[Buildroot] [PATCH 1/9] gcc/bfin: doesn't support --with-cpu defaults

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Sun Jul 21 15:35:39 UTC 2013


Dear Gustavo Zacarias,

On Sat, 20 Jul 2013 09:52:07 -0300, Gustavo Zacarias wrote:
> Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>

> +# GCC doesn't support --with-cpu for bfin
> +ifeq ($(BR2_bfin),)
>  ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
>  ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
>  HOST_GCC_COMMON_CONF_OPT += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
> @@ -166,6 +168,7 @@ else
>  HOST_GCC_COMMON_CONF_OPT += --with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
>  endif
>  endif
> +endif

This looks odd because the BR2_GCC_TARGET_CPU_REVISION thing was added
by Sonic Zhang, see 66d41890ec2b76189bcd427a0cc3966ff56f9712. So it is
specifically useful on Blackfin. Maybe just with Analog Devices
toolchains, I don't know. But clearly, removing that for Blackfin seems
wrong.


-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com


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