tree 6c19d492f8edd4b2db8f53b6c8171efa7a53468e
parent 99aca60b2caa38e2c4b765bcda7df0430bb84707
author Alex Stewart <alexs.mac@gmail.com> 1496581740 +0100
committer Alex Stewart <alexs.mac@gmail.com> 1496581740 +0100

Prefer Eigen installs over exported build directories.

- Use the same logic as per gflags & glog whereby we perform (up to)
  two find_package() calls such that installed packages are preferred
  to exported build directories across all platforms.

Change-Id: Ifb9a7ba322ee43ed18c5774633e4bb527ce7cd75