[OE-core] [PATCH][master&fido] image.bbclass: Disable USE_DEPMOD for the dummy kernel

[Richard Purdie]

On Tue, 2015-06-23 at 12:22 -0700, Saul Wold wrote:
> The image bbclass will try to find the kernel-abiversion file which is not part
> of the linux-dummy kernel since there is no actual kernel. In this case using
> depmod also does not make sense since there should not be any kernel module built.
> 
> [YOCTO #7884]
> 
> Signed-off-by: Saul Wold <sgw at linux.intel.com>
> ---
>  meta/classes/image.bbclass | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> index 01f8b3f..be245e9 100644
> --- a/meta/classes/image.bbclass
> +++ b/meta/classes/image.bbclass
> @@ -66,7 +66,7 @@ PACKAGE_INSTALL_ATTEMPTONLY ?= "${FEATURE_INSTALL_OPTIONAL}"
>  EXCLUDE_FROM_WORLD = "1"
>  
>  USE_DEVFS ?= "1"
> -USE_DEPMOD ?= "1"
> +USE_DEPMOD ?= '${@oe.utils.conditional("PREFERRED_PROVIDER_virtual/kernel", "linux-dummy", "0", "1", d)}'
>  

I'm not convinced this is the right way to solve this. How about we
teach the code in rootfs.py not to generate a modules.dep file if there
are no kernel modules to generate dependency information for?

Cheers,

Richard