[MacPorts] #57170: macvim +huge fails to build under OS X Mojave

[MacPorts]

#57170: macvim +huge fails to build under OS X Mojave
-----------------------------+----------------------
  Reporter:  MaurizioLoreti  |      Owner:  raimue
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.5.3
Resolution:                  |   Keywords:  mojave
      Port:  MacVim          |
-----------------------------+----------------------

Comment (by kencu):

 So there are two different issues with MacVim. The build failure is fixed
 by the small Portfile bit above, which we might as well commit.
 {{{
 + # this port does not build with the new xcode build system at present
 + if {[vercmp ${xcodeversion} 10.0] >= 0} {
 + build.args    XCODEFLAGS="CACHE_ROOT=${workpath}/caches
 -UseNewBuildSystem=NO"
 + }
 }}}

 MacVim is unusable after that build however. There are build issues
 against the 10.14 SDK being tracked here <https://github.com/macvim-
 dev/macvim/issues/751> and for which there are temporary workarounds while
 a fix is being finalized.

-- 
Ticket URL: <https://trac.macports.org/ticket/57170#comment:20>
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