[Buildroot] [PATCH v2 1/1] efivar: force shared libgcc for Nios II

Romain Naour romain.naour at smile.fr
Fri Jul 1 14:25:41 UTC 2016


Hi Erico,

Le 28/06/2016 à 21:25, Erico Nunes a écrit :
> efivar for Nios II also has to be linked with shared libgcc to avoid an
> error due to FDE encoding in static libgcc when linking libefiboot.so.

It seems the very same issue than for grantlee package which build with
--fatal-warnings. This flag is added by gcc.specs file on non static build. See [1]

Usually we recommend to remove Werror or --fatal-warnings flags if it produce
warnings with some toolchains.

[1] https://sourceware.org/bugzilla/show_bug.cgi?id=20173

Best regards,
Romain

> 
> Fixes:
> http://autobuild.buildroot.net/results/0c9/0c90e3e7ad41d21dd832f6f266af35fc19185170/
> 
> Signed-off-by: Erico Nunes <nunes.erico at gmail.com>
> 
> ---
> Changes v1 -> v2:
>   - simplified ifeq muliple arch logic (suggested by Thomas Petazzoni)
> ---
>  package/efivar/efivar.mk | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/package/efivar/efivar.mk b/package/efivar/efivar.mk
> index de48bc9..d3ca79b 100644
> --- a/package/efivar/efivar.mk
> +++ b/package/efivar/efivar.mk
> @@ -21,9 +21,9 @@ EFIVAR_MAKE_OPTS = \
>  	BINTARGETS=efivar \
>  	LDFLAGS="$(TARGET_LDFLAGS) -fPIC"
>  
> -# Explicitly linking with shared libgcc is required on MicroBlaze,
> +# Explicitly linking with shared libgcc is required on MicroBlaze and Nios II,
>  # otherwise it fails due to FDE encoding in static libgcc.
> -ifeq ($(BR2_microblaze),y)
> +ifeq ($(BR2_microblaze)$(BR2_nios2),y)
>  EFIVAR_MAKE_OPTS += SOFLAGS="-shared -shared-libgcc"
>  endif
>  
> 



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