$ sudo apt-get install binutils-dev libelfg0-dev libcppunit-dev libx11-dev libgl1-mesa-dev zlib1g-dev Reading package lists... Done Building dependency tree Reading state information... Done You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: libcppunit-dev: Depends: libcppunit-1.12-1 (= 1.12.1-1) but it is not going to be installed libelfg0-dev: Depends: libelfg0 (= 0.8.10-1) but it is not going to be installed libgl1-mesa-dev: Depends: mesa-common-dev (= 7.0.3-1) but it is not going to be installed libsexy-dev: Depends: libgtk2.0-dev but it is not going to be installed Depends: libcairo2-dev but it is not going to be installed Depends: libatk1.0-dev but it is not going to be installed Depends: libfreetype6-dev but it is not going to be installed Depends: libglib2.0-dev but it is not going to be installed Depends: libpango1.0-dev but it is not going to be installed Depends: libxcursor-dev but it is not going to be installed Depends: libxml2-dev but it is not going to be installed Depends: libxrender-dev but it is not going to be installed libsexy2: Depends: libenchant1c2a but it is not going to be installed libx11-dev: Depends: libxau-dev (>= 1:1.0.0-1) but it is not going to be installed Depends: libxdmcp-dev (>= 1:1.0.0-1) but it is not going to be installed Depends: libxext-dev but it is not going to be installed Depends: x11proto-core-dev (>= 6.8.99.8-1) but it is not going to be installed Depends: x11proto-input-dev but it is not going to be installed Depends: x11proto-kb-dev but it is not going to be installed Depends: xtrans-dev but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution)