Re: [PATCH 1/2] MIPS: fix *-pkg builds for loongson2ef platform

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On Wed, Nov 10, 2021 at 12:01:45AM +0900, Masahiro Yamada wrote:
> Since commit 805b2e1d427a ("kbuild: include Makefile.compiler only when
> compiler is needed"), package builds for the loongson2f platform fail.
> 
>   $ make ARCH=mips CROSS_COMPILE=mips64-linux- lemote2f_defconfig bindeb-pkg
>     [ snip ]
>   sh ./scripts/package/builddeb
>   arch/mips/loongson2ef//Platform:36: *** only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop.  Stop.
>   cp: cannot stat '': No such file or directory
>   make[5]: *** [scripts/Makefile.package:87: intdeb-pkg] Error 1
>   make[4]: *** [Makefile:1558: intdeb-pkg] Error 2
>   make[3]: *** [debian/rules:13: binary-arch] Error 2
>   dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
>   make[2]: *** [scripts/Makefile.package:83: bindeb-pkg] Error 2
>   make[1]: *** [Makefile:1558: bindeb-pkg] Error 2
>   make: *** [Makefile:350: __build_one_by_one] Error 2
> 
> The reason is because "make image_name" fails.
> 
>   $ make ARCH=mips CROSS_COMPILE=mips64-linux- image_name
>   arch/mips/loongson2ef//Platform:36: *** only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop.  Stop.
> 
> In general, adding $(error ...) in the parse stage is troublesome,
> and it is pointless to check toolchains even if we are not building
> anything. Do not include Kbuild.platform in such cases.
> 
> Fixes: 805b2e1d427a ("kbuild: include Makefile.compiler only when compiler is needed")
> Reported-by: Jason Self <jason@xxxxxxxxxxxx>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
> 
>  arch/mips/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/mips/Makefile b/arch/mips/Makefile
> index e036fc025ccc..ace7f033de07 100644
> --- a/arch/mips/Makefile
> +++ b/arch/mips/Makefile
> @@ -253,7 +253,9 @@ endif
>  #
>  # Board-dependent options and extra files
>  #
> +ifdef need-compiler
>  include $(srctree)/arch/mips/Kbuild.platforms
> +endif
>  
>  ifdef CONFIG_PHYSICAL_START
>  load-y					= $(CONFIG_PHYSICAL_START)
> -- 
> 2.30.2

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]



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