old_contents: class TarPackage (GnuPackage):
  	def __init__ (self):
  		GnuPackage.__init__ (self, 'tar', '1.26',
  			configure_flags = [
  				'--enable-nls=no'
  			],
  			override_properties = { 'build_dependency' : True }
  		)
  
  TarPackage ()
  
new_contents: class TarPackage (GnuPackage):
  	def __init__ (self):
  		GnuPackage.__init__ (self, 'tar', '1.26',
  			configure_flags = [
  				'--enable-nls=no',
  				'gl_cv_func_getcwd_abort_bug=no'
  			],
  			override_properties = { 'build_dependency' : True }
  		)
  
  TarPackage ()
  
subject: Disable gl_cv_func_getcwd_abort_bug in configure