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Merge pull request #6034 from daira/bosl-notice 

COPYING: Address feedback about the use of "permissive"
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Marshall Gaucher 2022-06-30 15:47:14 -07:00 committed by GitHub
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COPYING
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@ -32,12 +32,16 @@ dependencies. For further details see 'contrib/debian/copyright'.
Although almost all of the Zcash code is licensed under "permissive" open source
licenses, there are two dependencies that use "copyleft" open source licenses:
- Users and distributors should note that when built using the default build
options, Zcash depends on Oracle Berkeley DB 6.2.x, which is licensed under
options, zcashd depends on Oracle Berkeley DB 6.2.x, which is licensed under
the GNU Affero General Public License.
- Downstream code forks should note that Zcash depends on the 'orchard' crate,
which is licensed under the Bootstrap Open Source License. An exception is
provided that makes this a "permissive" license when used in Zcash or some of
its chain forks.
- Downstream code forks should note that zcashd depends on the 'orchard' crate,
which is licensed under the Bootstrap Open Source License.
A license exception is provided allowing some derived works that are linked or
combined with the 'orchard' crate to be copied or distributed under the original
licenses (in this case documented in 'contrib/debian/copyright'), provided that
the included portions of the 'orchard' code remain subject to BOSL.
See https://github.com/zcash/orchard/blob/main/COPYING for details of which
projects can make use of this exception.
Contributors should understand licensing implications before modifying the