With your hints I found https://groups.google.com/forum/?fromgroups=#!msg/mpir-devel/iSzn88nJO58/4efX1gWB5kIJ
I'll ask for a full log on sage-devel. -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To view this discussion on the web visit https://groups.google.com/d/msg/mpir-devel/-/ovriB82qo3sJ. To post to this group, send email to mpir-devel@googlegroups.com. To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en.