diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,101 @@
-project (LEMON)
-enable_testing ()
-add_subdirectory (lemon)
-add_subdirectory (demo)
-add_subdirectory (test)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+
+#EXECUTE_PROCESS(
+#  COMMAND hg id -i
+#  OUTPUT_VARIABLE HG_REVISION
+#  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+SET(PROJECT_NAME "Lemon")
+SET(PROJECT_VERSION_MAJOR "0")
+SET(PROJECT_VERSION_MINOR "99")
+SET(PROJECT_VERSION_PATCH "0")
+SET(PROJECT_VERSION
+  "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
+
+PROJECT(${PROJECT_NAME})
+
+SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
+INCLUDE(FindDoxygen)
+INCLUDE(FindGhostscript)
+
+ENABLE_TESTING()
+
+ADD_SUBDIRECTORY(lemon)
+ADD_SUBDIRECTORY(demo)
+ADD_SUBDIRECTORY(doc)
+ADD_SUBDIRECTORY(test)
+
+IF(WIN32)
+  INSTALL(FILES ${CMAKE_SOURCE_DIR}/cmake/nsis/lemon.ico
+    DESTINATION bin)
+ENDIF(WIN32)
+
+IF(WIN32)
+  SET(CPACK_PACKAGE_NAME ${PROJECT_NAME})
+  SET(CPACK_PACKAGE_VENDOR
+    "EGRES - Egervary Research Group on Combinatorial Optimization")
+  SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY
+    "Lemon - Library of Efficient Models and Optimization in Networks")
+  SET(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/LICENSE")
+
+  SET(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
+  SET(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
+  SET(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
+  SET(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
+
+  SET(CPACK_PACKAGE_INSTALL_DIRECTORY
+    "${PROJECT_NAME} ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
+  SET(CPACK_PACKAGE_INSTALL_REGISTRY_KEY
+    "${PROJECT_NAME} ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
+
+  # Variables to generate a component-based installer.
+  #SET(CPACK_COMPONENTS_ALL headers library html_documentation)
+
+  #SET(CPACK_COMPONENT_HEADERS_DISPLAY_NAME "C++ headers")
+  #SET(CPACK_COMPONENT_LIBRARY_DISPLAY_NAME "Static library")
+  #SET(CPACK_COMPONENT_HTML_DOCUMENTATION_DISPLAY_NAME "HTML documentation")
+
+  #SET(CPACK_COMPONENT_HEADERS_DESCRIPTION
+  #  "C++ header files for use with the Lemon library")
+  #SET(CPACK_COMPONENT_LIBRARY_DESCRIPTION
+  #  "Static library used to build programs with Lemon")
+  #SET(CPACK_COMPONENT_HTML_DOCUMENTATION_DESCRIPTION
+  #  "Doxygen generated documentation")
+
+  #SET(CPACK_COMPONENT_HEADERS_DEPENDS library)
+
+  #SET(CPACK_COMPONENT_HEADERS_GROUP "Development")
+  #SET(CPACK_COMPONENT_LIBRARY_GROUP "Development")
+  #SET(CPACK_COMPONENT_HTML_DOCUMENTATION_GROUP "Documentation")
+
+  #SET(CPACK_COMPONENT_GROUP_DEVELOPMENT_DESCRIPTION
+  #  "Components needed to develop software using Lemon")
+  #SET(CPACK_COMPONENT_GROUP_DOCUMENTATION_DESCRIPTION
+  #  "Documentation of Lemon")
+
+  #SET(CPACK_ALL_INSTALL_TYPES Full Developer)
+
+  #SET(CPACK_COMPONENT_HEADERS_INSTALL_TYPES Developer Full)
+  #SET(CPACK_COMPONENT_LIBRARY_INSTALL_TYPES Developer Full)
+  #SET(CPACK_COMPONENT_HTML_DOCUMENTATION_INSTALL_TYPES Full)
+
+  SET(CPACK_GENERATOR "NSIS")
+  SET(CPACK_NSIS_MUI_ICON "${CMAKE_SOURCE_DIR}/cmake/nsis/lemon.ico")
+  SET(CPACK_NSIS_MUI_UNIICON "${CMAKE_SOURCE_DIR}/cmake/nsis/uninstall.ico")
+  #SET(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/cmake/nsis\\\\installer.bmp")
+  SET(CPACK_NSIS_INSTALLED_ICON_NAME "bin\\\\lemon.ico")
+  SET(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY} ${PROJECT_NAME}")
+  SET(CPACK_NSIS_HELP_LINK "http:\\\\\\\\lemon.cs.elte.hu")
+  SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\lemon.cs.elte.hu")
+  SET(CPACK_NSIS_CONTACT "lemon-user@lemon.cs.elte.hu")
+  SET(CPACK_NSIS_CREATE_ICONS_EXTRA "
+    CreateShortCut \\\"$SMPROGRAMS\\\\$STARTMENU_FOLDER\\\\Documentation.lnk\\\" \\\"$INSTDIR\\\\doc\\\\index.html\\\"
+    ")
+  SET(CPACK_NSIS_DELETE_ICONS_EXTRA "
+    !insertmacro MUI_STARTMENU_GETFOLDER Application $MUI_TEMP
+    Delete \\\"$SMPROGRAMS\\\\$MUI_TEMP\\\\Documentation.lnk\\\"
+    ")
+
+  INCLUDE(CPack)
+ENDIF(WIN32)