public	new(tmpdir : named = /tmp, builddir : named = ./BUILD, bindir : named = ./binaries, srcdir : named = ./source, installdir : named = $ENV{GPT_INSTALL_LOCATION} or $ENV{GLOBUS_LOCATION})
public	_init()
public	_init_tmpdir()
public	create_dirs(mode : named)
public	_init_builddir()
public	_init_installdir()
public	cleanbuilddir()
public	cleantmp()