C:\Temp\fem_cpp\w>make u1 gpp -ansi -pedantic -Wall -I c:\temp\fem_cpp\boost-05-07-24-0100 u1.cpp -o u 1 c:/temp/fem_cpp/boost-05-07-24-0100/boost/numeric/ublas/matrix_sparse.hpp: In me mber function 'boost::numeric::ublas::compressed_matrix& boost ::numeric::ublas::compressed_matrix::operator=(const boost::nu meric::ublas::matrix_container&) [with C = boost::numeric::ublas::compressed _matrix >, boost::numeric::ublas::unboun ded_array > >, T = double, L = boost::numeric::ub las::column_major, long unsigned int IB = 0ul, IA = boost::numeric::ublas::unbou nded_array >, TA = boost::numeric::ublas::unbound ed_array >]': u1.cpp:23: instantiated from here c:/temp/fem_cpp/boost-05-07-24-0100/boost/numeric/ublas/matrix_sparse.hpp:2846: error: 'const class boost::numeric::ublas::matrix_container >, boost::numeric:: ublas::unbounded_array > > >' has no member named 'size1' c:/temp/fem_cpp/boost-05-07-24-0100/boost/numeric/ublas/matrix_sparse.hpp:2846: error: 'const class boost::numeric::ublas::matrix_container >, boost::numeric:: ublas::unbounded_array > > >' has no member named 'size2' make.exe: *** [u1] Error 1 C:\Temp\fem_cpp\w>