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SubjectRe: Immortal CONFIG_DEBUG_INFO=y
On Sun, Nov 16, 2008 at 10:42:01AM +0300, Alexey Dobriyan wrote:
> As known to everybody doing fat builds, banning DEBUG_INFO=y is mandatory,
> otherwise build is slower and takes much more disk space. And to not
> accidently enable it, banning it in kconfig:
> @@ -475,7 +475,7 @@ config DEBUG_BUGVERBOSE
> config DEBUG_INFO
> bool "Compile the kernel with debug info"
> - depends on DEBUG_KERNEL
> + depends on DEBUG_KERNEL && DISABLED
> help
> If you say Y here the resulting kernel image will include
> debugging info resulting in a larger kernel image.
> This works pretty well -- allmodconfig generates config without DEBUG_INFO and
> so on, defconfigs also regenerated without it, even if original one in arch/
> has DEBUG_INFO enabled and so on. Trick also works for other options, like,
> Except one case:
> make ARCH=sh magicpanelr2_defconfig
> DEBUG_INFO survives to .config and resulting build runs with -g.

Because that defconfig does:

and SH_KGDB does:

Instead of editing the Kconfig file you should use the KCONFIG_ALLCONFIG trick.
See README for usage.


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