[MacPorts] #55441: libcxx, libcxxabi: also install into the SDKs

[MacPorts]

#55441: libcxx, libcxxabi: also install into the SDKs
--------------------------------+----------------------------------
  Reporter:  ryandesign         |      Owner:  jeremyhu
      Type:  enhancement        |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:  snowleopard haspatch
      Port:  libcxx, libcxxabi  |
--------------------------------+----------------------------------
Changes (by ryandesign):

 * Attachment "libcxx.diff" added.


--
Ticket URL: <https://trac.macports.org/ticket/55441>
MacPorts <https://www.macports.org/>
Ports system for macOS