linux-kernel - Re: [PATCH] kbuild: rpm-pkg: fix binrpm-pkg breakage when O= is used

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Message-ID: <CAK7LNARxO-wawD6pOoFNyJ8Sh1=XucX=K5ACOuksKKBTzdxMiQ@mail.gmail.com>
Date:   Sat, 10 Nov 2018 01:19:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     zhenzhong.duan@...cle.com, Michal Marek <michal.lkml@...kovi.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: rpm-pkg: fix binrpm-pkg breakage when O= is used

On Mon, Nov 5, 2018 at 4:52 PM Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> Zhenzhong Duan reported that running 'make O=/build/kernel binrpm-pkg'
> failed with the following errors:
>
>   Running 'make O=/build/kernel binrpm-pkg' failed with below two errors.
>
>   Makefile:600: include/config/auto.conf: No such file or directory
>
>   + cp make -C /mnt/root/kernel O=/build/kernel image_name make -f
>   /mnt/root/kernel/Makefile ...
>   cp: invalid option -- 'C'
>   Try 'cp --help' for more information.
>
> Prior to commit 80463f1b7bf9 ("kbuild: add --include-dir flag only
> for out-of-tree build"), both objtree and srctree were added to
> --include-dir, and the wrong code 'make image_name' was working
> relying on that. Now, the potential issue that had previously been
> hidden just showed up.
>
> 'make image_name' recurses to the generated $(objtree)/Makefile and
> ends up with running in srctree, which is incorrect. It should be
> invoked with '-f $srctree/Makefile' (or KBUILD_SRC=) to be executed
> in objtree.
>
> Fixes: 80463f1b7bf9 ("kbuild: add --include-dir flag only for out-of-tree build")
> Reported-by: Zhenzhong Duan <zhenzhong.duan@...cle.com>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---

Applied to linux-kbuild/fixes.



>  scripts/package/mkspec | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/scripts/package/mkspec b/scripts/package/mkspec
> index e05646d..009147d 100755
> --- a/scripts/package/mkspec
> +++ b/scripts/package/mkspec
> @@ -12,6 +12,7 @@
>  # how we were called determines which rpms we build and how we build them
>  if [ "$1" = prebuilt ]; then
>         S=DEL
> +       MAKE="$MAKE -f $srctree/Makefile"
>  else
>         S=
>  fi
> @@ -78,19 +79,19 @@ $S  %prep
>  $S     %setup -q
>  $S
>  $S     %build
> -$S     make %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
> +$S     $MAKE %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
>  $S
>         %install
>         mkdir -p %{buildroot}/boot
>         %ifarch ia64
>         mkdir -p %{buildroot}/boot/efi
> -       cp \$(make image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
> +       cp \$($MAKE image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
>         ln -s efi/vmlinuz-$KERNELRELEASE %{buildroot}/boot/
>         %else
> -       cp \$(make image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
> +       cp \$($MAKE image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
>         %endif
> -$M     make %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} KBUILD_SRC= modules_install
> -       make %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr KBUILD_SRC= headers_install
> +$M     $MAKE %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} modules_install
> +       $MAKE %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
>         cp System.map %{buildroot}/boot/System.map-$KERNELRELEASE
>         cp .config %{buildroot}/boot/config-$KERNELRELEASE
>         bzip2 -9 --keep vmlinux
> --
> 2.7.4
>


-- 
Best Regards
Masahiro Yamada