Gentoo's Bugzilla –
Attachment 589812 Details for
Bug 694360sci-mathematics/octave-5.1.0 - src_configure(): ld: warning: libgfortran.so.3, needed by /usr/lib64/blas/reference/libblas.so, not found (try using -rpath or -rpath-link) // ld: /usr/lib64/blas/reference/libblas.so: undefined reference to `_gfortran_stop_