As far as ATLAS is concerned, it's hellishly long and that's to be expected. You can try using a pretuned config by setting SAGE_ATLAS_ARCH=base/fast or using SAGE_ATLAS_LIB to use system-wide libraries as Dima suggested.
I'll have a look at ECL issue tonight. -- 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 http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.