Thanks, Dima! You nailed my problem. Yes, I did not have “gfortran”. Sage 8.3 built itself without trouble after I installed gfortran (and ran "configure" before make)
https://gcc.gnu.org/wiki/GFortranBinaries#MacOS Thanks again, Bernie W. On Tuesday, August 14, 2018 at 1:10:11 AM UTC-6, Bernie Walp wrote: > > Attempts to build Sage 8.3 in macOS "High Sierra" ver. 10.13.6 produce the > message "Error building openblas-0.2.20.p2" and also this: > > lsame.f:0: sorry, unimplemented: 64-bit mode not compiled in > lsametst.f:0: sorry, unimplemented: 64-bit mode not compiled in > > The log is attached. I'd be grateful for any advice. Thank you. > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.