-option(enable_ruby "Whether the Ruby bindings are activated." off)
-else(WIN32 OR APPLE)
-option(enable_smpi "This variable set smpi lib." on)
-option(enable_lua "Whether the lua bindings are activated." on)
-option(enable_ruby "Whether the Ruby bindings are activated." on)
-endif(WIN32 OR APPLE)
-option(enable_doc "Whether we should rebuild the documentation" off)
-option(enable_compile_optimizations "" on)