Re: [PATCH 1/2] kbuild: change module.order to list *.o instead of *.ko

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On Sun, Jan 1, 2023 at 2:48 AM Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> wrote:
>
> On 11.12.2022 22:04:07, Masahiro Yamada wrote:
> > scripts/Makefile.build replaces the suffix .o with .ko, then
> > scripts/Makefile.modpost calls the sed command to change .ko back
> > to the original .o suffix.
> >
> > Instead of converting the suffixes back-and-forth, store the .o paths
> > in modules.order, and replace it with .ko in 'make modules_install'.
> >
> > This avoids the unneeded sed command.
>
> This breaks direct compilation of kernel modules (on current Linus's
> master):
>
> | $ make drivers/net/can/dev/can-dev.ko
> | [...]
> |   CC [M]  drivers/net/can/dev/skb.o
> |   CC [M]  drivers/net/can/dev/calc_bittiming.o
> |   CC [M]  drivers/net/can/dev/bittiming.o
> |   CC [M]  drivers/net/can/dev/dev.o
> |   CC [M]  drivers/net/can/dev/length.o
> |   CC [M]  drivers/net/can/dev/netlink.o
> |   LD [M]  drivers/net/can/dev/can-dev.o
> | make[5]: 'drivers/net/can/dev/can-dev.mod' is up to date.
> |   LDS     scripts/module.lds
> |   MODPOST Module.symvers
> | drivers/net/can/dev/can-dev.ko: No such file or directory
> | make[1]: *** [.../linux/scripts/Makefile.modpost:129: Module.symvers] Error 1
> | make: *** [.../linux/Makefile:1982: single_modules] Error 2
>
> According to "make help" it should be possible:
>
> |  dir/file.ko     - Build module including final link
>
> I've bisected it to:
>
> | first bad commit: [f65a486821cfd363833079b2a7b0769250ee21c9] kbuild: change module.order to list *.o instead of *.ko
>
> regards,
> Marc



Thanks for the report. I submitted a fix.

https://lore.kernel.org/lkml/20230101060709.208512-1-masahiroy@xxxxxxxxxx/T/#u




>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
> Embedded Linux                   | https://www.pengutronix.de  |
> Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
> Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |



-- 
Best Regards
Masahiro Yamada



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