[PATCH 02/10] kconfig: Add scripts/Kconfig.include from v4.19

[Tom Rini]

On Mon, May 18, 2020 at 11:55:11AM +0900, Masahiro Yamada wrote:
> Tom,
> 
> 
> 
> On Thu, May 14, 2020 at 9:32 PM Tom Rini <trini at konsulko.com> wrote:
> >
> > As part of re-syncing our Kconfig logic up to v4.19, we had missed
> > adding this new file that includes helper macros.  To quote the upstream
> > commit e1cfdc0e72fc ("kconfig: add basic helper macros to scripts/Kconfig.include"):
> >
> > Kconfig got text processing tools like we see in Make.  Add Kconfig
> > helper macros to scripts/Kconfig.include like we collect Makefile
> > macros in scripts/Kbuild.include.
> >
> > Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
> > Signed-off-by: Tom Rini <trini at konsulko.com>
> 
> 
> If you want to align with Linux kernel, please go ahead.
> 
> 
> Some notes.
> 
> 
> Previously, CROSS_COMPILE was not required at the Kconfig stage.
> 
> So, people was able to do this:
> 
>       make qemu_arm64_defconfig
>       make CROSS_COMPILE=aarch64-linux-gnu-
> 
> 
> Going forward, Kconfig requires CROSS_COMPILE set correctly.
> 
>       make CROSS_COMPILE=aarch64-linux-gnu-  qemu_arm64_defconfig
>       make CROSS_COMPILE=aarch64-linux-gnu-
> 
> Maybe, passing CROSS_COMPILE as an environment variable is handier
> 
>       export CROSS_COMPILE=aarch64-linux-gnu-
>       make qemu_arm64_defconfig
>       make
> 
> 
> 
> 
> 
> When you upgrade the compiler, in theory,
> you must re-run Kconfig because the .config now
> contains the compiler information.
> 
> If you want to do this automatically,
> you can import CC_VERSION_TEXT.
> 
> Specifically, the following two commits:
> 21c54b774744719c386fbdc829b0e7759edb8ece
> 315bab4e972d9795529b764718d475492db40c0f

OK, so we really want to grab those changes as well at the time, thanks!

-- 
Tom
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