On Fri, 2019-05-24 at 13:49 +0800, Haiqing Bai wrote:
> Error appears while building out of tree kernel module
> after recompiling the kernel:
> bitbake -c cleanall/cleansstate virtual/kernel
> bitbake -c cleanall/cleansstate hello-mod
> bitbake virtual/kernel
> bitbake hello-mod
>
> ERROR: Kernel configuration is invalid.
> include/generated/autoconf.h or include/config/auto.conf are
> missing.
> Run 'make oldconfig && make prepare' on kernel src to fix it.
> error: 'struct pt_regs' has no member named 'ds'; did you mean 'dx'?
>
> make-mod-scripts must be forced to rebuild in this case to generate
> config data in 'kernel-build-artifacts/include/config'
>
> Signed-off-by: Haiqing Bai <haiqing....@windriver.com>
> ---
> meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/meta/recipes-kernel/make-mod-scripts/make-mod-
> scripts_1.0.bb b/meta/recipes-kernel/make-mod-scripts/make-mod-
> scripts_1.0.bb
> index 97c58c5233..f55104070d 100644
> --- a/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb
> +++ b/meta/recipes-kernel/make-mod-scripts/make-mod-scripts_1.0.bb
> @@ -12,6 +12,8 @@ S = "${WORKDIR}"
> do_configure[depends] += "virtual/kernel:do_shared_workdir openssl-
> native:do_populate_sysroot"
> do_compile[depends] += "virtual/kernel:do_compile_kernelmodules"
>
> +do_configure[nostamp] = "1"
> +
> DEPENDS += "bc-native"
>
> EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS}
> ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}""
This sounds like a really bad idea and will make anything depending on
it rebuild in every build.
We need to ensure that these clean commands are not cleaning things out
of the shared kernel directory that they don't own.
Cheers,
Richard
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