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On purely copyright grounds, any BSD licensed code can be relicensed as Apache 2.0 code. And the patent grant was solely from Facebook so it can be modified at

by khuey 9y ago

On purely copyright grounds, any BSD licensed code can be relicensed as Apache 2.0 code. And the patent grant was solely from Facebook so it can be modified at their discretion.

vbernat 9y ago
First paragraph of BSD license says: "Redistributions of source code must retain the above copyright-notice, this list of conditions and the following disclaimer". I agree you can add the Apache 2.0 license on top of that, but you cannot discard the BSD license unless you own the code.
dchest 9y ago
This is incorrect. Here's the full text of BSD license: Copyright (c) 2011 The LevelDB Authors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Google Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. View The first list item disproves your statement.
- thrillgore 9y ago
  There is a similar clause in the MIT License, which is even weaker than the BSD License.
  - dchest 9y ago
    MIT license includes the right to sublicense, however the terms of sublicensing is retaining the original copyright and permission notices, so you'll still have to retain the large portion of the MIT license text.

by khuey 9y ago

On purely copyright grounds, any BSD licensed code can be relicensed as Apache 2.0 code. And the patent grant was solely from Facebook so it can be modified at their discretion.

vbernat 9y ago

First paragraph of BSD license says: "Redistributions of source code must retain the above copyright-notice, this list of conditions and the following disclaimer". I agree you can add the Apache 2.0 license on top of that, but you cannot discard the BSD license unless you own the code.

dchest 9y ago

This is incorrect. Here's the full text of BSD license: Copyright (c) 2011 The LevelDB Authors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Google Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. View The first list item disproves your statement.

thrillgore 9y ago
There is a similar clause in the MIT License, which is even weaker than the BSD License.
- dchest 9y ago
  MIT license includes the right to sublicense, however the terms of sublicensing is retaining the original copyright and permission notices, so you'll still have to retain the large portion of the MIT license text.