[MacPorts] #63061: qt5: librecad build fails: could not resolve SDK Path for 'macosx10.11'

[MacPorts]

#63061: qt5: librecad build fails: could not resolve SDK Path for 'macosx10.11'
----------------------+---------------------------------
  Reporter:  mascguy  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  qt5      |
----------------------+---------------------------------

Comment (by kencu):

 The Xcode installation on 10.11 no longer includes an SDK called
 MacOSX10.11.sdk:
 {{{
 $ ls
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs
 MacOSX.sdk      MacOSX10.12.sdk
 }}}

 So you have to use the MacOSX10.12.sdk on El Capitan:
 {{{
 $ xcodebuild -version -sdk macosx10.11 Path
 xcodebuild: error: SDK "macosx10.11" cannot be located.

 $ xcodebuild -version -sdk macosx10.12 Path
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
 }}}

 Previously, the incorrect SDK path had been baked into qttools, but this
 was fixed years ago:
 {{{
 $ cat /opt/local/libexec/qt5/mkspecs/qdevice.pri
 QMAKE_MAC_SDK = macosx
 GCC_MACHINE_DUMP =
 }}}
 so I am not sure at this second what is calling for {{{-sdk macosx10.11}}}
 exactly. Something in the Portfile or something in LibreCAD itself would
 be my guess.

-- 
Ticket URL: <https://trac.macports.org/ticket/63061#comment:3>
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