On Fri, Jul 11, 2025 at 05:02:18PM -0400, Richard Fontana wrote: > On Fri, Jul 11, 2025 at 3:38 AM Greg Kroah-Hartman > <gre...@linuxfoundation.org> wrote: > > > > On Fri, Jul 11, 2025 at 12:32:57AM -0700, Christoph Hellwig wrote: > > > On Fri, Jul 11, 2025 at 09:30:31AM +0200, Greg Kroah-Hartman wrote: > > > > That's a crazy exception, and one that should probably be talked about > > > > with the FSF to determine exactly what the SPDX lines should be. > > > > > > It is called the libgcc exception and has been around forever for the > > > files in libgcc.a that a lot of these low-level kernel helpers were > > > copied from as the kernel doesn't link libgcc. > > > > Ah, so it would be something like this exception: > > https://spdx.org/licenses/GCC-exception-2.0.html > > but the wording doesn't seem to match. > > > > I'll let the license lawyers figure this out, thanks for the hint! > > This one > > * In addition to the permissions in the GNU General Public License, the > * Free Software Foundation gives you unlimited permission to link the > * compiled version of this file with other programs, and to distribute > * those programs without any restriction coming from the use of this > * file. (The General Public License restrictions do apply in other > * respects; for example, they cover modification of the file, and > * distribution when not linked into another program.) > > is `GCC-exception-2.0` > > while this one: > > * As a special exception, if you link this library with files > * compiled with GCC to produce an executable, this does not cause > * the resulting executable to be covered by the GNU General Public > License. > * This exception does not however invalidate any other reasons why > * the executable file might be covered by the GNU General Public License. > > does not seem to be in the SPDX exception list. It is very similar to > `GNU-compiler-exception` except it specifically mentions GCC instead > of saying "a GNU compiler".
https://spdx.org/licenses/GNU-compiler-exception.html is exactly this. Segher
