[Buildroot] [PATCH v2 1/4] package/brotli: work aroung gcc bug 68485

Arnout Vandecappelle arnout at mind.be
Mon May 27 22:11:26 UTC 2019



On 27/05/2019 23:38, Giulio Benetti wrote:
> With Microblaze Gcc version <= 9.x the build fails due to gcc bug 68485:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. The bug show up when
> building brotli with optimization but not when building with -O0. To
> work aroung this, if BR2_TOOLCHAIN_HAS_GCC_BUG_68458=y, we force using
> -O0.
> 
> Fixes:
> 
>   http://autobuild.buildroot.net/results/d86/d86251974a0a348a64d9a1d1fd7d02dd4aff0792/
> 
> Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>

 Applied to master, thanks.

 The rest of the series should go to next, actually. In fact, I should also have
applied flare-engine to next :-(

 Regards,
 Arnout


> ---
>  package/brotli/brotli.mk | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/package/brotli/brotli.mk b/package/brotli/brotli.mk
> index 2c1ad48753..248bfb9daf 100644
> --- a/package/brotli/brotli.mk
> +++ b/package/brotli/brotli.mk
> @@ -14,4 +14,8 @@ BROTLI_CONF_OPTS = \
>  	-DBROTLI_DISABLE_TESTS=ON \
>  	-DBROTLI_BUNDLED_MODE=OFF
>  
> +ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_68485),y)
> +BROTLI_CONF_OPTS += -DCMAKE_C_FLAGS="-O0"
> +endif
> +
>  $(eval $(cmake-package))
> 


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