message: Patch for uberenv hdf5 on blueos.  Thanks Mike Collette!
diff: ##############################################################################
  from spack import *
  +import os
  class Hdf5(Package):
  @@ -81,6 +82,9 @@ class Hdf5(Package):
  # sanity check in configure, so this doesn't merit a variant.
  extra_args.append("--enable-unsupported")
  + if os.environ['SYS_TYPE'].find("blueos_3") == 0:
  + extra_args.append('ac_cv_build=powerpc64le-unknown-linux-gnu')
  +
  if '+debug' in spec:
  extra_args.append('--enable-debug=all')
  else:
  