We can't build all examples with -no-gui feature set

agent:2019/01/30 11:27:19 build.go:192: cd examples/ && ( test -e Makefile || /home/qt/work/install/bin/qmake -o Makefile /home/qt/work/qt/qtnetworkauth/examples/examples.pro INSTALL_PREFIX=/home/qt/work/install ) && make -f Makefile 
agent:2019/01/30 11:27:19 build.go:192: make[1]: Entering directory '/home/qt/work/qt/qtnetworkauth/examples'
agent:2019/01/30 11:27:19 build.go:192: cd oauth/ && ( test -e Makefile || /home/qt/work/install/bin/qmake -o Makefile /home/qt/work/qt/qtnetworkauth/examples/oauth/oauth.pro INSTALL_PREFIX=/home/qt/work/install ) && make -f Makefile 
agent:2019/01/30 11:27:19 build.go:192: make[2]: Entering directory '/home/qt/work/qt/qtnetworkauth/examples/oauth'
agent:2019/01/30 11:27:19 build.go:192: cd twittertimeline/ && ( test -e Makefile || /home/qt/work/install/bin/qmake -o Makefile /home/qt/work/qt/qtnetworkauth/examples/oauth/twittertimeline/twittertimeline.pro INSTALL_PREFIX=/home/qt/work/install ) && make -f Makefile 
agent:2019/01/30 11:27:19 build.go:192: cd redditclient/ && ( test -e Makefile || /home/qt/work/install/bin/qmake -o Makefile /home/qt/work/qt/qtnetworkauth/examples/oauth/redditclient/redditclient.pro INSTALL_PREFIX=/home/qt/work/install ) && make -f Makefile 
agent:2019/01/30 11:27:19 build.go:192: Project ERROR: Could not find feature tableview.
agent:2019/01/30 11:27:19 build.go:192: Project ERROR: Could not find feature listview.
agent:2019/01/30 11:27:19 build.go:192: Makefile:47: recipe for target 'sub-twittertimeline-make_first' failed
agent:2019/01/30 11:27:19 build.go:192: make[2]: *** [sub-twittertimeline-make_first] Error 3