[Buildroot] [PATCH 1/1] package/libkrb5: force arm mode instead of Thumb mode

[Arnout Vandecappelle]

On 14/03/2024 22:32, Fabrice Fontaine wrote:
> Fix the following build failure in Thumb mode:
> 
> /tmp/ccdzbA2E.s:845: Error: selected processor does not support `mcr p15,0,r2,c7,c10,5' in Thumb mode
> 
> Fixes:
>   - http://autobuild.buildroot.org/results/08be1fa0fee0f05818cd78d4718caa3476c570ae
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

  Applied to master, thanks.

  Regards,
  Arnout

> ---
>   package/libkrb5/libkrb5.mk | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/package/libkrb5/libkrb5.mk b/package/libkrb5/libkrb5.mk
> index 62a34b2379..c58763eddd 100644
> --- a/package/libkrb5/libkrb5.mk
> +++ b/package/libkrb5/libkrb5.mk
> @@ -33,6 +33,13 @@ LIBKRB5_CONF_OPTS = \
>   	--without-tcl \
>   	--disable-rpath
>   
> +# libkrb5 has some assembly function that is not present in Thumb mode:
> +# Error: selected processor does not support `mcr p15,0,r2,c7,c10,5' in Thumb mode
> +# so, we desactivate Thumb mode
> +ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
> +LIBKRB5_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -marm"
> +endif
> +
>   # Enabling static and shared at the same time is not supported
>   ifeq ($(BR2_SHARED_STATIC_LIBS),y)
>   LIBKRB5_CONF_OPTS += --disable-static