linux-kernel - Re: [PATCH trace-cmd 3/3] Revert "trace-cmd: Use conditional assignment of CC and AR"

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Date:	Wed, 09 Mar 2011 22:26:34 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	David Sharp <dhsharp@...gle.com>
Cc:	Darren Hart <dvhart@...ux.intel.com>, linux-kernel@...r.kernel.org,
	mrubin@...gle.com
Subject: Re: [PATCH trace-cmd 3/3] Revert "trace-cmd: Use conditional
 assignment of CC and AR"

On Wed, 2011-03-09 at 21:51 -0500, Steven Rostedt wrote:

> I'll play with some other make tricks and see if I can come up with a
> better solution.

OK, it didn't take me long to come up with "Makefiles suck" ;)

But I did come up with a solution:

ifneq ("$(origin CC)", "environment")
CC = gcc
endif

CC := $(CROSS_COMPILE)$(CC)

This wont let make CC=xx work unless I also add a:

ifneq ("$(origin CC)", "command line")

around the above if, but do we care?

-- Steve


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