Code review comment for lp:~vanvugt/mir/remove-dead-code-nbuffers-opt

11:41:20 [ 52%] Linking CXX executable ../../../../bin/mir_demo_standalone_render_overlays.bin
11:41:20 cd /<<BUILDDIR>>/mir-0.26.1+17.04.20170209.1+zesty4503bzr4124/obj-x86_64-linux-gnu/src/platforms/android/utils && /usr/bin/cmake -E cmake_link_script CMakeFiles/mir_demo_standalone_render_overlays.dir/link.txt --verbose=1
11:41:20 /usr/lib/ccache/c++ -g -O2 -fdebug-prefix-map=/<<BUILDDIR>>/mir-0.26.1+17.04.20170209.1+zesty4503bzr4124=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -pthread -g -std=c++14 -Werror -Wall -fno-strict-aliasing -pedantic -Wnon-virtual-dtor -Wextra -fPIC -flto -ffat-lto-objects -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,--as-needed -Wl,--no-undefined CMakeFiles/mir_demo_standalone_render_overlays.dir/render_overlays.cpp.o -o ../../../../bin/mir_demo_standalone_render_overlays.bin -rdynamic ../../../../lib/libmirplatform.so.16 ../../../../lib/libmircommon.so.7 ../../../capnproto/libmircapnproto.a -lkj -lcapnp ../../../../lib/libmircore.so.1 -lboost_date_time -lboost_system -lboost_program_options -lboost_filesystem -ldl -lEGL -lGLESv2 -lGLESv2 -L/lib/x86_64-linux-gnu -ludev -ludev
11:41:21 //usr/lib/x86_64-linux-gnu/libmirclient.so.9: undefined reference to `MirInputDeviceStateEvent::device_pressed_keys_for_index(unsigned long, unsigned long) const@MIR_COMMON_0.25_PRIVATE'
11:41:21 //usr/lib/x86_64-linux-gnu/libmirclient.so.9: undefined reference to `MirPointerEvent::set_x(float)@MIR_COMMON_0.25_PRIVATE'
11:41:21 //usr/lib/x86_64-linux-gnu/libmirclient.so.9: undefined reference to `MirTouchEvent::pressure(unsigned long) const@MIR_COMMON_0.25_PRIVATE'

Hmm, not sure why this is suddenly happening, but the fix is:

    lp:~alan-griffiths/mir/add-missing-link-library/+merge/321276