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	Thu, 20 Aug 2015 06:49:52 -0400
Subject: Re: how to echo $(KBUILD_CFLAGS)
References: <848BD1798F19584EADB3CD55379CFD64665E59C7@SHMX01.s3graphics.com>
From: Michal Marek <mmarek@suse.com>
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Date: Thu, 20 Aug 2015 12:49:50 +0200
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To: RaphaelWu@viatech.com.cn
Cc: linux-kbuild@vger.kernel.org

On 2015-08-20 12:45, RaphaelWu@viatech.com.cn wrote:
> Hi,
> 
> I have seen this VAR used in some kernel module which also forbid ftrace.
> but I was curious about whenever I echo $(KBUILD_CFLAGS), it's always empty.
> 
> all:
> @echo $(KBUILD_CFLAGS)
> $(MAKE) -C /path-of-kernel/ M=$(PWD) modules

This does not look like a kbuild makefile, so it does not see any
KBUILD_* variables.

Michal