'g-octave odepkg' fails with: root@lynx:/root(18)# g-octave odepkg ... patching file cash/mebdfdae.f Reversed (or previously applied) patch detected! Assume -R? [n] patching file daskr/dlinpk.f mkoctfile -c odepkg_octsolver_seulex.cc -o odepkg_octsolver_seulex.o Applying patches from file: hairer.diff Applying patches from file: cash.diff patching file cash/mebdfdae.f Reversed (or previously applied) patch detected! Assume -R? [n] In file included from odepkg_octsolver_radau.cc:38:0: odepkg_auxiliary_functions.h:23:37: warning: ‘Octave_map’ is deprecated (declared at /usr/include/octave-3.8.2/octave/oct-map.h:484) [-Wdeprecated-declarations] (std::string vnam, Octave_map vmap); ^ odepkg_octsolver_radau.cc: In function ‘octave_value_list Fode2r(const octave_value_list&, int)’: odepkg_octsolver_radau.cc:280:14: warning: ‘Octave_map’ is deprecated (declared at /usr/include/octave-3.8.2/octave/oct-map.h:484) [-Wdeprecated-declarations] Octave_map vodeopt; // The OdePkg options structure ... Warning: Rank mismatch in argument 'jroot' at (1) (rank-1 and scalar) FFLAGS="-march=native -O2 -pipe" mkoctfile -c hairer/dc_decsol.f -o hairer/dc_decsol.o FFLAGS="-march=native -O2 -pipe" mkoctfile -c hairer/radau.f -o hairer/radau.o FFLAGS="-march=native -O2 -pipe" mkoctfile -c hairer/radau5.f -o hairer/radau5.o FFLAGS="-march=native -O2 -pipe" mkoctfile -c hairer/rodas.f -o hairer/rodas.o FFLAGS="-march=native -O2 -pipe" mkoctfile -c hairer/seulex.f -o hairer/seulex.o In file included from odepkg_auxiliary_functions.cc:23:0: odepkg_auxiliary_functions.h:23:37: warning: ‘Octave_map’ is deprecated (declared at /usr/include/octave-3.8.2/octave/oct-map.h:484) [-Wdeprecated-declarations] (std::string vnam, Octave_map vmap); ^ odepkg_auxiliary_functions.cc:38:77: warning: ‘Octave_map’ is deprecated (declared at /usr/include/octave-3.8.2/octave/oct-map.h:48) [-Wdeprecated-declarations] octave_value odepkg_auxiliary_getmapvalue (std::string vnam, Octave_map vmap) { ^ odepkg_auxiliary_functions.cc: In function ‘octave_value odepkg_auxiliary_makestats(octave_value_list, octave_idx_type)’: odepkg_auxiliary_functions.cc:374:14: warning: ‘Octave_map’ is deprecated (declared at /usr/include/octave-3.8.2/octave/oct-map.h:484) [-Wdeprecated-declarations] Octave_map vretval; ^ 'MAKEOPTS=-j1 emerge -v odepkg' seems to work.