Re: "./contrib/gcc_update --touch" doesn't work with make

[Hans-Peter Nilsson <hp at bitrange dot com>]

On Tue, 16 Jul 2002, H. J. Lu wrote:
> On Tue, Jul 16, 2002 at 04:53:25PM -0400, Hans-Peter Nilsson wrote:
> > (Reply-draft cleanup.)
> >
> > On Tue, 2 Jul 2002, H. J. Lu wrote:
> > > On Tue, Jul 02, 2002 at 09:58:05PM +0200, Gerald Pfeifer wrote:
> > > > On Sat, 29 Jun 2002, H. J. Lu wrote:
> >
> > (About the need to silence make in gcc_update when invoked from
> > other make.)
> >
> > > > >     while ${MAKE-make} -s -f Makefile.$$ all | grep . > /dev/null; do
> > > >
> > > > If you just want to add -s to make, this is portable, as far as I can
> > > > see, so please go ahead and commit your change with a proper ChangeLog.
> > >
> > > It turns out that -s still doesn't work in all cases. I didn't bother
> > > to track it down.
> >
> > Example case where it doesn't work?  It works for me in "all
> > cases".  I've had the same patch in my tree for too long.
>
> I have a build tree for my own Linux based on RedHat. gcc 3.1 won't
> build inside my tree because gcc31.spec does
>
> %prep
> %setup -q -n gcc-%{version}-%{DATE}
> ...
> ./contrib/gcc_update --touch
>
> and ./contrib/gcc_update goes into an infinite loop when I do
>
> # make

I'm confused: Isn't this one case where you *need* the -s option
for make in gcc_update?  I asked why you say -s isn't
*sufficient*.

brgds, H-P