#11245: broken tar on cygwin (Windows 7), cddlib fails to install
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Reporter: dimpase | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.1
Component: cygwin | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by dimpase):
Replying to [comment:7 kcrisman]:
> I can confirm that this enables building of cddlib on Windows 7.
>
> While waiting to try for other things, I have a question. The process
is
>
> 1. Untar
> 1. Tar with links followed
> 1. Untar again
> 1. Use `sage -pkg` to create the new spkg
>
> So does that mean that the untarred one the second time does have the
followed links, not just symbolic ones? I guess I am curious as to why
steps 3 and 4 are needed, though I assume it is in order to get the
correct spkg checking.
right, 1,2 and 3 replace links by file copies, and 4 makes a kosher spkg.
This must be done on a system with working tar, not on Win7, obviously...
In fact, hopefully Cygwin will have a patched tar soon, patch supplied by
Dan Grayson (yes, the K-theorist!), and this won't be needed.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11245#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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