ENH: Better QT4_EXTRACT_OPTIONS macro.

Modules/FindQt4.cmake

@@ -848,20 +848,21 @@ IF (QT4_QMAKE_FOUND)
   #
   ######################################
 
-  MACRO (QT4_EXTRACT_OPTIONS qt4_files qt4_options)
-    SET(${qt4_files} ${ARGN})
-    SET(${qt4_options})
-    LIST(FIND ${qt4_files} OPTIONS _index)
-    IF(NOT _index EQUAL -1)
-      LIST(REMOVE_ITEM ${qt4_files} OPTIONS)
-      LIST(LENGTH ${qt4_files} _length)
-      WHILE(_length GREATER ${_index})
-        LIST(GET ${qt4_files} ${_index} _opt_value)
-        LIST(REMOVE_AT ${qt4_files} ${_index})
-        LIST(APPEND ${qt4_options} ${_opt_value})
-        LIST(LENGTH ${qt4_files} _length)
-      ENDWHILE(_length GREATER ${_index})
-    ENDIF(NOT _index EQUAL -1)
+  MACRO (QT4_EXTRACT_OPTIONS _qt4_files _qt4_options)
+    SET(${_qt4_files})
+    SET(${_qt4_options})
+    SET(_QT4_DOING_OPTIONS FALSE)
+    FOREACH(_currentArg ${ARGN})
+      IF ("${_currentArg}" STREQUAL "OPTIONS")
+        SET(_QT4_DOING_OPTIONS TRUE)
+      ELSE ("${_currentArg}" STREQUAL "OPTIONS")
+        IF(_QT4_DOING_OPTIONS) 
+          LIST(APPEND ${_qt4_options} "${_currentArg}")
+        ELSE(_QT4_DOING_OPTIONS)
+          LIST(APPEND ${_qt4_files} "${_currentArg}")
+        ENDIF(_QT4_DOING_OPTIONS)
+      ENDIF ("${_currentArg}" STREQUAL "OPTIONS")
+    ENDFOREACH(_currentArg) 
   ENDMACRO (QT4_EXTRACT_OPTIONS)
 
   MACRO (QT4_GET_MOC_INC_DIRS _moc_INC_DIRS)