[MacPorts] #41203: gmt5 update to 5.1.0 and related packages

[MacPorts]

#41203: gmt5 update to 5.1.0 and related packages
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  Reporter:  florian@…                     |      Owner:  macports-
      Type:  submission                    |  tickets@…
  Priority:  Normal                        |     Status:  new
 Component:  ports                         |  Milestone:
Resolution:                                |    Version:  2.2.1
      Port:  gmt5, gshhg-gmt-nc4, dcw-gmt  |   Keywords:  haspatch
                                           |  maintainer
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Comment (by florian@…):

 All right, it seems the issues above were resolved in r112944 (see #41142
 and #40648). What remains is that CMake's default release flags are `-O3
 -DNDEBUG` and not `-Os -DNDEBUG`. Also, CMake's debug flags do not include
 optimization at all. With the cmake portgroup we get `-Os` which is not
 helpful. I work around this with:
 {{{
 if {[variant_isset debug]} {
     configure.optflags      -O0
 } else {
     configure.optflags      -O3
 }
 }}}
 Modified Portfile patch attached (attachment:Portfile-gmt5-v2.diff).

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Ticket URL: <https://trac.macports.org/ticket/41203#comment:4>
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