[MacPorts] #61921: qt5-qtwebengine @5.15.2: does not build on macOS 10.13 with Xcode 9

[MacPorts]

#61921: qt5-qtwebengine @5.15.2: does not build on macOS 10.13 with Xcode 9
------------------------------+------------------------
  Reporter:  dliessi          |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:  highsierra
      Port:  qt5-qtwebengine  |
------------------------------+------------------------

Comment (by dliessi):

 Replying to [ticket:61921 dliessi]:
 > Ken suggested also to try forcing macports-clang 9.0: I will try later
 and report.

 I did the following.

 {{{
 $ sudo port patch qt5-qtwebengine
 --->  Computing dependencies for qt5-qtwebengine
 --->  Fetching distfiles for qt5-qtwebengine
 --->  Verifying checksums for qt5-qtwebengine
 --->  Extracting qt5-qtwebengine
 --->  Applying patches to qt5-qtwebengine
 $ sudo nano aqua/qt5/work/qtwebengine-everywhere-src-5.15.2/configure.pri
 [changed minimal Xcode version from 10.0.0 to 9.0.0]
 $ sudo port install qt5-qtwebengine configure.compiler=macports-clang-9.0
 --->  Computing dependencies for qt5-qtwebengine
 --->  Fetching archive for qt5-qtwebengine
 --->  Attempting to fetch qt5-qtwebengine-5.15.2_0.darwin_17.x86_64.tbz2
 from https://lil.fr.packages.macports.org/qt5-qtwebengine
 --->  Attempting to fetch qt5-qtwebengine-5.15.2_0.darwin_17.x86_64.tbz2
 from https://cph.dk.packages.macports.org/qt5-qtwebengine
 --->  Attempting to fetch qt5-qtwebengine-5.15.2_0.darwin_17.x86_64.tbz2
 from http://fco.it.packages.macports.org/qt5-qtwebengine
 --->  Configuring qt5-qtwebengine
 --->  Building qt5-qtwebengine
 Error: Failed to build qt5-qtwebengine: command execution failed
 Error: See /opt/local/var/macports/logs/_opt_macports-git_macports-
 ports_aqua_qt5/qt5-qtwebengine/main.log for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port qt5-qtwebengine failed
 }}}

 I attach the main.log.

-- 
Ticket URL: <https://trac.macports.org/ticket/61921#comment:3>
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