On 2009-03-20 05:46:08 +0100, "Robert Jacques" <sandf...@jhu.edu> said:

On Thu, 19 Mar 2009 09:23:44 -0400, Don <nos...@nospam.com> wrote:
I agree, requiring to include copyright with every binary distribution is unacceptable for a standard library. But... Tango is also available under the Academic Free License. Which I don't understand, despite having read through the ten page explanation of it. Specifically, you're allow to change it to "any license of your choice that does not contradict the terms and conditions, including Licensor's reserved rights and remedies, in this Academic Free > License;" But what does that mean? Which licenses does it include? Does it include the zlib license? I presume not. In which case Andrei and Walter's position is entirely justified. If that is correct, I will cease contributing to Tango.
Someone, _please_ tell me I'm wrong.

No, sadly you're right. According to wikipedia, the AFL is not GPL compatible. If AFL could be converted to zlib then you could convert ALF source to zlib and it would then be GPL compatible. Q.E.D. Hence, ALF can not be convert to zlib.

yes as far as I understand the problem with AFL is that it has a kind of viral component like GPL, in that derivative work need to have a compatible license, and redistribution should ensure that the license is preserved, zlib does not have that.

I don't think it is wrong, but I would be happy also with zlib...

Fawzi

So far the only other licence I saw without the binary-licence distribution problem is the Boost Software License (BSL1.0) (And of course the WTFYW licence) And I'm guessing this issue is why they wrote a new licence instead of reusing an old one.

Actually, some of the BSD/MIT like licences might be valid if you included the licence string as a constant in the binary distribution (although this is definitely not in the spirit of the licence)

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