Re: [PATCH 4/5 v2] x86 boot: show pfn addresses in hex not decimal in some kernel info printks

[Sam Ravnborg <sam@ravnborg.org>]

> > 
> > For each Makefile (does not apply recursively):
> > ccflags-$(CONFIG_PROMOTE_WARNINGS_TO_ERROR) += -Werror
> > 
> > When I get around to it:
> > ccflags-sched.o-$(CONFIG_PROMOTE_WARNINGS_TO_ERROR) += -Werror
> 
> if there's a generic kbuild facility for it i'd love to try something 
> like that out, on files that i maintain. There should perhaps be a 
> shortcut for it? Something like:
> 
>   ccflags-sched.o += -Werror
> 
> and kbuild would decide whether CONFIG_PROMOTE_WARNINGS_TO_ERROR is set 
> and whether to filter out -Werror or not?

I would prefer to have a simpler CONFIG name and then
use the generic version.
So something like:

ccflags-sched.o-$(CONFIG_CC_Werror) += -Werror
It is in the above line obvious that we for sched.o add the -Werror
option if the CONFIG option CC_Werror is y.

	Sam