message: Upgrades axoms mfem TPL to v4.0
diff: @@ -65,10 +65,14 @@ class Mfem(Package):
  version('develop',
  git='https://github.com/mfem/mfem', branch='master')
  + version('4.0',
  + 'acbc9ca4398f3cc19762abdc47654607',
  + url='https://bit.ly/mfem-4-0', extension='.tar.gz',
  + preferred=True)
  +
  version('3.4.0',
  '4e73e4fe0482636de3c5dc983cd395839a83cb16f6f509bd88b053e8b3858e05',
  - url='https://bit.ly/mfem-3-4', extension='.tar.gz',
  - preferred=True)
  + url='https://bit.ly/mfem-3-4', extension='.tar.gz')
  version('3.3.2',
  'b70fa3c5080b9ec514fc05f4a04ff74322b99ac4ecd6d99c229f0ed5188fc0ce',
  