[MacPorts] #71306: gmt5 fails to configure upon latest revbump

[MacPorts]

#71306: gmt5 fails to configure upon latest revbump
---------------------------+----------------------
  Reporter:  barracuda156  |      Owner:  remkos
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.10.4
Resolution:                |   Keywords:
      Port:  gmt5          |
---------------------------+----------------------
Changes (by ryandesign):

 * owner:  (none) => remkos
 * cc: remkos (removed)
 * status:  new => assigned


Comment:

 Replying to [ticket:71306 barracuda156]:
 > {{{
 > usage: date [-jnu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]]
 ...
 >             [-f fmt date | [[[mm]dd]HH]MM[[cc]yy][.ss]] [+format]
 > }}}

 This presumably occurs because it is using a flag which macOS `date` does
 not understand.

 This code path is only used when `SOURCE_DATE_EPOCH` is defined. MacPorts
 2.10.0 and later defines `SOURCE_DATE_EPOCH`.

 The code that uses `date` was removed from the 5.4 branch in
 [https://github.com/GenericMappingTools/gmt/commit/6d05fcea53e2611dc5741f20ffcf066f7be8f695
 this commit]; maybe adding that to the port is the solution.

 > {{{
 > -- Could NOT find Sphinx (missing: SPHINX_EXECUTABLE)
 > }}}

 Not sure if this is the true error or whether it is caused by the `date`
 problem above.

 If it requires sphinx, a dependency will need to be added.

-- 
Ticket URL: <https://trac.macports.org/ticket/71306#comment:1>
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