From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Engel <andreas.engel@ericsson.com>
Date: Tue, 09 Sep 2008 16:08:11 +0200
Subject: [U-Boot] [PATCH] Makefile: compile and link each module just
 once
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References: <1220968248-24762-1-git-send-email-wd@denx.de>
Message-ID: <48C6834B.70603@ericsson.com>
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To: u-boot@lists.denx.de

Wolfgang Denk wrote:
> [...]
> "COBJS = $(sort COBJS-y)" which eliminates duplicates.
> [...]
> +COBJS  := $(sort COBJS-y)
> [...]
> +COBJS  := $(sort COBJS-y)
> [...]
> +COBJS  := $(sort COBJS-y)

I think you'll have more luck with $(sort $(COBJS-y)).

Regards,
  Andreas