Okay, I think that I figured out the problem.  I built Sage from scratch to 
upgrade our notebook server, and find a whole slew of packages that never 
built!  But there are no error messages I can find - just no log files.  In 
particular, I can't find any jmol - or indeed cddlib or some other stuff.  
But that would explain my initial problem.

How could that happen?  I believe there is an error in our build scripts.  
If the build is interrupted (as was the case here) and/or you can't write 
to HOME/.sage, bad things will happen without errors.  I had reissued make 
and the build completed, including building documentation!  Or so it said, 
anyway.  It never noticed the missing packages.

Bizarrely, doing "sudo make" so it could write to my local folder FIRST 
rebuilt the documentation (quick because no changes) and THEN just now 
started building cddlib, gfan, cvxopt, and a host of other stuff.  I will 
repeat that there were no relevant error messages in the log files.  

I am 90% certain that my problem will be solved by the time all these 
packages finish building, but I wanted to bring this up because perhaps 
others will be building Sage remotely and not use/not remember how to 
use/not know how to use things like screen and nohup.  At the very least 
make should figure out that these packages aren't built!

- kcrisman

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