code: def build_scala(app):
      
      if any(v in _BUILD_VER for v in ['1.2.', '1.3.', '1.4.']):
          _run_cmd("cd %s/.. && make scalapkg" % app.builder.srcdir)
          _run_cmd("cd %s/.. && make scalainstall" % app.builder.srcdir)
      else:
          _run_cmd("cd %s/../scala-package && mvn -B install -DskipTests" % app.builder.srcdir)
docs: build scala for scala docs, java docs, and clojure docs to use