[Numpy-discussion] Is distributing GPL + exception dll in the windows installer ok

David Cournapeau cournape@gmail....
Sun Oct 30 07:02:36 CDT 2011


On Sun, Oct 30, 2011 at 11:38 AM, Matthieu Brucher
<matthieu.brucher@gmail.com> wrote:
> Hi David,
>
> Is every GPL part GCC related? If yes, GCC has a licence that allows to
> redistribute its runtime in any program (meaning the program's licence is
> not relevant).

Good point, I should have specified the dll in question:
  - libgcc
  - libstdc++
  - libgfortran

As far as I know, all those fall under the license you mention (GPL +
exception), but it was not entirely clear to me.

cheers,

David
>>
>> While testing the mingw gcc 3.x -> 4.x migration, I realized that some
>> technical requirements in gcc 4.x have potential license implications.
>> In short, it is more difficult now than before to statically link
>> gcc-related runtimes into numpy/scipy. I think using the DLL is safer
>> and better, but it means the windows installers will contain GPL code.
>> My understanding is that this is OK because the code in question is
>> GPL + exception, meaning the usual GPL requirements only apply to
>> those runtimes, and that's ok ?
>>
>> cheers,
>>
>> David
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>
>
>
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