No License on math.h

[Corinna Vinschen]

On Mar 22 08:30, Joel Sherrill wrote:
> On Mon, Mar 22, 2021 at 7:36 AM Corinna Vinschen via Newlib <
> newlib@sourceware.org> wrote:
> 
> > On Mar 19 19:19, Joel Sherrill wrote:
> > > On Fri, Mar 19, 2021, 7:07 PM Brian Inglis <
> > Brian.Inglis@systematicsw.ab.ca>
> > > wrote:
> > >
> > > > On 2021-03-19 15:51, Joel Sherrill wrote:
> > > > > We noticed there is no copyright or license in math.h. Unfortunately,
> > > > this
> > > > > file has this as the oldest commit:
> > > > > 2000-02-17 Christopher Faylor import newlib-2000-02-17 snapshot
> > > > > And at that time it didn't have a file header either.
> > > > > Any ideas what header should be on it?
> > > >
> > > > The default first licence which applies if no explicit licence is
> > > > specified:
> > > >
> > > >
> > https://sourceware.org/git/?p=newlib-cygwin.git;a=blob;f=COPYING.NEWLIB
> > >
> > >
> > > We discussed on RTEMS chat that was likely the answer. Would you please
> > add
> > > that? There is no provenance in the git history that this is intended and
> > > not a mistake.
> > >
> > > I can think of one case where it turned out to be a mistake by the
> > > submitter.
> >
> > Not in this case.  The file is as old as the repo itself and the import
> > was done from the internal Cygnus repo into the new public CVS repo.
> > COPYING.NEWLIB is pretty explicit here.
> >
> [...]
> Another was to ask for newlib's math.h to define something to indicate
> it has long double support for a target. This would be preferable long
> term especially since adding long double math for some RTEMS targets
> where double != long double is on the todo list.

Adding those to newlib would be quite helpful to all arches.

> Would a define like _NEWLIB_HAS_LONG_DOUBLE_MATH being set
> when long double be possible? But looking at the math.h right now, I'm
> not sure the precise line to add it.

Just send patches.


Thanks,
Corinna