[MacPorts] #61384: sbcl build failure 10.11

[MacPorts]

#61384: sbcl build failure 10.11
-------------------------+----------------------
  Reporter:  dyne2meter  |      Owner:  easye
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.3
Resolution:              |   Keywords:
      Port:  sbcl        |
-------------------------+----------------------

Comment (by kencu):

 It's a header-enhancing overlay with an additional linked-in library that
 supplies the commonly-needed bits to older SDKs. Using it in MacPorts is
 pretty easy, you add this:
 {{{
 PortGroup legacysupport 1.1
 }}}

 Using it outside MacPorts is pretty easy too.

 Details at <https://github.com/macports/macports-legacy-support>.

-- 
Ticket URL: <https://trac.macports.org/ticket/61384#comment:9>
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