Re: [WARNING -mm] 2.6.18-rc2-mm1 build kills /dev/null!?

[Andreas Mohr <andi@rhlx01.fht-esslingen.de>]

On Thu, Jul 27, 2006 at 12:17:09PM +0200, Andreas Mohr wrote:
> Hi,
> 
> On Thu, Jul 27, 2006 at 12:11:28PM +0200, Andreas Mohr wrote:
> > Hello all,
> > 
> > for some reason a 2.6.18-rc2-mm1 build seems to kill my /dev/null device!
> 
> Replying to myself, this could easily be due to:

Yup, seems it is, see newly posted:

"Re: [PATCH] vDSO hash-style fix"
http://lkml.org/lkml/2006/7/27/83

| > +# ld-option
| > +# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
| > +ld-option = $(shell if $(CC) $(1) \
| > +			     -nostdlib -o /dev/null -xc /dev/null \
| > +             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
| 
| This is not good. When I introduced something similar for lxdialog I
| received lots of reports about /dev/null becoming a regular file.
| ld does something strange with the output file when it fails.
| 
| When re-done ld-option shall be accompanied by documentation in
| Documentation/makefiles.txt like cc-option.

Could we have a -mm hot-fix here?

Andreas Mohr
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