you probably have a very new gcc (which version?), to which Sage is not yet ported, and it cannot build gcc 5.4. you can downgrade gcc to a supported version.
or perhaps you do not have gfortran installed? -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
