Re: [PATCH] kbuild: deb-pkg: Add libdw-dev:native to Build-Depends-Arch
From: Petr Pavlu
Date: Fri Mar 28 2025 - 06:19:27 EST
On 3/26/25 18:41, WangYuli wrote:
> The dwarf.h header, which is included by
> scripts/gendwarfksyms/gendwarfksyms.h, resides within the libdw-dev
> package.
>
> This portion of the code is compiled under the condition that
> CONFIG_GENDWARFKSYMS is enabled.
>
> Consequently, add libdw-dev to Build-Depends-Arch to prevent
> unforeseen compilation failures.
>
> Fix follow possible error:
> In file included from scripts/gendwarfksyms/cache.c:6:
> scripts/gendwarfksyms/gendwarfksyms.h:6:10: fatal error: 'dwarf.h' file not found
> 6 | #iIn file included from nscripts/gendwarfksyms/symbols.cc:lude6 :
> <dwarf.hscripts/gendwarfksyms/gendwarfksyms.h>:6
> : 10| : ^~~~~~~~~
> fatal error: 'dwarf.h' file not found
> 6 | #include <dwarf.h>
> | ^~~~~~~~~
>
> Fixes: f28568841ae0 ("tools: Add gendwarfksyms")
> Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx>
> ---
> scripts/package/mkdebian | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
> index 0178000197fe..25edee97fff7 100755
> --- a/scripts/package/mkdebian
> +++ b/scripts/package/mkdebian
> @@ -209,7 +209,7 @@ Rules-Requires-Root: no
> Build-Depends: debhelper-compat (= 12)
> Build-Depends-Arch: bc, bison, flex,
> gcc-${host_gnu} <!pkg.${sourcename}.nokernelheaders>,
> - kmod, libelf-dev:native,
> + kmod, libdw-dev:native, libelf-dev:native,
> libssl-dev:native, libssl-dev <!pkg.${sourcename}.nokernelheaders>,
> python3:native, rsync
> Homepage: https://www.kernel.org/
If scripts/package/mkdebian is updated in this way then I think
scripts/package/mkspec -> scripts/package/kernel.spec should be adjusted
as well for consistency.
File scripts/package/kernel.spec contains:
BuildRequires: (elfutils-libelf-devel or libelf-devel) flex
elfutils-libelf-devel is for Fedora/RH distros, libelf-devel is for
(open)SUSE.
If I'm looking correctly, a new dependency to make dwarf.h available for
both would be:
BuildRequires: elfutils-devel or libdw-devel
--
Thanks,
Petr