[Patch] Add to the libgfortran/newlib bodge to "detect" ftruncate support in ARM/AArch64/SH

[James Greenhalgh]

On Fri, Aug 28, 2015 at 10:40:31AM +0100, James Greenhalgh wrote:
> On Tue, Aug 25, 2015 at 03:44:05PM +0100, FX wrote:
> > > 2015-08-25  James Greenhalgh  <james.greenhalgh@arm.com>
> > > 
> > > 	* configure.ac: Auto-detect newlib function support unless we
> > > 	know there are issues when configuring for a host.
> > > 	* configure: Regenerate.
> > 
> > Thanks for CC’ing the fortran list.
> > 
> > Given that this is newlib-specific code, even though it’s in libgfortran
> > configury, you should decide and commit what’s best. I don’t think we have
> > any newlib expert in the Fortran maintainers.
> > 
> > Wait for 48 hours to see if anyone else objects, though.
> 
> OK, it has been 48 hours and I haven't seen any objections. The newlib
> patch has now been committed.
> 
> I agree with Marcus' suggestion that we put the more comprehensive patch
> (which requires the newlib fix) on trunk and my original patch (which does
> not) on the release branches.
> 
> I'll go ahead with that later today.

Now in place on trunk (r227301), gcc-5-branch (r227302) and gcc-4_9-branch
(r227304).

Give me a shout if you see issues in your build systems.

Thanks,
James