On Wed, May 22, 2013 at 12:46:45AM +0300, Michael S. Tsirkin wrote: > 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> > --- > > Is below useful for others? > > Makefile.target | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Makefile.target b/Makefile.target > index ce4391f..4dddee5 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 %), , CORRUPTBINARY)
How does size(1) establish the validity of the ELF file? Is it possible to sneak past a truncated file (which I think is the only type of corruption you're trying to protect against)? Stefan
