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SubjectRe: [PATCH] builddeb: generate multi-arch friendly linux-libc-dev package
CCed a couple of people.

On Mon, Jun 17, 2019 at 3:15 PM Cedric Hombourger
<Cedric_Hombourger@mentor.com> wrote:
>
> Debian-based distributions place libc header files in a machine
> specific directory (/usr/include/<libc-machine>) instead of
> /usr/include/asm to support installation of the linux-libc-dev
> package from multiple architectures. Move headers installed by
> "make headers_install" accordingly.
>
> Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com>
> Reviewed-by: Henning Schild <henning.schild@siemens.com>
> ---
> scripts/package/builddeb | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/scripts/package/builddeb b/scripts/package/builddeb
> index b03dd56a4782..8f7afb3a84e9 100755
> --- a/scripts/package/builddeb
> +++ b/scripts/package/builddeb
> @@ -132,6 +132,11 @@ fi
> if [ "$ARCH" != "um" ]; then
> $MAKE -f $srctree/Makefile headers_check
> $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
> + # move asm headers to /usr/include/<libc-machine>/asm to match the structure
> + # used by Debian-based distros (to support multi-arch)
> + libc_mach=$($CC -dumpmachine)
> + mkdir $libc_headers_dir/usr/include/$libc_mach
> + mv $libc_headers_dir/usr/include/asm $libc_headers_dir/usr/include/$libc_mach/
> fi
>
> # Install the maintainer scripts


I am not sure but,
I just worried about the backward compatibility...
Was this previously broken?

I guess debian is using own control file
instead of the one in upstream kernel.
So, this is almost a matter for developers, I think.

How did debian-base distros managed this before,
and will this introduce no breakage?

Ben,
Could you comment on this?


--
Best Regards
Masahiro Yamada

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