[MacPorts] #56977: hdf5 +gcc8 build failure in H5detect.c

[MacPorts]

#56977: hdf5 +gcc8 build failure in H5detect.c
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  Reporter:  mf2k    |      Owner:  mamoll
      Type:  defect  |     Status:  closed
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:  fixed   |   Keywords:
      Port:  hdf5    |
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Comment (by Dave-Allured):

 Thanks Mark for your quick response.

 Also this bug in H5detect.c is fixed in pre-release HDF5 1.10.3-pre1.
 Bottom line, gcc8 is more pedantic than gcc7 about the position of
 attributes in function declarations.

 https://portal.hdfgroup.org/display/support/Downloads

 ... However I am not suggesting that this port be updated to the pre-
 release.  Just wait for the official 1.10.3 release, and Mark's patch
 should be fine in the meantime.

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Ticket URL: <https://trac.macports.org/ticket/56977#comment:4>
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