Qt4Macros: Handle Qt ActiveX libraries in qt4_use_modules.

These libraries have non-conventional variable names.

Modules/Qt4Macros.cmake

@@ -451,14 +451,22 @@ function(qt4_use_modules _target _link_type)
   endif()
   foreach(_module ${modules})
     string(TOUPPER ${_module} _ucmodule)
-    if (NOT QT_QT${_ucmodule}_FOUND)
-      message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
-    endif()
-    if ("${_ucmodule}" STREQUAL "MAIN")
-      message(FATAL_ERROR "Can not use \"${_module}\" module with qt4_use_modules.")
+    set(_targetPrefix QT_QT${_ucmodule})
+    if (_ucmodule STREQUAL QAXCONTAINER OR _ucmodule STREQUAL QAXSERVER)
+      if (NOT QT_Q${_ucmodule}_FOUND)
+        message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
+      endif()
+      set(_targetPrefix QT_Q${_ucmodule})
+    else()
+      if (NOT QT_QT${_ucmodule}_FOUND)
+        message(FATAL_ERROR "Can not use \"${_module}\" module which has not yet been found.")
+      endif()
+      if ("${_ucmodule}" STREQUAL "MAIN")
+        message(FATAL_ERROR "Can not use \"${_module}\" module with qt4_use_modules.")
+      endif()
     endif()
-    target_link_libraries(${_target} ${link_type} ${QT_QT${_ucmodule}_LIBRARY})
-    set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${QT_QT${_ucmodule}_INCLUDE_DIR} ${QT_HEADERS_DIR} ${QT_MKSPECS_DIR}/default)
-    set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${QT_QT${_ucmodule}_COMPILE_DEFINITIONS})
+    target_link_libraries(${_target} ${link_type} ${${_targetPrefix}_LIBRARIES})
+    set_property(TARGET ${_target} APPEND PROPERTY INCLUDE_DIRECTORIES ${${_targetPrefix}_INCLUDE_DIR} ${QT_HEADERS_DIR} ${QT_MKSPECS_DIR}/default)
+    set_property(TARGET ${_target} APPEND PROPERTY COMPILE_DEFINITIONS ${${_targetPrefix}_COMPILE_DEFINITIONS})
   endforeach()
 endfunction()