===================================================================
--- CMakeLists.txt      (revision 959)
+++ CMakeLists.txt      (working copy)
@@ -67,12 +67,21 @@
   endif(CMAKE_COMPILER_2005)
 endif(MSVC)

-SET(SIM_ICONS_DIR  icons)
-SET(SIM_PICT_DIR   pict)
-SET(SIM_PLUGIN_DIR plugins)
-SET(SIM_I18N_DIR   po)
-SET(SIM_SOUND_DIR  sounds)
-SET(SIM_STYLES_DIR styles)
+IF(WIN32)
+  SET(SIM_PLUGIN_DIR plugins)
+  SET(SIM_ICONS_DIR  icons)
+  SET(SIM_PICT_DIR   pict)
+  SET(SIM_I18N_DIR   po)
+  SET(SIM_SOUND_DIR  sounds)
+  SET(SIM_STYLES_DIR styles)
+ELSE(WIN32)
+  SET(SIM_PLUGIN_DIR ${CMAKE_INSTALL_PREFIX}/lib/sim)
+  SET(SIM_DATA_DIR   ${CMAKE_INSTALL_PREFIX}/share/apps/sim)
+  SET(SIM_ICONS_DIR  ${SIM_DATA_DIR}/icons)
+  SET(SIM_PICT_DIR   ${SIM_DATA_DIR}/pict)
+  SET(SIM_SOUND_DIR  ${SIM_DATA_DIR}/sounds)
+  SET(SIM_STYLES_DIR ${SIM_DATA_DIR}/styles)
+ENDIF(WIN32)

 # subdirectories
 ADD_SUBDIRECTORY(sim)