[MacPorts] #71618: qt5-qtbase @5.15.15_2 does not build on macOS High Sierra, version 10.13.6, because of ld error (and cryptic warnings?)

[MacPorts]

#71618: qt5-qtbase @5.15.15_2 does not build on macOS High Sierra, version 10.13.6,
because of ld error (and cryptic warnings?)
-------------------------+---------------------------------
  Reporter:  ballapete   |      Owner:  MarcusCalhoun-Lopez
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.10.5
Resolution:              |   Keywords:  highsierra
      Port:  qt5-qtbase  |
-------------------------+---------------------------------

Comment (by ballapete):

 It starts already here when the `configure phase` is starting:

 {{{
 Executing:  cd
 "/opt/local/var/macports/build/rsync.macports.org_macports_release_tarballs_ports_aqua_qt5/qt5-qtbase/work
 /qtbase-everywhere-src-5.15.15" && ./configure -prefix
 /opt/local/libexec/qt5 -bindir /opt/local/libexec/qt5/bin -headerdir
 /opt/local/libexec/qt5/include -libdir /opt/local/libexec/qt5/lib
 -archdatadir /opt/local/libexec/qt5 -plugindir
 /opt/local/libexec/qt5/plugins -importdir /opt/local/libexec/qt5/imports
 -qmldir /opt/local/libexec/qt5/qml -datadir /opt/local/libexec/qt5 -docdir
 /opt/local/libexec/qt5/doc -translationdir
 /opt/local/libexec/qt5/translations -sysconfdir
 /opt/local/libexec/qt5/etc/xdg -examplesdir
 /opt/local/libexec/qt5/examples -testsdir /opt/local/libexec/qt5/tests
 -hostdatadir /opt/local/libexec/qt5 -release -opensource -confirm-license
 -shared -accessibility -no-sql-db2 -no-sql-ibase -no-sql-mysql -no-sql-oci
 -no-sql-odbc -no-sql-psql -no-sql-sqlite -no-sql-sqlite2 -no-sql-tds
 -platform macx-clang -optimize-size -no-testcocoon -no-gcov -force-pkg-
 config -system-zlib -no-mtdev -no-journald -no-syslog -system-libpng
 -system-libjpeg -system-freetype -system-harfbuzz -no-libproxy -system-
 pcre -glib -no-gtk QMAKE_CXXFLAGS_GNUCXX11=-std=c++17 -make libs -make
 tools -nomake examples -nomake tests -gui -widgets -no-rpath -verbose
 -cups -no-iconv -no-evdev -no-tslib -icu -no-fontconfig -strip -no-pch
 -no-ltcg -dbus-linked -no-use-gold-linker -no-separate-debug-info -no-xcb
 -no-eglfs -no-gbm -no-directfb -no-linuxfb -no-kms -no-libinput -no-
 xkbcommon -no-system-proxies -no-feature-vulkan -framework -sdk macosx
 -no-libudev -no-egl -openssl-linked
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/71618#comment:6>
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