From: Peter Dimov (pdimov_at_[hidden])
Date: 2003-06-30 09:56:33
Ed Brey wrote:
> Peter Dimov wrote:
>> I'd like also to point out that it seems to me that the old "in all
>> copies" form is better than the new one; the legal system is
>> sufficiently flexible
>> to reliably recognize a "copy" (i.e. a password protected RAR archive
>> of an mp3 encoded song). The new wording seems to allow
>> self-extracting archives of "the Software" to not carry the license.
> To elaborate on this point, allow me to present two specific use
> cases to clarify the potential loopholes, both arising from the
> clause "unless such copies or derivative works are solely in the form
> of machine-executable object code generated by a source language
> * Suppose I create a product containing executables that make use of
> compiled boost libraries (only - no uncompiled boost source). I
> consider the CD and its content to be the "work" and I copyright it
> as such. It is a work derived from the Software (Boost license
> definition). Suppose the CD contains a plain text readme file. The
> derivative work is not /solely/ in the form of object code.
> Technically, I would have to include the boost copyright info, even
> though that is not the intent of the license.
> * Although "language" by definition represents expression with
> constraining rules restricting valid combinations of input, it is
> well established that computer languages make provision for
> encapsulating of unconstrained binary data. Suppose I create a C++
> program whose sole purpose is to create a file containing a
> significant portion of boost source code. My program contains a long
> C string which is the boost source code. Once I compile the C++ code
> into object code, I meet the exception, and don't need to include the
> copyright info, which is contrary to the intent of the license.
Yep. It is my understanding that our "original" license uses the following
implicit definition of "copy":
A copy of a copyrighted work can be used to recover, display or perform
This seems to cover your two examples. The CD cannot be used to recover the
Boost source, the program can.
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