Add switch to select between Qt4 and Qt5

src/Mod/Web/App/CMakeLists.txt

@@ -8,10 +8,20 @@ include_directories(
     ${XercesC_INCLUDE_DIRS}
 )
 
-set(Web_LIBS
-     FreeCADApp
-     ${QT_LIBRARIES}
-)
+if(BUILD_QT5)
+    include_directories(
+        ${Qt5Network_INCLUDE_DIRS}
+    )
+    set(Web_LIBS
+         FreeCADApp
+         ${Qt5Network_LIBRARIES}
+    )
+else()
+    set(Web_LIBS
+         FreeCADApp
+         ${QT_LIBRARIES}
+    )
+endif()
 
 set(Web_MOC_HDRS
     Server.h

src/Mod/Web/CMakeLists.txt

@@ -1,7 +1,9 @@
 
 add_subdirectory(App)
 if(BUILD_GUI)
-    add_subdirectory(Gui)
+    if(Qt5WebEngine_FOUND OR QT_QTWEBKIT_FOUND)
+        add_subdirectory(Gui)
+    endif()
 endif(BUILD_GUI)
 
 INSTALL(

src/Mod/Web/Gui/CMakeLists.txt

@@ -11,7 +11,17 @@ set(WebGui_LIBS
     FreeCADGui
 )
 
-qt4_add_resources(Web_QRC_SRCS Resources/Web.qrc)
+if(BUILD_QT5)
+    include_directories(
+        ${Qt5WebEngine_INCLUDE_DIRS}
+    )
+    list(APPEND WebGui_LIBS
+        ${Qt5WebEngine_LIBRARIES}
+    )
+    qt5_add_resources(Web_QRC_SRCS Resources/Web.qrc)
+else()
+    qt4_add_resources(Web_QRC_SRCS Resources/Web.qrc)
+endif()
 
 SET(WebGui_SRCS
     ${Web_QRC_SRCS}