[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          |
---------------------------+----------------------

Comment (by ryandesign):

 On buildbot builds, we see additional messages:

 {{{
 -- Could NOT find OpenMP_C (missing: OpenMP_C_FLAGS OpenMP_C_LIB_NAMES)
 -- Could NOT find OpenMP (missing: OpenMP_C_FOUND)
 -- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
 -- Could NOT find GLIB (missing: GLIB_INCLUDE_DIRS GLIB_LIBRARIES)
 }}}

 More dependencies may be needed, or flags to disable these features if
 their use is not desired.

 On a macOS 12 build it says:

 {{{
 -- Unable to determine svn version number for non-public release -
 ignoring.
 date: illegal option -- d
 usage: date [-jnRu] [-r seconds|file] [-v[+|-]val[ymwdHMS]]
             [-I[date | hours | minutes | seconds]]
             [-f fmt date | [[[mm]dd]HH]MM[[cc]yy][.ss]] [+format]
 }}}

 This is a slightly different message from `date`, pointing specifically to
 the `-d` flag being invalid, whereas on your presumably Mac OS X 10.6 or
 older build it has a different `date` that advertises a `-d` flag but not
 with the same meaning (described in its manpage as "Set the kernel's value
 for daylight saving time") as that in modern GNU `date` (described in its
 manpage as "display time described by STRING, not 'now'").

-- 
Ticket URL: <https://trac.macports.org/ticket/71306#comment:2>
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