Permissive licenses

[Ryan Schmidt]

On May 14, 2013, at 22:59, Leo Singer wrote:

> For porting packages with the following licenses
> 
> http://code.google.com/p/mplh5canvas/source/browse/trunk/LICENSE.txt
> http://code.google.com/p/pywebsocket/source/browse/trunk/src/COPYING
> 
> are these considered 'Permissive', i.e., is 'license Permissive' appropriate in Portfiles for these two packages? The key terms are:
> 
> 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 <insert company name here> 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.

That's the 3-clause BSD license:

http://en.wikipedia.org/wiki/BSD_licenses#3-clause_license_.28.22Revised_BSD_License.22.2C_.22New_BSD_License.22.2C_or_.22Modified_BSD_License.22.29

In MacPorts we call that "license BSD".