[MacPorts] #54964: qt5-qtbase fails to build now

[MacPorts]

#54964: qt5-qtbase fails to build now
------------------------+------------------------
 Reporter:  mouse07410  |      Owner:
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  qt5-qtbase
------------------------+------------------------
 MacOS 10.12.6, Xcode-9.0, XQuartz 2.7.11 (latest available).

 {{{
 + cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_aqua_qt5/qt5-qtbase/work
 /qtbase-opensource-src-5.9.1/config.tests/x11/xlib && MAKEFLAGS=
 /usr/bin/make
 >
 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
 -c -pipe -stdlib=libc++ -O2 -std=gnu++11  -arch x86_64 -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk
 -mmacosx-version-min=10.12 -Wall -W -fPIC  -I.
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_aqua_qt5/qt5-qtbase/work
 /qtbase-opensource-src-5.9.1/mkspecs/macx-clang -o xlib.o xlib.cpp
 >
 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
 -stdlib=libc++ -headerpad_max_install_names  -arch x86_64
 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk
 -mmacosx-version-min=10.12 -Wl,-rpath, at executable_path/Frameworks -o xlib
 xlib.o
 > Undefined symbols for architecture x86_64:
 >   "_XCloseDisplay", referenced from:
 >       _main in xlib.o
 >   "_XOpenDisplay", referenced from:
 >       _main in xlib.o
 > ld: symbol(s) not found for architecture x86_64
 > clang: error: linker command failed with exit code 1 (use -v to see
 invocation)
 > make: *** [xlib] Error 1
 test config.gui.tests.xlib FAILED
 }}}

 Current version installed:

 {{{
 $ port installed qt5-qtbase
 The following ports are currently installed:
   qt5-qtbase @5.8.0_0+openssl (active)
 $
 }}}

--
Ticket URL: <https://trac.macports.org/ticket/54964>
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