libgcc-math and the gcc 4.2 release

[Mark Mitchell]

Richard Guenther wrote:
> Hi,
> 
> Following RMS request of removing source copies of other projects I
> asked him if he considers it ok to have copies of the generic math
> transcendentals routines of glibc in libgcc-math and to distribute
> them under GPL + libgcc exception clause license.  He denied that
> request and so, after doing the emergency-removal of the wrongly
> licensed double parts from libgcc-math I am going to remove the float
> parts as well.  This renders the SSE2 abi math functions support
> unusable, so I am going forward and remove the following middle-end
> patches as well:

Yes, that seems like the right plan, given RMS' decision.

> As we're far into stage3 now I propose to remove libgcc-math from the
> mainline again and re-instantiate it at the beginning of stage1 again.

Again, I think that's a good idea.

> Another option would be to remove the library only after branching
> for 4.2 and only on that branch.

I think it's better to remove it from mainline, just so that if there
are any build issues we catch them before we branch.

Thanks,

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713