--- CMakeLists.txt.old	2012-01-02 09:32:42.000000000 +0100
+++ CMakeLists.txt	2012-05-05 00:42:28.000000000 +0200
@@ -237,6 +237,8 @@
            test/Test.cpp
 )
 
+set(LIB_SUFFIX "" CACHE STRING "Define suffix of directory name (32/64)")
+
 add_definitions(-D_7ZIP_ST -DBZ_STRICT_ANSI)
 
 if(WIN32)
@@ -290,6 +292,6 @@
     set_target_properties(storm PROPERTIES OUTPUT_NAME StormLib)
 endif()
 
-install(TARGETS storm RUNTIME DESTINATION bin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib FRAMEWORK DESTINATION /Library/Frameworks)
+install(TARGETS storm RUNTIME DESTINATION bin LIBRARY DESTINATION lib${LIB_SUFFIX} ARCHIVE DESTINATION lib${LIB_SUFFIX} FRAMEWORK DESTINATION /Library/Frameworks)
 install(FILES src/StormLib.h src/StormPort.h DESTINATION include)