[Fedora-legal-list] Trusster Open Source License

Tom "spot" Callaway tcallawa at redhat.com
Wed Jul 7 12:51:00 UTC 2010

On 07/06/2010 09:03 AM, Shakthi Kannan wrote:
> Hi,
> --- On Thu, Dec 31, 2009 at 3:42 AM, Tom "spot" Callaway
> <tcallawa at redhat.com> wrote:
> | The Trusster Open Source License is Free, but GPL incompatible. I've
> | added it to the Fedora approved licenses list, please use:
> |
> | License: TOSL
> \--
> Can you please let me know what is meant here by "GPL incompatible",
> or what is not possible when using TOSL?

It means that you cannot take a library which is under TOSL and combine
it with files under the GPL, as the result is incompatible.

> I have been able to package the Teal tool (released under TOSL) for
> Fedora. It provides a framework for verification of source code.
> Hence, test suites written using this framework also have to "include"
> project source code files. Please CMIIW:
> 1. If the project source code is released under GPL and the test
> suites use TOSL, can we still use them with Teal?

Assuming the files are combined as you describe, the answer is no.

> 2. What if the project source code is released under LGPLv2+, can we
> still use Teal as long as the test suites are also released under

LGPLv2+ is generally considered to be compatible with most licenses, I
doubt there is any problem with this combination.


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