qt5 broken on Monterey

[jwhowarth]

The current qt5 fails building qt5-base on Monterey with the errors...

Creating qmake...
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
Failed to resolve SDK path for 'macosx12'
c -o main.o -arch x86_64 -fconstant-cfstrings -MMD     -g  -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/library -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/generators -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/src/3rdparty/tinycbor/src -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/generators/unix -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/generators/win32 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/generators/mac -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/include -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/include/QtCore -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/include/QtCore/5.15.2 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/include/QtCore/5.15.2/QtCore -I../src/corelib/global -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/mkspecs/macx-clang -DQT_VERSION_STR=\"5.15.2\" -DQT_VERSION_MAJOR=5 -DQT_VERSION_MINOR=15 -DQT_VERSION_PATCH=2 -DQT_BUILD_QMAKE -DQT_BOOTSTRAPPED -DPROEVALUATOR_FULL -DQT_NO_FOREACH /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work/qtbase-everywhere-src-5.15.2/qmake/main.cpp
make: c: No such file or directory
make: [main.o] Error 1 (ignored)