On Fri, Aug 12, 2011 at 8:40 AM, Paolo Bonzini <bonz...@gnu.org> wrote: >>> Can't this sequence happen? >>> >>> proc1: cp unwind.h $(gcc_objdir)/include/tmp-unwind.h >>> proc2: cp unwind.h $(gcc_objdir)/include/tmp-unwind.h >>> proc1: sh $(srcdir)/../move-if-change \ >>> $(gcc_objdir)/include/tmp-unwind.h \ >>> $(gcc_objdir)/include/unwind.h >>> proc2: sh $(srcdir)/../move-if-change \ >>> $(gcc_objdir)/include/tmp-unwind.h \ >>> $(gcc_objdir)/include/unwind.h >>> >>> It sounds like the latter move-if-change could trip on >>> a non-extant tmp-unwind.h. >> >> Yes, we should use an unique tmp unwind.h. > > Thanks, you are correct. >
It should work. Thanks. -- H.J.
