linux-kernel - Re: [PATCH] tools: spi: enable CROSS

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Date:   Wed, 7 Sep 2016 16:06:39 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>,
        broonie@...nel.org, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools: spi: enable CROSS_COMPILE in Makefile

On 07/09/16 15:28, Jorge Ramirez-Ortiz wrote:
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
> ---
>  tools/spi/Makefile | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/tools/spi/Makefile b/tools/spi/Makefile
> index cd0db62..d1845b0 100644
> --- a/tools/spi/Makefile
> +++ b/tools/spi/Makefile
> @@ -1,4 +1,8 @@
> +CC = $(CROSS_COMPILE)gcc
> +
>  all: spidev_test spidev_fdx
>
> +%: %.c
> +	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<

What is this extra rule for?

The built in rules should already honour both these variables (and more 
besides).


Daniel.