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	Thu, 20 Aug 2015 04:57:35 -0400
Subject: Re: how to echo $(KBUILD_CFLAGS)
References: <848BD1798F19584EADB3CD55379CFD64665E4D3B@SHMX01.s3graphics.com>
From: Michal Marek <mmarek@suse.com>
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Date: Thu, 20 Aug 2015 10:57:31 +0200
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To: RaphaelWu@viatech.com.cn
Cc: daniel.baluta@intel.com, linux-kbuild@vger.kernel.org, octavian.purdila@intel.com, bogdan.m.davidoaia@intel.com

On 2015-08-20 04:03, RaphaelWu@viatech.com.cn wrote:
> Hi,
>         Recently I wrote a test module, within my module I need remove -pg flag
> which is defined by host Makefile (which enable -pg, ftrace function).
>         I used a trick in my module makefile KBUILD_CFLAGS := $(subst -pg,,$(KBUILD_CFLAGS)),

You are probably looking for CLFAGS_REMOVE_<file.o>.

Michal