tim@ub01:~$  dpkg -l|grep ubuntu-sdk
ii  ubuntu-sdk                                           1.264                                               amd64        Ubuntu SDK
ii  ubuntu-sdk-api-15.04-armhf:amd64                     15.04-20160122~0ubuntu1~0xenial1                    amd64        Ubuntu SDK API set for 15.04
ii  ubuntu-sdk-api-tools                                 15.04-20160122~0ubuntu1~0xenial1                    all          Ubuntu SDK API tool
ii  ubuntu-sdk-dev:amd64                                 3.5.1~13+201604191700~ubuntu16.04.1                 amd64        Qt and Ubuntu APIs for application development
ii  ubuntu-sdk-ide                                       3.5.1~133+201604191659~ubuntu16.04.1                amd64        Ubuntu SDK IDE
ii  ubuntu-sdk-libs:amd64                                1.264                                               amd64        Ubuntu SDK Runtime libraries
ii  ubuntu-sdk-libs-dev:amd64                            1.264                                               amd64        Ubuntu SDK
ii  ubuntu-sdk-qmake-extras                              3.5.2+16.04.20151118-0ubuntu1                       amd64        Extra qmake features required by the Ubuntu-SDK templates,