cryptlib has entered rawhide and is licensed under the Sleepycat license
(among other things).
Historically, the Sleepycat license was deemed compatible with the GPL,
version 2, because it was another (soft) copyleft license.
However, I'm not so sure if this is true for GPL, version 3. The
Sleepycat license implements copyleft like this:
“
3. Redistributions in any form must be accompanied by information on
how to
obtain complete source code for the cryptlib software and any
accompanying
software that uses the cryptlib software. The source code must
either be
included in the distribution or be available for no more than the
cost of
distribution, and must be freely redistributable under reasonable
conditions. For an executable file, complete source code means
the source
code for all modules it contains or uses. […]
”
The above appears to be a further restriction on top of the GPL, version
3, which gives this permission:
“
You may make, run and propagate covered works that you do not
convey, without conditions so long as your license otherwise remains
in force. You may convey covered works to others for the sole purpose
of having them make modifications exclusively for you, or provide you
with facilities for running those works, provided that you comply with
the terms of this License in conveying all material for which you do
not control copyright. Those thus making or running the covered works
for you must do so exclusively on your behalf, under your direction
and control, on terms that prohibit them from making any copies of
your copyrighted material outside their relationship with you.
”
I think it is impossible to grant a downstream user these additional
permissions if the combined work also needs to comply with the Sleepycat
license.
Should <https://fedoraproject.org/wiki/Licensing:Main> be updated to
state that the Sleepycat license is only compatible with the GPL, version 2?
Thanks,
Florian
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