Found the following significant warnings:
  ica.cpp:47:29: warning: ‘typename arma::enable_if2<(arma::is_arma_type<T1>::value && arma::resolves_to_vector<T1>::yes), const arma::Op<T1, arma::op_sort_vec> >::result arma::sort(const T1&, arma::uword) [with T1 = arma::Row<double>; typename arma::enable_if2<(arma::is_arma_type<T1>::value && arma::resolves_to_vector<T1>::yes), const arma::Op<T1, arma::op_sort_vec> >::result = const arma::Op<arma::Row<double>, arma::op_sort_vec>; arma::uword = unsigned int]’ is deprecated [-Wdeprecated-declarations]
  ica.cpp:51:29: warning: ‘typename arma::enable_if2<(arma::is_arma_type<T1>::value && arma::resolves_to_vector<T1>::yes), const arma::Op<T1, arma::op_sort_vec> >::result arma::sort(const T1&, arma::uword) [with T1 = arma::Row<double>; typename arma::enable_if2<(arma::is_arma_type<T1>::value && arma::resolves_to_vector<T1>::yes), const arma::Op<T1, arma::op_sort_vec> >::result = const arma::Op<arma::Row<double>, arma::op_sort_vec>; arma::uword = unsigned int]’ is deprecated [-Wdeprecated-declarations]
  rdcc.cpp:85:62: warning: ‘typename arma::enable_if2<arma::is_supported_blas_type<typename T1::elem_type>::value, const arma::Op<T1, arma::op_inv> >::result arma::inv(const arma::Base<typename T1::elem_type, T1>&, bool) [with T1 = arma::Mat<double>; typename arma::enable_if2<arma::is_supported_blas_type<typename T1::elem_type>::value, const arma::Op<T1, arma::op_inv> >::result = const arma::Op<arma::Mat<double>, arma::op_inv>; typename T1::elem_type = double]’ is deprecated [-Wdeprecated-declarations]
  rdcc.cpp:938:63: warning: ‘typename arma::enable_if2<arma::is_supported_blas_type<typename T1::elem_type>::value, const arma::Op<T1, arma::op_inv> >::result arma::inv(const arma::Base<typename T1::elem_type, T1>&, bool) [with T1 = arma::Mat<double>; typename arma::enable_if2<arma::is_supported_blas_type<typename T1::elem_type>::value, const arma::Op<T1, arma::op_inv> >::result = const arma::Op<arma::Mat<double>, arma::op_inv>; typename T1::elem_type = double]’ is deprecated [-Wdeprecated-declarations]
See ‘/data/gannet/ripley/R/packages/tests-devel/rmgarch.Rcheck/00install.out’ for details.