Package libgl-dev is a virtual package provided by:
  libgl1-mesa-swx11-dev 8.0.4-0ubuntu0.7
  libgl1-mesa-dev-lts-saucy 9.2.1-1ubuntu3~precise1
  libgl1-mesa-dev-lts-raring 9.1.7-1ubuntu2~precise1
  libgl1-mesa-dev-lts-quantal 9.0.3-0ubuntu0.4~precise1
  libgl1-mesa-dev 8.0.4-0ubuntu0.7

sudo apt-get install libgl1-mesa-dev