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Re: FSF Policy re. inclusion of source code from other projects in GCC

Richard Guenther wrote:
> On 3/17/06, Mark Mitchell <> wrote:
>> Richard Guenther, would you please add a README to libgcc-math
>> explaining that it that the GLIBC code is not part of GCC, as per the
>> web page above?  Also, please document that all of the GLIBC files are
> I will do so.

Thank you.

>> Because RMS has approved the use of GLIBC's software floating-point code
>> in GCC's runtime libraries, using GPL + exception, the correct thing for
>> Joseph Myers to do with his recent patch is to mark those files as not
>> part of GCC, but rather as part of GLIBC, and adjust the copyright
>> notice to be GPL + exception.  Joseph should also document (in a README
>> or similar) that these files are not to be changed, except by import
>> from upstream GLIBC.
> Do I understand this correctly that the upstream GLIBC versions of the
> files will get their license changed, or will this happen only in the GCC
> copy?

Only in the GCC copy.

I don't understand enough about libgcc-math to know what should happen
there; I don't even know what bits of GLIBC you used.  RMS has given
explicit permission to use GPL + exception for the software
floating-point emulation code, but not for any other part of GLIBC.

Mark Mitchell
(650) 331-3385 x713

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