Re: mv-if-changed for .config and autoconfig.h; less recompilitations

Philip Blundell (Philip.Blundell@pobox.com)
Mon, 11 Aug 1997 08:50:48 -0000

>This patch checks if .config and include/linux/autoconfig.h were acatually
>changed before overwriting them; this significintly cuts down on the
>recompilitaion rate if your like me and always do a "make oldconfig" when

I wonder if it would be worth doing this for modversions.h as well. I've
noticed that `make modules' quite often rebuilds everything, even if it wasn't
necessary, and I speculate this is because modversions.h has gotten rebuilt in
the meantime (which can happen when _any_ file that exports a symbol is
changed).

p.