[MacPorts] #37686: hdf5-18: Upgrade to latest & bump dependents

[MacPorts]

#37686: hdf5-18: Upgrade to latest & bump dependents
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 Reporter:  eborisch@…  |      Owner:  eborisch@…
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.1.2
 Keywords:  haspatch    |       Port:  hdf5-18
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 hdf5-18 is ready to be upgraded. I've included a patch that rev-bumps all
 the dependents. (As you probably recall, HDF5 spits out nasty messages
 when run with a different version of the library than compiled against.)

 Please take a moment to review / comment and I'll plan on commiting this
 bulk change On 1/20/2013 if there have been no concerns raised.

 Note the hdf5-18 portion also sets clang as the compiler as llvm-gcc-4.2
 generated code is failing the type conversion tests.

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Ticket URL: <https://trac.macports.org/ticket/37686>
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