cmake: use cpack to create archives

CMakeCPack.cmake

@@ -0,0 +1,17 @@
+set(CPACK_PACKAGE_NAME "${CMAKE_PROJECT_NAME}")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "OpenRW 'Open ReWrite' is an un-official open source recreation of the classic Grand Theft Auto III game executable")
+set(CPACK_PACKAGE_VENDOR "openrw")
+
+# FIXME: better description of the project
+set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
+string(SUBSTRING "${GIT_SHA1}" 0 8 GIT_SHA1_SHORT)
+set(CPACK_PACKAGE_VERSION "${GIT_SHA1_SHORT}")
+set(CPACK_PACKAGE_INSTALL_DIRECTORY "${CPACK_PACKAGE_NAME}")
+set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${GIT_SHA1_SHORT}")
+
+set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${GIT_SHA1_SHORT}")
+
+# set(CPACK_PROJECT_CONFIG_FILE "${CMAKE_CURRENT_SOURCE_DIR}/CMakeCPackOptions.cmake")
+
+include(CPack)

CMakeLists.txt

@@ -48,3 +48,5 @@ install(FILES COPYING
 file(COPY COPYING
     DESTINATION "${PROJECT_BINARY_DIR}"
     )
+
+include(CMakeCPack.cmake)