diff '--color=auto' -ur a b
--- a/Source/WebKitLegacy/PlatformQt.cmake
+++ b/Source/WebKitLegacy/PlatformQt.cmake
@@ -530,5 +530,6 @@
     qt/WidgetSupport/QWidgetPluginImpl.cpp
     qt/WidgetSupport/QtFallbackWebPopup.cpp
     qt/WidgetSupport/QtWebComboBox.cpp
+    qt/WebCoreSupport/InitWebCoreQt.cpp
 )
 
diff '--color=auto' -ur a b
--- a/Source/cmake/OptionsQt.cmake
+++ b/Source/cmake/OptionsQt.cmake
@@ -663,6 +663,4 @@

     if (NOT SHARED_CORE)
-        set(CMAKE_C_FLAGS "-fvisibility=hidden ${CMAKE_C_FLAGS}")
-        set(CMAKE_CXX_FLAGS "-fvisibility=hidden -fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}")
     endif ()
 endif ()