Seems like the libffi header directory is versioned, that sounds like a bug to me. In centos-7 it is not (/usr/include/ffi.h)
Try: CFLAGS=-I/usr/include/libffi-3.0.5 make openssl -- 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.