def _find_build_tool(toolname):
 return (_find_executable(toolname) or _read_output(('/usr/bin/xcrun -find %s' % (toolname,))) or '')

def _find_build_tool ( toolname ) : return ( _find_executable ( toolname ) or _read_output ( ( '/usr/bin/xcrun -find %s' % ( toolname , ) ) ) or '' )
find a build tool on current path or using xcrun .