> One way without extending the current rules could be:
>
> ifdef CONFIG_CC_WERROR
> Werror := -Werror
> endif
>
> CFLAGS_sched.o := $(Werror)
> CFLAGS_another.o := $(Werror)
>
> What do you think?
We could extend kbuild to support something like this:
ccflags-<filename>-y := -Werror
Sample:
ccflags-sched.o-$(CONFIG_WERROR) := -Werror
The above is a nice counterpart to the existing ccflags-y.
And we could then deprecate CLFAGS_<filename> as we have today.
To remove options we could use:
ccflags-<filename>-remove-y := -pg
This is a replacement of the undocumented CFLAGS_REMOVE_<filename> variant.
Today:
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_lockdep.o = -pg
endif
Could be replaced with:
ccflags-lockdep.o-remove-$(CONFIG_FUNCTION_TRACER) := -pg
The ifdef often cover more than one file so we save less lines in
reality than the example says.
All looks rather trivial to implement.
But it is maybe a bit too cryptic?
Sam
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