#12725: termcap: symlink libtermcap.a to libncurses.a
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Reporter: jdemeyer | Owner: tbd
Type: defect | Status:
needs_review
Priority: minor | Milestone:
sage-5.1
Component: packages | Resolution:
Keywords: | Work issues:
Report Upstream: Reported upstream. No feedback yet. | Reviewers:
Authors: Jeroen Demeyer | Merged in:
Dependencies: | Stopgaps:
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Changes (by jdemeyer):
* upstream: N/A => Reported upstream. No feedback yet.
Old description:
> The install scripts for PARI and Python automatically link with
> `-lncurses` if `/usr/lib/libncurses.so` '''exists''', even though the
> mere existence of that file doesn't guarantee that it actually can be
> linked. This can happen in particular when "cross-compiling" a 32-bit
> Sage on a 64-bit operating system.
>
> The build of the readline interface of PARI and Python might therefore
> fail for no good reason. A solution is to symlink Sage's `libtermcap.a`
> to `libncurses.a` if needed, such that `-lncurses` will always succeed.
>
> '''spkg''':
> [http://boxen.math.washington.edu/home/jdemeyer/spkg/termcap-1.3.1.p3.spkg]
New description:
The install scripts for PARI and Python automatically link with
`-lncurses` if `/usr/lib/libncurses.so` '''exists''', even though the mere
existence of that file doesn't guarantee that it actually can be linked.
This can happen in particular when "cross-compiling" a 32-bit Sage on a
64-bit operating system.
The build of the readline interface of PARI and Python might therefore
fail for no good reason. A solution is to symlink Sage's `libtermcap.a`
to `libncurses.a` if needed, such that `-lncurses` will always succeed.
'''spkg''':
[http://boxen.math.washington.edu/home/jdemeyer/spkg/termcap-1.3.1.p3.spkg]
Reported upstream to Python: [http://bugs.python.org/issue15182]
For PARI, this seems to be fixed in PARI-2.6.0 (but I haven't checked
well).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12725#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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