[PATCH] kbuild: add KBUILD_DEFCONFIG

[Jean-Christophe PLAGNIOL-VILLARD]

> On Jan 13, 2015, at 2:46 PM, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
> 
> This allows "make ARCH=... defconfig".
> 
> Fox example, you can type "make defconfig" instead of
> "make sandbox_defconfig".
> 
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> ---
> 
> arch/arm/Makefile      | 1 +
> arch/blackfin/Makefile | 1 +
> arch/efi/Makefile      | 2 ++
> arch/nios2/Makefile    | 2 ++
> arch/openrisc/Makefile | 2 ++
> arch/sandbox/Makefile  | 1 +
> arch/x86/Makefile      | 2 ++
> 7 files changed, 11 insertions(+)
> 
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index f06e2a0..9dd983b 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -1,3 +1,4 @@
> +KBUILD_DEFCONFIG := versatilepb_defconfig

no sure we need a default config on arm and some other

I known we use them on the kernel but here it could result in a broken board
if use not carefully

for arch that only have 1 defconfig and will only have one maybe

Best Regards,
J.
> 
> CPPFLAGS	+= -D__ARM__ -fno-strict-aliasing
> # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
> diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
> index 381c6a9..5c43bf7 100644
> --- a/arch/blackfin/Makefile
> +++ b/arch/blackfin/Makefile
> @@ -1,3 +1,4 @@
> +KBUILD_DEFCONFIG := ipe337_defconfig
> 
> CPPFLAGS += -fno-strict-aliasing
> 
> diff --git a/arch/efi/Makefile b/arch/efi/Makefile
> index 85cb655..b078bd0 100644
> --- a/arch/efi/Makefile
> +++ b/arch/efi/Makefile
> @@ -1,3 +1,5 @@
> +KBUILD_DEFCONFIG := efi_defconfig
> +
> CFLAGS += -fpic -fshort-wchar -mno-sse -mno-mmx
> 
> ifeq ($(CONFIG_X86_32),y)
> diff --git a/arch/nios2/Makefile b/arch/nios2/Makefile
> index 681944f..d079190 100644
> --- a/arch/nios2/Makefile
> +++ b/arch/nios2/Makefile
> @@ -1,3 +1,5 @@
> +KBUILD_DEFCONFIG := generic_defconfig
> +
> CPPFLAGS += -fno-strict-aliasing -mno-hw-mul
> 
> board-$(CONFIG_GENERIC) := generic
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index b0c8566..5394afb 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -1,3 +1,5 @@
> +KBUILD_DEFCONFIG := generic_defconfig
> +
> CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div
> 
> board-$(CONFIG_GENERIC) := generic
> diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
> index ed5d3a3..e3fb039 100644
> --- a/arch/sandbox/Makefile
> +++ b/arch/sandbox/Makefile
> @@ -1,3 +1,4 @@
> +KBUILD_DEFCONFIG := sandbox_defconfig
> 
> CPPFLAGS += -D__SANDBOX__ -fno-strict-aliasing
> 
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index a78fa22..da17d70 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -1,3 +1,5 @@
> +KBUILD_DEFCONFIG := generic_defconfig
> +
> CPPFLAGS += -D__X86__ -fno-strict-aliasing
> 
> board-y := x86_generic
> -- 
> 1.9.1
> 
> 
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