As indicated in the thread "4.3.2.rc0 failing on Solaris as R needs iconv" we
now need to add iconv. This is ticket
http://trac.sagemath.org/sage_trac/ticket/8191
This should also help resolve the issue at
http://trac.sagemath.org/sage_trac/ticket/7319
which is Cygwin issue.
I downloaded iconv-1.13.1 and see two files - COPYING and COPYING.LIB.
COPYING, which starts:
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
COPYING.LIB, which starts:
GNU LIBRARY GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Note, COPYING.LIB is not the normal file, like in gcc, which allows you to
distribute the gcc libraries, its the GPL2 file.
As such, I' don't know where we stand with this. There are two different license
files in the same package, which is obvious a mix-up.
I suppose the fact there is a GPL2 file, means this can be considered GPL2.
Another option would be to
* Seek clarification. I suspect they will say it's GPL3 myself, as it's a GNU
product.
* Use an older version.
I'm tempted to include the latest, as there is a file called COPYING.LIB which
is GPL2, and says you can use a later version of the GPL if you wish.
I'm making a package based on the assumption this is GPL2. If anyone disagrees,
then I'm sure I can change the source easily to an older release.
Dave
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