#13032: Add ccache as a standard spkg
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Reporter: rohana | Owner: GeorgSWeber
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.1
Component: build | Resolution:
Keywords: sd40.5 | Work issues:
Report Upstream: N/A | Reviewers:
Authors: R. Andrew Ohana | Merged in:
Dependencies: | Stopgaps:
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Comment (by kini):
I mean that when you say "Software X is under the GPL", what you actually
mean is "when I obtained software X, I did so under the GPL". If I am the
copyright holder to software X, there is no contradiction in me giving it
to person A under the GPL and person B under the BSD license. Similarly,
if I'm the copyright holder of f90cache, there's no contradiction if I
give f90cache to J. Random Hacker under an ill-specified non-GPL license,
but at the same time give f90cache to rohana under GPLv2+.
Of course, it turns out I am actually contractually forbidden by the
ccache authors from licensing f90cache to J. Random Hacker under this ill-
specified non-GPL license, because f90cache is a derivative work of a
version of ccache which I myself obtained under the GPLv2+. But there's
nothing wrong with my simultaneous licensing of f90cache to rohana under
GPLv2+. At least, that's my understanding of it, based on what guys on
#fsf told me a long time ago - IANAL, needless to say :)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13032#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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