13: note: candidate: template<class Func1, class Func2> static typename QtPrivate::QEnableIf<(((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,
             ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:263:13: note:   template argument deduction/substitution failed:
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h:88:97: note:   couldn't deduce template parameter ‘Func2’
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
In file included from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qobject.h:1:0,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qvariant.h:51,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qvariant.h:1,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/QVariant:1,
                 from .uic/ui_interface.h:12,
                 from mainwindow.h:44,
                 from modbustcpclient.cpp:41:
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:294:13: note: candidate: template<class Func1, class Func2> static typename QtPrivate::QEnableIf<(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)
             ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:294:13: note:   template argument deduction/substitution failed:
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h:88:97: note:   candidate expects 3 arguments, 4 provided
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
In file included from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qobject.h:1:0,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qvariant.h:51,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/qvariant.h:1,
                 from /home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/QVariant:1,
                 from .uic/ui_interface.h:12,
                 from mainwindow.h:44,
                 from modbustcpclient.cpp:41:
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:302:13: note: candidate: template<class Func1, class Func2> static typename QtPrivate::QEnableIf<(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,
             ^
/home/tranter/ics/qt-everywhere-opensource-src-5.8.0-alpha/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:302:13: note:   template argument deduction/substitution failed:
In file included from modbustcpclient.cpp:43:0:
modbustcpclient_p.h:88:97: note:   couldn't deduce template parameter ‘Func2’
         q->connect(q, &QModbusClient::timeoutChanged, element.timer.data(), &QTimer::setInterval);
                                                                                                 ^
Makefile:2114: recipe for target '.obj/modbustcpclient.o' failed
make[5]: *** [.obj/modbustcpclient.o] Error 1
Makefile:94: recipe for target 'sub-adueditor-make_first' failed
make[4]: *** [sub-adueditor-make_first] Error 2
Makefile:68: recipe for target 'sub-modbus-make_first' failed
make[3]: *** [sub-modbus-make_first] Error 2
Makefile:42: recipe for target 'sub-serialbus-make_first' failed
make[2]: *** [sub-serialbus-make_first] Error 2
Makefile:69: recipe for target 'sub-examples-make_first' failed
make[1]: *** [sub-examples-make_first] Error 2
Makefile:229: recipe for target 'module-qtserialbus-make_first' failed
make: *** [module-qtserialbus-make_first] Error 2