cmake RUBY_HAS_NARRAY examples

shogun-toolbox/shogun cmake/FindRubyNArray.cmake :3 

EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r narray -e "print 'true'"
	OUTPUT_VARIABLE RUBY_HAS_NARRAY
	ERROR_QUIET)

shogun-toolbox/shogun cmake/FindRubyNArray.cmake :47 

FIND_PACKAGE_HANDLE_STANDARD_ARGS(RubyNArray DEFAULT_MSG
	RUBY_HAS_NARRAY RUBY_NARRAY_INCLUDE_DIR RUBY_NARRAY_LIBRARY)