Hi,
One of the virtual machines I use for building Sage has 512MB RAM and
is running Linux CentOS 64-bit.
In trying to build Sage it gets to linbox:
g++ -DHAVE_CONFIG_H -I. -I../.. -I../.. -I. -I../../linbox -g
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include/linbox
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include -O2
-DDISABLE_COMMENTATOR
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include -g -fPIC
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include/linbox
-L/home/wstein/build/centos64/build/sage-3.2.3/local/lib
-I/home/wstein/build/centos64/build/sage-3.2.3/spkg/build/linbox-1.1.6/src
-I/home/wstein/build/centos64/build/sage-3.2.3/spkg/build/linbox-1.1.6/src/linbox
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include
-I/home/wstein/build/centos64/build/sage-3.2.3/local/include
-D__LINBOX_HAVE_CBLAS -c linbox-sage.C -fPIC -DPIC -o
.libs/linbox-sage.o
[... sits here for at least 24 hours...]
Note that there is only 512MB RAM allocated to this machine (obviously
I'll increase this at some point).
wst...@centos64:~/build/centos64/build/sage-3.2.3$ free
total used free shared buffers cached
Mem: 510788 189260 321528 0 39452 87596
Question: Do you think the Sage prereq check at the very beginning
should simply refuse to try to build sage if the user has less than
1GB RAM? Or, at a minimum, it could give a huge warning, and have an
environment variable that one can set to get around this constraint?
William
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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