Indeed that was it!! Following your suggestion in https://groups.google.com/forum/m/#!topic/sage-devel/2cdsAGTxYm8 I edited the file inixccompiler.py and replaced at the end of the definition
def runtime_library_dir_option(self, dir): ... else: return "-Wl,-R" + dir the "-R" with "-Wl,-R" and continued "make". Sage build was complete! I ran Sage with all new features now. Thanks a lot ! -- 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.