#6375: Run sage once as part of install process to generate sage-flags.txt
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Reporter: craigcitro | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-4.1
Component: build | Keywords:
Reviewer: | Author:
Merged: |
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When sage runs for the first time, it creates a file `sage-flags.txt` to
keep track of what special instructions the CPU supports. Several people
have run into trouble compiling and installing sage as root, and then
running it as a normal user, because they don't have permission to create
the file. Here's such a traceback:
{{{
Traceback (most recent call last):
File "/usr/local/sage-4.0.2/local/bin/sage-location", line 174, in
<module>
t, R = install_moved()
File "/usr/local/sage-4.0.2/local/bin/sage-location", line 18, in
install_moved
write_flags_file()
File "/usr/local/sage-4.0.2/local/bin/sage-location", line 82, in
write_flags_file
open(flags_file,'w').write(get_flags_info())
IOError: [Errno 13] Permission denied: '/usr/local/sage-4.0.2/local/lib
/sage-flags.txt'
}}}
It would seem sensible to run `local/bin/sage-starts` once during the
install process to create this file.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6375>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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