+SET(HAVE_RUBY_H 0)
+SET(RUBY_PATH "non")
+find_program(FIND_EXE NAMES find)
+exec_program("${FIND_EXE} /usr/lib -name ruby.h" OUTPUT_VARIABLE RUBY_PATH)
+string(REPLACE "/ruby.h" "/" RUBY_PATH ${RUBY_PATH})
+#message("RUBY_PATH ${RUBY_PATH}")
+
+if(NOT disable_ruby AND RUBY_PATH)
+ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I${RUBY_PATH} -I${PROJECT_DIRECTORY}/src/bindings/ruby -I${PROJECT_DIRECTORY}/src/simix -fPIC ")
+ SET(HAVE_RUBY_H 1)
+endif(NOT disable_ruby AND RUBY_PATH)