title: I am trying to install libgtk2.0-dev on ubuntu 14 but getting some error
body: <pre><code>$ sudo apt-get install libgtk2.0-dev
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:
  
  The following packages have unmet dependencies:
   libgtk2.0-dev : Depends: libglib2.0-dev (&gt;= 2.27.3) but it is not going to be installed
                   Depends: libgdk-pixbuf2.0-dev (&gt;= 2.21.0) but it is not going to be installed
                   Depends: libpango1.0-dev (&gt;= 1.20) but it is not going to be installed
                   Depends: libatk1.0-dev (&gt;= 1.29.2) but it is not installable
                   Depends: libcairo2-dev (&gt;= 1.6.4-6.1) but it is not going to be installed
                   Depends: libxext-dev (&gt;= 1:1.0.1-2) but it is not going to be installed
                   Depends: libxinerama-dev (&gt;= 1:1.0.1-4.1) but it is not going to be installed
                   Depends: libxi-dev (&gt;= 1:1.0.1-4) but it is not going to be installed
                   Depends: libxrandr-dev (&gt;= 1:1.2.99)
                   Depends: libxcursor-dev but it is not going to be installed
                   Depends: libxfixes-dev (&gt;= 1:3.0.0-3) but it is not going to be installed
                   Depends: libxcomposite-dev (&gt;= 1:0.2.0-3) but it is not installable
                   Depends: libxdamage-dev (&gt;= 1:1.0.1-3) but it is not installable
  E: Unable to correct problems, you have held broken packages.
  </code></pre>