[MacPorts] #56991: wine cannot be built against the 10.14 SDK

[MacPorts]

#56991: wine cannot be built against the 10.14 SDK
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  Reporter:  IComplainInComments             |      Owner:  ryandesign
      Type:  defect                          |     Status:  assigned
  Priority:  Low                             |  Milestone:
 Component:  ports                           |    Version:  2.5.3
Resolution:                                  |   Keywords:  mojave
      Port:  wine wine-devel wine-crossover  |
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Comment (by kencu):

 Just a few things.
 1. All our bazillion Portfile tests for ${os.version} would have to be
 changed to ${configure.macosx_deployment_target} or
 ${configure.macosx_sdk_version} instead to work properly...
 1. Be very careful not to overwrite your libc++.dylb! I'm pretty sure that
 SIP won't let you anyway.
 1. Installing against any MacPorts-installed library in the ${prefix} will
 work fine, but I wonder if there is any way to install software that links
 against (and uses) another version of libc++.dylib? That would be useful
 for a whole bunch of reasons, not the least of which would be building
 against the modified libc++ I made for 10.6.8...

 Always fun to make this system run circles...

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Ticket URL: <https://trac.macports.org/ticket/56991#comment:62>
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