Simplify --sysroot=/

[Alan Modra]

On Mon, Oct 29, 2018 at 10:22:03AM +0100, Andreas Schwab wrote:
> On Okt 29 2018, Alan Modra <amodra@gmail.com> wrote:
> 
> > diff --git a/ld/ldmain.c b/ld/ldmain.c
> > index 464192049a..6f3ce6f810 100644
> > --- a/ld/ldmain.c
> > +++ b/ld/ldmain.c
> > @@ -584,21 +584,25 @@ static const char *
> >  get_sysroot (int argc, char **argv)
> >  {
> >    int i;
> > -  const char *path;
> > +  const char *path = NULL;
> >  
> >    for (i = 1; i < argc; i++)
> >      if (CONST_STRNEQ (argv[i], "--sysroot="))
> > -      return argv[i] + strlen ("--sysroot=");
> > +      path = argv[i] + strlen ("--sysroot=");
> 
> Should this break out?

No, that's a bug fix.  Pick the last --sysroot.  I probably should
have mentioned that in the ChangeLog.

-- 
Alan Modra
Australia Development Lab, IBM