On Wed, May 22, 2013 at 08:32:52AM +0200, Stefan Weil wrote: > Am 22.05.2013 00:07, schrieb Michael S. Tsirkin: > > Once in a while make gets killed and doesn't > > clean up partial object files after it. > > Result is nasty errors from link. > > This hack checks object is well formed before linking, > > and rebuilds it if not. > > > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > --- > > > > v1 actually prints some noise on stderr, this shuts it up. > > > > Makefile.target | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/Makefile.target b/Makefile.target > > index ce4391f..c506d4c 100644 > > --- a/Makefile.target > > +++ b/Makefile.target > > @@ -191,3 +191,10 @@ endif > > > > GENERATED_HEADERS += config-target.h > > Makefile: $(GENERATED_HEADERS) > > + > > +.SECONDEXPANSION: > > + > > +.PHONY: CORRUPTBINARY > > + > > +$(all-obj-y): % : $$(if $$(shell size % 2>/dev/null), , CORRUPTBINARY) > > + > > > This modification adds build complexity and execution time for > each build, just to fix a potential problem which is very rare. > > I personally prefer the current solution (remove bad object files > manually).
One way would be to make this optional. > I did not test the patch, but won't cross builds be caught in an > endless loop when the native size command does not know the > cross object format? > > Regards, > Stefan True, I'll fix this up.