diff --git a/internal/ceres/covariance_impl.cc b/internal/ceres/covariance_impl.cc index 1befde738..ca5be4948 100644 --- a/internal/ceres/covariance_impl.cc +++ b/internal/ceres/covariance_impl.cc @@ -48,7 +48,10 @@ #include "ceres/suitesparse.h" #include "ceres/wall_time.h" #include "glog/logging.h" -#include "SuiteSparseQR.hpp" + +#ifndef CERES_NO_SUITESPARSE +# include "SuiteSparseQR.hpp" +#endif namespace ceres { namespace internal {