[MacPorts] #59509: py37-pyqt5: Failed to determine the detail of your Qt installation (Xcode 11, macOS 10.14)

[MacPorts]

#59509: py37-pyqt5: Failed to determine the detail of your Qt installation (Xcode
11, macOS 10.14)
--------------------------+----------------------
  Reporter:  mfacorcoran  |      Owner:  mamoll
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  py-pyqt5     |
--------------------------+----------------------

Comment (by tehcog):

 Having similar configuration issue on mavericks: py37-pyqt5

 {{{
 :info:configure Error: Failed to determine the detail of your Qt
 installation. Try again using
 :info:configure the --verbose flag to see more detail about the problem.
 :info:configure Querying qmake about your Qt installation...
 :info:configure Determining the details of your Qt installation...
 :info:configure /opt/local/libexec/qt5/bin/qmake -o cfgtest_QtCore.mk
 cfgtest_QtCore.pro
 :info:configure Info: creating stash file
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-
 pyqt5/py37-pyqt5/work/PyQt5_gpl-5.13.1/.qmake.stash
 :info:configure make -f cfgtest_QtCore.mk
 :info:configure
 /Applications/Utilities/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
 -c -pipe -stdlib=libc++ -arch x86_64 -isysroot
 /Applications/Utilities/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk
 -mmacosx-version-min=10.9  -Os -Wall -W -fPIC -DQT_NO_DEBUG -DQT_CORE_LIB
 -I. -I/opt/local/libexec/qt5/lib/QtCore.framework/Headers -I.
 -I/opt/local/libexec/qt5/mkspecs/macx-clang -F/opt/local/libexec/qt5/lib
 -o cfgtest_QtCore.o config-tests/cfgtest_QtCore.cpp
 :info:configure In file included from config-tests/cfgtest_QtCore.cpp:1:
 :info:configure In file included from
 /opt/local/libexec/qt5/lib/QtCore.framework/Headers/QCoreApplication:1:
 :info:configure In file included from
 /opt/local/libexec/qt5/lib/QtCore.framework/Headers/qcoreapplication.h:43:
 :info:configure In file included from
 /opt/local/libexec/qt5/lib/QtCore.framework/Headers/qglobal.h:97:
 :info:configure
 /opt/local/libexec/qt5/lib/QtCore.framework/Headers/qcompilerdetection.h:562:6:
 error: Qt requires a C++11 compiler and yours does not seem to be that.
 :info:configure #    error Qt requires a C++11 compiler and yours does not
 seem to be that.
 :info:configure      ^
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59509#comment:8>
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