[MacPorts] #59294: qt5-qtwebengine @5.12.5: Using Xcode version , but at least version 8.3.3 is required to build Qt WebEngine

[MacPorts]

#59294: qt5-qtwebengine @5.12.5: Using Xcode version , but at least version 8.3.3
is required to build Qt WebEngine
------------------------+---------------------------------
 Reporter:  ryandesign  |      Owner:  MarcusCalhoun-Lopez
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  qt5-qtwebengine
------------------------+---------------------------------
 Using Xcode 9.4.1 on High Sierra, upgrading qt5-qtwebengine from 5.12.4_2
 to 5.12.5_2 fails at destroot with:

 {{{
 :error:destroot No files have been installed in the destroot directory!
 }}}

 Configure phase output is:

 {{{
 :info:configure Configure summary:
 :info:configure Qt WebEngine:
 :info:configure   Embedded build ......................... no
 :info:configure   Full debug information ................. no
 :info:configure   Pepper Plugins ......................... yes
 :info:configure   Printing and PDF ....................... yes
 :info:configure   Proprietary Codecs ..................... no
 :info:configure   Spellchecker ........................... yes
 :info:configure   Native Spellchecker .................... yes
 :info:configure   WebRTC ................................. yes
 :info:configure   Use System Ninja ....................... yes
 :info:configure   Geolocation ............................ yes
 :info:configure   WebChannel support ..................... yes
 :info:configure   Use v8 snapshot ........................ yes
 :info:configure   Kerberos Authentication ................ yes
 :info:configure   Support qpa-xcb ........................ no
 :info:configure   Use ALSA ............................... no
 :info:configure   Use PulseAudio ......................... yes
 :info:configure   macOS version .......................... 10.13.6
 :info:configure   Clang version .......................... Apple LLVM
 version 9.1.0 (clang-902.0.39.2)
 :info:configure   macOS minimum deployment target ........ 10.13
 :info:configure   Optional system libraries used:
 :info:configure     re2 .................................. yes
 :info:configure     icu .................................. yes
 :info:configure     libwebp, libwebpmux and libwebpdemux . yes
 :info:configure     opus ................................. yes
 :info:configure     ffmpeg ............................... yes
 :info:configure     libvpx ............................... no
 :info:configure     snappy ............................... yes
 :info:configure     glib ................................. yes
 :info:configure     zlib ................................. yes
 :info:configure     minizip .............................. yes
 :info:configure     libevent ............................. yes
 :info:configure     jsoncpp .............................. yes
 :info:configure     protobuf ............................. yes
 :info:configure     libxml2 and libxslt .................. yes
 :info:configure     lcms2 ................................ yes
 :info:configure     png .................................. yes
 :info:configure     JPEG ................................. no
 :info:configure     harfbuzz ............................. yes
 :info:configure     freetype ............................. yes
 :info:configure Qt is now configured for building. Just run 'make'.
 :info:configure Once everything is built, you must run 'make install'.
 :info:configure Qt will be installed into '/opt/local/libexec/qt5'.
 :info:configure Prior to reconfiguration, make sure you remove any
 leftovers from
 :info:configure the previous build.
 :info:configure
 :info:configure Using Xcode version , but at least version 8.3.3 is
 required to build Qt WebEngine.
 :info:configure QtWebEngine will not be built.
 }}}

 So there are 2 bugs here:

 1. The configure phase failed to determine my Xcode version.
 2. The build and destroot phases ran even though the configure phase
 failed.

-- 
Ticket URL: <https://trac.macports.org/ticket/59294>
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