make[3]: Entering directory `/tmp/yaourt-tmp-pouar/aur-lightdm-devel/src/lightdm-1.7.4/liblightdm-qt'
  CXXLD    liblightdm-qt-3.la
  CXX      liblightdm_qt5_3_la-greeter.lo
  CXX      liblightdm_qt5_3_la-power.lo
  CXX      liblightdm_qt5_3_la-sessionsmodel.lo
In file included from power.cpp:175:0:
power_moc5.cpp:13:2: error: #error "This file was generated using the moc from 4.8.5. It"
 #error "This file was generated using the moc from 4.8.5. It"
  ^
power_moc5.cpp:14:2: error: #error "cannot be used with the include files from this version of Qt."
 #error "cannot be used with the include files from this version of Qt."
  ^
power_moc5.cpp:15:2: error: #error "(The moc has changed too much.)"
 #error "(The moc has changed too much.)"
  ^
In file included from sessionsmodel.cpp:150:0:
sessionsmodel_moc5.cpp:13:2: error: #error "This file was generated using the moc from 4.8.5. It"
 #error "This file was generated using the moc from 4.8.5. It"
  ^
sessionsmodel_moc5.cpp:14:2: error: #error "cannot be used with the include files from this version of Qt."
 #error "cannot be used with the include files from this version of Qt."
  ^
sessionsmodel_moc5.cpp:15:2: error: #error "(The moc has changed too much.)"
 #error "(The moc has changed too much.)"
  ^
In file included from greeter.cpp:256:0:
greeter_moc5.cpp:13:2: error: #error "This file was generated using the moc from 4.8.5. It"
 #error "This file was generated using the moc from 4.8.5. It"
  ^
greeter_moc5.cpp:14:2: error: #error "cannot be used with the include files from this version of Qt."
 #error "cannot be used with the include files from this version of Qt."
  ^
greeter_moc5.cpp:15:2: error: #error "(The moc has changed too much.)"
 #error "(The moc has changed too much.)"
  ^
  CXX      liblightdm_qt5_3_la-usersmodel.lo
power_moc5.cpp:73:7: error: ‘QMetaObjectExtraData’ does not name a type
 const QMetaObjectExtraData QLightDM::PowerInterface::staticMetaObjectExtraData = {
       ^
power_moc5.cpp:79:47: error: ‘staticMetaObjectExtraData’ was not declared in this scope
       qt_meta_data_QLightDM__PowerInterface, &staticMetaObjectExtraData }
                                               ^
power_moc5.cpp: In member function ‘virtual const QMetaObject* QLightDM::PowerInterface::metaObject() const’:
power_moc5.cpp:88:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast
     return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject;
                                                                       ^
sessionsmodel_moc5.cpp:59:7: error: ‘QMetaObjectExtraData’ does not name a type
 const QMetaObjectExtraData QLightDM::SessionsModel::staticMetaObjectExtraData = {
       ^
sessionsmodel_moc5.cpp:65:46: error: ‘staticMetaObjectExtraData’ was not declared in this scope
       qt_meta_data_QLightDM__SessionsModel, &staticMetaObjectExtraData }
                                              ^
sessionsmodel_moc5.cpp: In member function ‘virtual const QMetaObject* QLightDM::SessionsModel::metaObject() const’:
sessionsmodel_moc5.cpp:74:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast
     return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject;
                                                                       ^
In file included from usersmodel.cpp:250:0:
usersmodel_moc5.cpp:13:2: error: #error "This file was generated using the moc from 4.8.5. It"
 #error "This file was generated using the moc from 4.8.5. It"
  ^
make[3]: *** [liblightdm_qt5_3_la-power.lo] Error 1
make[3]: *** Waiting for unfinished jobs....
usersmodel_moc5.cpp:14:2: error: #error "cannot be used with the include files from this version of Qt."
 #error "cannot be used with the include files from this version of Qt."
  ^
usersmodel_moc5.cpp:15:2: error: #error "(The moc has changed too much.)"
 #error "(The moc has changed too much.)"
  ^
In file included from greeter.cpp:256:0:
greeter_moc5.cpp:131:7: error: ‘QMetaObjectExtraData’ does not name a type
 const QMetaObjectExtraData QLightDM::Greeter::staticMetaObjectExtraData = {
       ^
greeter_moc5.cpp:137:40: error: ‘staticMetaObjectExtraData’ was not declared in this scope
       qt_meta_data_QLightDM__Greeter, &staticMetaObjectExtraData }
                                        ^
greeter_moc5.cpp: In member function ‘virtual const QMetaObject* QLightDM::Greeter::metaObject() const’:
greeter_moc5.cpp:146:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast
     return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject;
                                                                       ^
make[3]: *** [liblightdm_qt5_3_la-sessionsmodel.lo] Error 1
make[3]: *** [liblightdm_qt5_3_la-greeter.lo] Error 1
usersmodel_moc5.cpp:63:7: error: ‘QMetaObjectExtraData’ does not name a type
 const QMetaObjectExtraData QLightDM::UsersModel::staticMetaObjectExtraData = {
       ^
usersmodel_moc5.cpp:69:43: error: ‘staticMetaObjectExtraData’ was not declared in this scope
       qt_meta_data_QLightDM__UsersModel, &staticMetaObjectExtraData }
                                           ^
usersmodel_moc5.cpp: In member function ‘virtual const QMetaObject* QLightDM::UsersModel::metaObject() const’:
usersmodel_moc5.cpp:78:71: error: conditional expression between distinct pointer types ‘QDynamicMetaObjectData*’ and ‘const QMetaObject*’ lacks a cast
     return QObject::d_ptr->metaObject ? QObject::d_ptr->metaObject : &staticMetaObject;
                                                                       ^
make[3]: *** [liblightdm_qt5_3_la-usersmodel.lo] Error 1
make[3]: Leaving directory `/tmp/yaourt-tmp-pouar/aur-lightdm-devel/src/lightdm-1.7.4/liblightdm-qt'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/tmp/yaourt-tmp-pouar/aur-lightdm-devel/src/lightdm-1.7.4/liblightdm-qt'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/yaourt-tmp-pouar/aur-lightdm-devel/src/lightdm-1.7.4'
make: *** [all] Error 2
==> ERROR: A failure occurred in build().
    Aborting...