[MacPorts] #52002: lilypond build fails due to missing reference to libc++ on some Darwin systems - fix attached

[MacPorts]

#52002: lilypond build fails due to missing reference to libc++ on some Darwin
systems - fix attached
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 Reporter:  kenneth.f.cunningham@…  |      Owner:  macports-tickets@…
     Type:  defect                  |     Status:  new
 Priority:  Normal                  |  Milestone:
Component:  ports                   |    Version:  2.3.4
 Keywords:                          |       Port:  lilypond
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 Lily pond fails to build on Snow Leopard with the
 <https://trac.macports.org/wiki/LibcxxOnOlderSystems> upgrade, due to
 missing reference to libc++. Failed build log attached. Fix Portfile diff
 also attached, that add reference to libc++ on Darwin Mountain Lion and
 lower with  configure.cxx_stdlib=libc++

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Ticket URL: <https://trac.macports.org/ticket/52002>
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