[Skiboot] [PATCH] Makefile: Support CROSS_COMPILE as well as CROSS

[Stewart Smith]

Michael Ellerman <mpe at ellerman.id.au> writes:
> A lot of projects use CROSS_COMPILE for specifying the cross compile
> prefix, so support that as well as CROSS.
>
> For example this allows a user to set CROSS_COMPILE once in their
> environment and build both Linux & Skiboot with the same setting.

Merged slightly modified version that only set CROSS if CROSS_COMPILE
was defined (otherwise we'd set CROSS to empty and the logic below
wouldn't end up setting CROSS thus leading to failed builds if you're
lazy like me and let the auto foo there set CROSS for you)

> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
> ---
>  Makefile | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Makefile b/Makefile
> index 96c387f0bd4f..ec82317ec005 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -6,6 +6,7 @@
>  # Example: CROSS= powerpc64-unknown-linux-gnu-
>  #
>  ARCH = $(shell uname -m)
> +CROSS ?= $(CROSS_COMPILE)
>  ifeq ("$(ARCH)", "ppc64")
>  	CROSS ?=
>  else
> -- 
> 2.1.0
>
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