编译ceres2.0.0+glog0.4.0+fgt+eigen3.4.0的问题

usr/bin/ld: CMakeFiles/testlnrr1.dir/scan_to_model.cpp.o: in function `lnrr::ScanToModel::computeOptimalRotationCeres(Eigen::Matrix const&, Eigen::Matrix const&)':
scan_to_model.cpp:(.text+0xd25): undefined reference to `ceres::Problem::Problem()'
/usr/bin/ld: scan_to_model.cpp:(.text+0xe73): undefined reference to `ceres::Problem::AddResidualBlock(ceres::CostFunction*, ceres::LossFunction*, std::vector > const&)'
/usr/bin/ld: scan_to_model.cpp:(.text+0xee3): undefined reference to `ceres::Solve(ceres::Solver::Options const&, ceres::Problem*, ceres::Solver::Summary*)'
/usr/bin/ld: scan_to_model.cpp:(.text+0xf20): undefined reference to `ceres::Problem::~Problem()'
/usr/bin/ld: scan_to_model.cpp:(.text+0xfb1): undefined reference to `ceres::Problem::~Problem()'
/usr/bin/ld: CMakeFiles