#14405: Replace termcap with ncurses
-------------------------------------+-------------------------------------
Reporter: vbraun | Owner: jdemeyer
Type: defect | Status: positive_review
Priority: major | Milestone: sage-5.12
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers: Volker Braun, Jean-
Authors: Volker Braun, | Pierre Flori
Jean-Pierre Flori | Work issues:
Report Upstream: N/A | Dependencies:
Branch: |
Stopgaps: |
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Changes (by vbraun):
* status: needs_work => positive_review
Old description:
> The readline in IPython is broken if ncurses-devel is not installed in
> various modern Linux distributions. Installing the ncurses headers from
> the distribution (yum install ncurses-devel on Fedora) fixes this.
>
> Example video: http://youtu.be/dxp1SIXbIyY
>
> The problem seems to be that the ancient libtermcap (no new releases
> since March 2002) is not enough anymore. I suggest to replace the termcap
> spkg with ncurses. Sage-5.9.beta3 builds fine. The only downside is that
> it takes ~2mb instead of ~300k, but on the upside the terminal is no
> longer broken.
>
> * Apply [attachment:trac_14405_replace_termcap_with_ncurses.patch] to
> the SAGE_ROOT repo
> * Delete the termcap spkg
> * Add http://www.stp.dias.ie/~vbraun/Sage/spkg/ncurses-5.9.spkg
> * Update http://www.stp.dias.ie/~vbraun/Sage/spkg/readline-6.2.p4.spkg
New description:
The readline in IPython is broken if ncurses-devel is not installed in
various modern Linux distributions. Installing the ncurses headers from
the distribution (yum install ncurses-devel on Fedora) fixes this.
Example video: http://youtu.be/dxp1SIXbIyY
The problem seems to be that the ancient libtermcap (no new releases since
March 2002) is not enough anymore. I suggest to replace the termcap spkg
with ncurses. Sage-5.9.beta3 builds fine. The only downside is that it
takes ~2mb instead of ~300k, but on the upside the terminal is no longer
broken.
* Apply [attachment:trac_14405_replace_termcap_with_ncurses.patch] to
the SAGE_ROOT repo
* Delete the termcap spkg
* Add http://boxen.math.washington.edu/home/vbraun/spkg/ncurses-5.9.spkg
* Update
http://boxen.math.washington.edu/home/vbraun/spkg/readline-6.2.p4.spkg
--
Comment:
I've updated the readline spkg documentation.
The permissions of `mkinstalldirs` are what upstream uses; since its not
copied anywhere it doesn't really matter if it is user-writeable or not.
--
Ticket URL: <http://trac.sagemath.org/ticket/14405#comment:77>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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