[Buildroot] [PATCH] pixman: disable vmx for powerpc CS toolchains

[Yann E. MORIN]

Gustavo, All,

On 2015-12-07 11:27 -0300, Gustavo Zacarias spake thusly:
> The ppc CS toolchains have flaky VMX (AKA altivec) implementation
> causing build failure. Disable it for these toolchains. Fixes:
> http://autobuild.buildroot.net/results/3b4/3b4cda40f074578f6b35b1fb381ba37b93174e86/
> 
> Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>

Tested-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
[yann.morin.1998 at free.fr: build-tested only]
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>

Regards,
Yann E. MORIN.

> ---
>  package/pixman/pixman.mk | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/package/pixman/pixman.mk b/package/pixman/pixman.mk
> index 8281773..8845315 100644
> --- a/package/pixman/pixman.mk
> +++ b/package/pixman/pixman.mk
> @@ -32,5 +32,10 @@ ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII201405),y)
>  PIXMAN_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -DPIXMAN_NO_TLS"
>  endif
>  
> +# Altivec detection isn't reliable for CS toolchains
> +ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201103)$(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201009),y)
> +PIXMAN_CONF_OPTS += --disable-vmx
> +endif
> +
>  $(eval $(autotools-package))
>  $(eval $(host-autotools-package))
> -- 
> 2.4.10
> 
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