(+CC Jonas Gorski)
On Tue, Mar 26, 2019 at 6:58 PM Wiebe, Wladislav (Nokia - DE/Ulm)
<wladislav.wiebe@xxxxxxxxx> wrote:
>
> Commit ea837f1c0503 ("kbuild: make modpost processing configurable")
> was intended to give KBUILD_MODPOST_WARN flexibility to be configurable.
> Right now KBUILD_MODPOST_WARN gets just ignored when KBUILD_EXTMOD is
> set which happens per default when building modules out of the tree.
>
> This change gives the opportunity to define module build behaving also
> in case of out of tree builds and default will become exit on error.
> Errors which can be detected by the build should be trapped out of the box
> there, unless somebody wants to notice broken stuff later at runtime.
If an external module refers to a symbol
provided by another external module,
this patch will turn the warning into the error by default,
which is probably a bad idea.
I suggested a desired change in the following.
https://patchwork.kernel.org/patch/9980691/
I am poking Jonas Gorski
if he plans to send v2.
> Signed-off-by: Wladislav Wiebe <wladislav.wiebe@xxxxxxxxx>
> ---
> scripts/Makefile.modpost | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
> index 6b7f354f189a..fec6ec2ffa47 100644
> --- a/scripts/Makefile.modpost
> +++ b/scripts/Makefile.modpost
> @@ -78,7 +78,7 @@ modpost = scripts/mod/modpost \
> $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
> $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
> $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E) \
> - $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w)
> + $(if $(KBUILD_MODPOST_WARN),-w)
>
> MODPOST_OPT=$(subst -i,-n,$(filter -i,$(MAKEFLAGS)))
>
> --
> 2.19.2
--
Best Regards
Masahiro Yamada
