[yocto] [PATCH 6/7] ia32-base.inc: Use a weak default assignment for kernel provider and version

[Tom Zanussi]

On Tue, 2012-05-01 at 15:12 -0700, Darren Hart wrote:
> Using the default assignment operator (?=) requires the including recipes
> to ensure to assign the Linux kernel provider and version prior to including
> ia32-base.inc. By use the weak default assignment operator (??=), the assignment
> can come after the inclusion, which avoids confusion and can lead to a more
> natural recipe structure.
> 
> Signed-off-by: Darren Hart <dvhart at linux.intel.com>

Acked-by: Tom Zanussi <tom.zanussi at intel.com>

> ---
>  conf/machine/include/ia32-base.inc |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/conf/machine/include/ia32-base.inc b/conf/machine/include/ia32-base.inc
> index 874e258..be1c8e0 100644
> --- a/conf/machine/include/ia32-base.inc
> +++ b/conf/machine/include/ia32-base.inc
> @@ -26,8 +26,8 @@ GLIBC_EXTRA_OECONF += "--with-tls"
>  #
>  # kernel-related variables
>  #
> -PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
> -PREFERRED_VERSION_linux-yocto ?= "3.0%"
> +PREFERRED_PROVIDER_virtual/kernel ??= "linux-yocto"
> +PREFERRED_VERSION_linux-yocto ??= "3.0%"
>  
>  #
>  # XSERVER subcomponents, used to build the XSERVER variable