--- a/hedgewars/CMakeLists.txt	Sun Sep 11 02:24:46 2011 +0200
+++ b/hedgewars/CMakeLists.txt	Sat Sep 10 21:02:34 2011 -0400
@@ -183,6 +183,8 @@
 
 
 add_custom_target(${engine_output_name} ALL DEPENDS "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}")
+add_custom_target(CLEAN COMMAND ${CMAKE_BUILD_TOOL} "clean" WORKING_DIRECTORY "${hedgewars_SOURCE_DIR}/hedgewars")
+add_dependencies(${engine_output_name} CLEAN)
 
 install(PROGRAMS "${EXECUTABLE_OUTPUT_PATH}/${engine_output_name}${CMAKE_EXECUTABLE_SUFFIX}" DESTINATION ${target_dir})