[MacPorts] #57816: libre @0.6.0: Undefined symbols when linking libre.dylib

[MacPorts]

#57816: libre @0.6.0: Undefined symbols when linking libre.dylib
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  alfredh
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  mojave
      Port:  libre       |
-------------------------+----------------------

Comment (by ryandesign):

 We could do that... but it looks like the build system has a variable
 `SYSROOT` that can be set to the directory that contains the system
 includes. It defaults to /usr. You could set it to
 `${configure.sdkroot}/usr` if `${configure.sdkroot}` is not empty:

 {{{
 if {${configure.sdkroot} ne ""} {
     build.args-append SYSROOT="${configure.sdkroot}/usr"
 }
 }}}

 Could we try that instead?

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Ticket URL: <https://trac.macports.org/ticket/57816#comment:4>
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