Fix Ubuntu 18.04 shared library build Overriding export gflags export macros breaks glog in shared Ceres solver builds. Threfore, always compile gtest as a static library to avoid the need of overriding the export macros. Change-Id: Ibc9a04a771085caa8f02c81745ce626643df8450
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.