From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Benjamin Marzinski" Subject: Re: [RFC PATCH 09/20] multipath-tools: Makefile.inc: use -Werror=cast-qual Date: Wed, 28 Feb 2018 23:59:48 -0600 Message-ID: <20180301055948.GY14513@octiron.msp.redhat.com> References: <20180220132658.22295-1-mwilck@suse.com> <20180220132658.22295-10-mwilck@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20180220132658.22295-10-mwilck@suse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Martin Wilck Cc: dm-devel@redhat.com List-Id: dm-devel.ids On Tue, Feb 20, 2018 at 02:26:47PM +0100, Martin Wilck wrote: > Casting "const" away is often an indicator for wrong code. > Add a compiler flag to warn about such possible breakage. > Reviewed-by: Benjamin Marzinski > Signed-off-by: Martin Wilck > --- > Makefile.inc | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Makefile.inc b/Makefile.inc > index eb99c36010c1..a5b9d4e3fa74 100644 > --- a/Makefile.inc > +++ b/Makefile.inc > @@ -87,6 +87,7 @@ STACKPROT := $(call TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector) > OPTFLAGS = -O2 -g -pipe -Wall -Wextra -Wformat=2 -Werror=implicit-int \ > -Werror=implicit-function-declaration -Werror=format-security \ > -Wno-sign-compare -Wno-unused-parameter -Wno-clobbered \ > + -Werror=cast-qual -Werror=discarded-qualifiers \ > -Wp,-D_FORTIFY_SOURCE=2 $(STACKPROT) \ > --param=ssp-buffer-size=4 > > -- > 2.16.1