hashdist/hashdist — pull request #202 by ahmadia (2014-03-10 19:16:50+00:00)
Title: Undefined parameters (null) are undefined

e.g.

pkgs/petsc.py

if stage_args['coptflags']:
conf_lines.append('COPTFLAGS=%s' % stage_args['coptflags'])

If coptflags is not defined in the profile, the condition evaluates to
False.