Re: [PATCH 7/8] kbuild: move W=... stuff to Kbuild.arch

From: Michal Marek
Date: Tue Jun 26 2012 - 06:37:46 EST


On 5.5.2012 10:18, Sam Ravnborg wrote:
> Prevent that we eveluate cc-option multiple times for the same
> option by moving the definitions to Kbuild.arch.
> The file is included once only, thus gcc is not invoked once per directory.

Nice.


> Another side-effect of this patch is that KCFLAGS are appended last
> to the list of options. This allows us to better control the options.
> Artem Bityutskiy <dedekind1@xxxxxxxxx> noticed this.
>
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Artem Bityutskiy <dedekind1@xxxxxxxxx>
> ---
> scripts/Kbuild.arch | 51 +++++++++++++++++++++++++++++++++++++++++++++++-
> scripts/Makefile.build | 51 ------------------------------------------------
> 2 files changed, 50 insertions(+), 52 deletions(-)
>
> diff --git a/scripts/Kbuild.arch b/scripts/Kbuild.arch
> index 230050f..6ff27c6 100644
> --- a/scripts/Kbuild.arch
> +++ b/scripts/Kbuild.arch
> @@ -76,6 +76,56 @@ ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)
> KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
> endif
>
> +# make W=... settings

Again a nitpick only, in the comment earlier in this file

# This warning generated too much noise in a regular build.
# Use make W=1 to enable this warning (see scripts/Makefile.build)

the scripts/Makefile.build reference lost its meaning now.

Michal
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