scala.py 文件源码

def configure(self):
    """
    Detect the scalac program
    """
    # If SCALA_HOME is set, we prepend it to the path list
    java_path = self.environ['PATH'].split(os.pathsep)
    v = self.env

    if 'SCALA_HOME' in self.environ:
        java_path = [os.path.join(self.environ['SCALA_HOME'], 'bin')] + java_path
        self.env['SCALA_HOME'] = [self.environ['SCALA_HOME']]

    for x in 'scalac scala'.split():
        self.find_program(x, var=x.upper(), path_list=java_path)

    if 'CLASSPATH' in self.environ:
        v['CLASSPATH'] = self.environ['CLASSPATH']

    v.SCALACFLAGS = ['-verbose']
    if not v['SCALAC']: self.fatal('scalac is required for compiling scala classes')