[PATCH 2/5] kbuild: allow archs to select build for link dead code/data elimination

[Sam Ravnborg]

On Mon, Aug 08, 2016 at 01:29:03PM +1000, Nicholas Piggin wrote:
> On Sat, 6 Aug 2016 22:14:23 +0200
> Sam Ravnborg <sam at ravnborg.org> wrote:
> 
> > On Fri, Aug 05, 2016 at 10:12:00PM +1000, Nicholas Piggin wrote:
> > > Introduce LINKER_DCE option for architectures to select if they want
> > > to build with -ffunction-sections, -fdata-sections, and link with
> > > --gc-sections.  
> > 
> > Can you please try to come up with a less cryptic name.
> > "DCE" may make sense for you today.
> > Bot the naive reader will benefit from the longer and
> > more explcit form.
> 
> Yes that's a good idea. The name sucks.
> 
> We don't seem to consistently have a prefix for build configuration
> options, but we could start? KBUILD_LD_DEAD_CODE_DATA_ELIMINATION?

For cc related options we sort of have: KCONFIG_CC IIRC.
So for LD related options we could use the shorter CONFIG_LD_ prefix.

	Sam