[Buildroot] [PATCH 1/1] Botan: Disable AltiVec if the CPU does not support it

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Jun 6 19:44:57 UTC 2017


Hello,

On Tue, 6 Jun 2017 16:29:11 +0200, Tobias.Blass at rohde-schwarz.com wrote:
> Botan compiles all PowerPC code with AltiVec support and only determines 
> at runtime
> whether the CPU even supports it. If the target CPU uses the older SPE 
> extensions, though,
> this is too late; since SPE and AltiVec are incompatible, gcc aborts the 
> compilation.
> This patch explicitly disables AltiVec support unless 
> BR2_POWERPC_CPU_HAS_ALTIVEC is defined
> 
> Signed-off-by: Tobias Blass <tobias.blass at rohde-schwarz.com>
> ---
>  package/botan/botan.mk | 6 ++++++
>  1 file changed, 6 insertions(+)

Applied to master, thanks. Peter: since it apparently fixes a runtime
issue, I guess we could backport to LTS branch.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com



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