On Thu, Dec 12, 2002 at 01:56:37PM +1100, Keith Owens wrote:
> On Wed, 11 Dec 2002 18:20:30 +0100 (MET),
> "Maciej W. Rozycki" <email@example.com> wrote:
> >On Wed, 11 Dec 2002, Jun Sun wrote:
> >> > > This is because arch/mips/lib/Makefile says:
> >> > >
> >> > > obj-$(CONFIG_IDE) += ide-std.o ide-no.o
> >> > [...]
> >> > > 3) use some smart trick in Makefile so that we include those
> >> > > two files only if CONFIG_IDE is 'y' or 'm'. (How?)
> >> >
> >> > obj-$(CONFIG_IDE_MODULE)
> >> This does not work. Apparently, CONFIG_IDE_MODULE is not created
> >> for makefile part.
> > Indeed -- my fault. Variables such as $(CONFIG_IDE) are four-state and
> >for the module case they are simply set to "m". But then you can use
> >"ifeq ($(CONFIG_IDE),m)". Another approach is to invent an additional
> >variable automatically set to "y" whenever CONFIG_IDE is enabled.
> obj-$(subst m,y,$(CONFIG_IDE)) += ide-std.o ide-no.o
> ide-std.o ide-no.o are built in if CONFIG_IDE is m or y.
This is the most clean solution so far. Anybody would object
See the attached patch.
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