Undefined symbols for architecture x86_64:

  "shogun::SGMatrix<double> shogun::CLeastAngleRegression::cholesky_insert<double>(shogun::SGMatrix<double> const&, shogun::SGMatrix<double> const&, shogun::SGMatrix<double>&, int, int)", referenced from:

      LeastAngleRegression_cholesky_insert_Test::TestBody() in lars_unittest.cc.o

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)