Re: [PATCH v3 13/30] tools: dma: Append extra cflags

[Ian Rogers]

On Sun, Mar 8, 2026 at 9:48 AM Leo Yan <leo.yan@xxxxxxx> wrote:
>
> Append EXTRA_CFLAGS to CFLAGS so that additional flags can be applied to
> the compiler.
>
> Signed-off-by: Leo Yan <leo.yan@xxxxxxx>
> ---
>  tools/dma/Makefile | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tools/dma/Makefile b/tools/dma/Makefile
> index e4abf37bf020ca613b6dca340299198cb887126a..bdca05c69a8a12a4f9419eed8c1df71adac4f26d 100644
> --- a/tools/dma/Makefile
> +++ b/tools/dma/Makefile
> @@ -16,6 +16,7 @@ endif
>  # (this improves performance and avoids hard-to-debug behaviour);
>  MAKEFLAGS += -r
>
> +override CFLAGS += $(EXTRA_CFLAGS)
>  override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include

The append should probably happen last to allow the default values to
be overridden.

Thanks,
Ian

>  ALL_TARGETS := dma_map_benchmark
>
> --
> 2.34.1
>