configure.py 文件源码

def find_EXECUTABLES(Makefile, flags):
    '''
    See the doc-string for find_prefix as well.

    Set Makefile['EXECUTABLES'] if needed to.
    Depends (directly) on $(gamesdir) and $(bindir).
    Depends (indirectly) on $(prefix).
    '''
    if 'EXECUTABLES' not in Makefile:
        acceptable = os.getenv('PATH').split(':')
        for exec_dir in ('gamesdir', 'bindir'):
            if expand(exec_dir, Makefile) in acceptable:
                Makefile['EXECUTABLES'] = '$('+exec_dir+')'
                return False
        else:
            return True
    else:
        return False