Re: [RFC PATCH v12 4/4] LRNG - enable compile

From: Arnd Bergmann
Date: Tue Jul 18 2017 - 04:51:51 EST


On Tue, Jul 18, 2017 at 9:59 AM, Stephan MÃller <smueller@xxxxxxxxxx> wrote:
> Add LRNG compilation support.
>
> diff --git a/drivers/char/Makefile b/drivers/char/Makefile
> index 53e3372..87e06ec 100644
> --- a/drivers/char/Makefile
> +++ b/drivers/char/Makefile
> @@ -2,7 +2,15 @@
> # Makefile for the kernel character device drivers.
> #
>
> -obj-y += mem.o random.o
> +obj-y += mem.o
> +
> +ifeq ($(CONFIG_LRNG),y)
> + obj-$(CONFIG_LRNG) += lrng.o
> + lrng-y += lrng_base.o lrng_chacha20.o
> +else
> + obj-y += random.o
> +endif

I think you can write the same in a more readable way without the
intermediate object:

ifdef CONFIG_LRNG
obj-y += lrng_base.o lrng_chacha20.o
else
obj-y += random.o
endif

Arnd