[MacPorts] #51600: hdf4, hdf5, hdf5-18: h4cc, h5cc, h5c++, h5cc-18, h5c++-18 contain directives to use ccache

[MacPorts]

#51600: hdf4, hdf5, hdf5-18: h4cc, h5cc, h5c++, h5cc-18, h5c++-18 contain
directives to use ccache
----------------------------------+-----------------------
  Reporter:  ryandesign@…         |      Owner:  takeshi@…
      Type:  defect               |     Status:  new
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.3.99
Resolution:                       |   Keywords:
      Port:  hdf4, hdf5, hdf5-18  |
----------------------------------+-----------------------

Comment (by takeshi@…):

 With ccache {{{CC}}} is set {{{ccache ${configiure.cc}}}}. I couldn't
 figure out which environmental variable contains the path to C compiler
 without {{{ccache}}}. So I simply remove the string {{{ccache }}} in
 {{{h4cc}}} or in {{{h5cc}}}. Stopped using {{{h4cc}}} in {{{hdfeos}}}.
 Left {{{hdfeos5}}} as it is because of MPI variants. Done in r149527.

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Ticket URL: <https://trac.macports.org/ticket/51600#comment:3>
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