Re: make deb-pkg: Does not strip debug symbols when compressing modules

Salvatore Bonaccorso
2023-12-14T20:34:23Z

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Hi,

On Thu, Dec 14, 2023 at 09:10:41PM +0100, Salvatore Bonaccorso wrote:
> Hi
>
> When using (only tested with XZ compression, but the others should
> behave similarly) CONFIG_MODULE_COMPRESS_XZ=y to compress the modules,
> it looks that the debug symbols are not striped.
>
> Building with the attached test configuration results in packages:
>
> -rw-r--r-- 1 build build 8.9M Dec 14 20:47 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build 75M Dec 14 20:48 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build 1014M Dec 14 20:47 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
> -rw-r--r-- 1 build build 1.3M Dec 14 20:47 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-1_amd64.deb
>
> This is odd, the linux-image-6.7.0-rc5+ package has a size of almost
> 1G and the modules are not stripped.
>
> Switching the values instread to
>
> CONFIG_MODULE_COMPRESS_NONE=y
> # CONFIG_MODULE_COMPRESS_XZ is not set
>
> the packages are again produced correctly:
>
> -rw-r--r-- 1 build build 8.9M Dec 14 20:59 linux-headers-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build 819M Dec 14 21:00 linux-image-6.7.0-rc5+-dbg_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build 73M Dec 14 20:59 linux-image-6.7.0-rc5+_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb
> -rw-r--r-- 1 build build 1.3M Dec 14 20:59 linux-libc-dev_6.7.0-rc5-00042-g88035e5694a8-2_amd64.deb

and the classical one. Missed to attach the promised attachement. The
used config is now here.

Regards,
Salvatore

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