[Buildroot] [PATCH 2/2 v2] toolchain: Add the possibility to have a mcpu option with wrapper

Yann E. MORIN yann.morin.1998 at anciens.enib.fr
Tue Nov 1 15:35:31 UTC 2011


Stany, All,

On Tuesday 01 November 2011 13:19:16 Stany MARCEL wrote:
> Permit to define the mcpu of the external toolchain wrapper, based on
> BR2_GCC_TARGET_CPU.
> 
> Signed-off-by: Stany MARCEL <stanypub at gmail.com>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at anciens.enib.fr>

Peter, I think this should go in before -rc as well.

Regards,
Yann E. MORIN.

> ---
> 
> Changes for v2:
>  * Spurious empty line removed
>  * CPU setting positionned above ABI one
> 
>  toolchain/toolchain-external/ext-tool.mk           |    5 +++++
>  .../toolchain-external/ext-toolchain-wrapper.c     |    3 +++
>  2 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk
> index 572917f..a52621c 100644
> --- a/toolchain/toolchain-external/ext-tool.mk
> +++ b/toolchain/toolchain-external/ext-tool.mk
> @@ -127,6 +127,7 @@ TOOLCHAIN_EXTERNAL_WRAPPER_ARGS = \
>  	-DBR_SYSROOT='"$(STAGING_DIR)"'
> 
>  CC_TARGET_TUNE_:=$(call qstrip,$(BR2_GCC_TARGET_TUNE))
> +CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU))
>  CC_TARGET_ARCH_:=$(call qstrip,$(BR2_GCC_TARGET_ARCH))
>  CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI))
> 
> @@ -140,6 +141,10 @@ ifneq ($(CC_TARGET_ARCH_),)
>  TOOLCHAIN_EXTERNAL_CFLAGS += -march=$(CC_TARGET_ARCH_)
>  TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ARCH='"$(CC_TARGET_ARCH_)"'
>  endif
> +ifneq ($(CC_TARGET_CPU_),)
> +TOOLCHAIN_EXTERNAL_CFLAGS += -mcpu=$(CC_TARGET_CPU_)
> +TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_CPU='"$(CC_TARGET_CPU_)"'
> +endif
>  ifneq ($(CC_TARGET_ABI_),)
>  TOOLCHAIN_EXTERNAL_CFLAGS += -mabi=$(CC_TARGET_ABI_)
>  TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ABI='"$(CC_TARGET_ABI_)"'
> diff --git a/toolchain/toolchain-external/ext-toolchain-wrapper.c b/toolchain/toolchain-external/ext-toolchain-wrapper.c
> index 3e23061..cc404f3 100644
> --- a/toolchain/toolchain-external/ext-toolchain-wrapper.c
> +++ b/toolchain/toolchain-external/ext-toolchain-wrapper.c
> @@ -28,6 +28,9 @@ static char *predef_args[] = {
>  #ifdef BR_TUNE
>  	"-mtune=" BR_TUNE,
>  #endif /* BR_TUNE */
> +#ifdef BR_CPU
> +	"-mcpu=" BR_CPU,
> +#endif
>  #ifdef BR_ABI
>  	"-mabi=" BR_ABI,
>  #endif
> --
> 1.7.1
> 
> _______________________________________________
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> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
> 
> 

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