[kvm-unit-tests PATCH] Makefile: Use CFLAGS in cc-option

[Thomas Huth]

On 07/03/2025 09.39, Andrew Jones wrote:
> When cross compiling with clang we need to specify the target in
> CFLAGS and cc-option will fail to recognize target-specific options
> without it. Add CFLAGS to the CC invocation in cc-option.
> 
> Signed-off-by: Andrew Jones <andrew.jones at linux.dev>
> ---
>   Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Makefile b/Makefile
> index 78352fced9d4..9dc5d2234e2a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -21,7 +21,7 @@ DESTDIR := $(PREFIX)/share/kvm-unit-tests/
>   
>   # cc-option
>   # Usage: OP_CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
> -cc-option = $(shell if $(CC) -Werror $(1) -S -o /dev/null -xc /dev/null \
> +cc-option = $(shell if $(CC) $(CFLAGS) -Werror $(1) -S -o /dev/null -xc /dev/null \
>                 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
>   
>   libcflat := lib/libcflat.a

Reviewed-by: Thomas Huth <thuth at redhat.com>