[PATCH] config: define CONFIG to allow different defconfigs for each ARCH
Khem Raj
raj.khem at gmail.com
Wed Aug 24 15:50:00 UTC 2011
On 8/24/2011 7:19 AM, Carmelo AMOROSO wrote:
> Add a new option CONFIG to specify different defconfigs for each ARCH.
> The naming convention assume that the defconfig are defined as
> $(ARCH)_$(CONFIG)
>
> i.e.
> make ARCH=sh CONFIG=prelink defconfig
>
> will look for extra/Configs/defconfigs/sh_prelink
while not opposed to this patch I think this fragmentation can lead to
usage complexity something like what linux kernel does could be an option
>
> Signed-off-by: Carmelo Amoroso<carmelo.amoroso at st.com>
> ---
> Makefile.help | 2 ++
> Makefile.in | 6 +++++-
> 2 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/Makefile.help b/Makefile.help
> index d99cf96..006f0c7 100644
> --- a/Makefile.help
> +++ b/Makefile.help
> @@ -50,6 +50,8 @@ help:
> @echo ' V=2 - Very verbose build'
> @echo ' CROSS= - Override CROSS_COMPILER_PREFIX from .config'
> @echo ' ARCH= - Use given arch for config targets'
> + @echo ' CONFIG= - Use given CONFIG to specify a specific defconfig for the given ARCH'
> + @echo ' based on the following naming convention: ARCH_CONFIG'
> @echo ' SHELL= - Shell to use for make'
> @echo ' CONFIG_SHELL= - Shell to use for menuconfig'
> @echo
> diff --git a/Makefile.in b/Makefile.in
> index ad9e629..4975598 100644
> --- a/Makefile.in
> +++ b/Makefile.in
> @@ -447,9 +447,13 @@ allyesconfig: $(top_builddir)extra/config/conf
> allnoconfig: $(top_builddir)extra/config/conf
> $(Q)$(top_builddir)extra/config/conf -n extra/Configs/Config.in
>
> +ifdef CONFIG
> +CONFIG_SFX=_$(CONFIG)
> +endif
> +
> defconfig: $(top_builddir)extra/config/conf
> $(Q)$(top_builddir)extra/config/conf \
> - -D extra/Configs/defconfigs/$(ARCH) extra/Configs/Config.in
> + -D extra/Configs/defconfigs/$(ARCH)$(CONFIG_SFX) extra/Configs/Config.in
>
> menuconfig-clean-y:
> $(Q)$(MAKE) -C extra/config CLEAN_extra/config
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