#13032: Add ccache as an optional spkg
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Reporter: rohana | Owner: GeorgSWeber
Type: enhancement | Status: closed
Priority: major | Milestone: sage-5.6
Component: optional packages | Resolution: fixed
Keywords: sd40.5 | Work issues:
Report Upstream: N/A | Reviewers: Punarbasu Purkayastha
Authors: R. Andrew Ohana | Merged in: sage-5.6.beta2
Dependencies: | Stopgaps:
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Comment (by ppurka):
Replying to [comment:56 jdemeyer]:
> Replying to [comment:55 ppurka]:
> > If you do not provide a ccache setting at all [...] the size is set to
4G.
> That's already false,
[http://ccache.samba.org/manual.html#_cache_size_management the default is
1GB].
I must reiterate. '''If''' you don't provide any ccache directory settings
at all, then [attachment:trac13032_doc.patch it is set to 4GB] with this
ticket/spkg.
> Imagine I want to compile a package X outside of Sage, a package which
happens to be part of Sage (I do that with PARI for example). Then it's a
pity that the cached object files for package X appear twice in my home
directory: once in `.ccache` and once in `.sage`.
Well, then you set your ccache environment variable appropriately. To use
ccache while compiling with sage you need to set `SAGE_INSTALL_CCACHE=yes`
in your environment variable. Then, it will use whatever ccache directory
you have set and otherwise it will use the default of ~/.sage/ccache.
> My problem really boils down to this: why would you want a separate
ccache directory for Sage?
In fact, one question that I would ask is - what other sage setting is
present outside the ~/.sage directory? If there is, then it makes sense to
mix and match sage specific settings and folders.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13032#comment:58>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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