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Date:      Sun, 4 Sep 2016 13:03:03 -0700
From:      Conrad Meyer <cem@freebsd.org>
To:        Dimitry Andric <dim@freebsd.org>
Cc:        src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org,  svn-src-head@freebsd.org
Subject:   Re: svn commit: r305392 - head/sys/conf
Message-ID:  <CAG6CVpUsC9DqCKVjXgCH99fpGukhZRYw3OnG-_WzqsX-ahGDpw@mail.gmail.com>
In-Reply-To: <D294D78E-6C86-4AA2-B804-DF55D431AA91@FreeBSD.org>
References:  <201609041755.u84HtMa5060050@repo.freebsd.org> <CAG6CVpU%2BeWvmdC-VzZ6jtQaUydsH4=9NNao8XPu2fSr0LYDgqQ@mail.gmail.com> <D294D78E-6C86-4AA2-B804-DF55D431AA91@FreeBSD.org>

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Assuming we'd like to enable building with both compilers for now,
isn't it better to use a form both accept?

Best,
Conrad

On Sun, Sep 4, 2016 at 12:31 PM, Dimitry Andric <dim@freebsd.org> wrote:
> On 04 Sep 2016, at 20:57, Conrad Meyer <cem@FreeBSD.org> wrote:
>>
>> On Sun, Sep 4, 2016 at 10:55 AM, Dimitry Andric <dim@freebsd.org> wrote:
>>> Author: dim
>>> Date: Sun Sep  4 17:55:22 2016
>>> New Revision: 305392
>>> URL: https://svnweb.freebsd.org/changeset/base/305392
>>>
>>> Log:
>>>  For kernel builds, instead of suppressing certain clang warnings, make
>>>  them non-fatal, so there is some incentive to fix them eventually.
>>>
>>> Modified:
>>>  head/sys/conf/kern.mk
>>>
>>> Modified: head/sys/conf/kern.mk
>>> ==============================================================================
>>> --- head/sys/conf/kern.mk       Sun Sep  4 17:50:23 2016        (r305391)
>>> +++ head/sys/conf/kern.mk       Sun Sep  4 17:55:22 2016        (r305392)
>>> @@ -17,13 +17,13 @@ CWARNFLAGS?=        -Wall -Wredundant-decls -Wn
>>> # kernel where fixing them is more trouble than it is worth, or where there is
>>> # a false positive.
>>> .if ${COMPILER_TYPE} == "clang"
>>> -NO_WCONSTANT_CONVERSION=       -Wno-constant-conversion
>>> -NO_WSHIFT_COUNT_NEGATIVE=      -Wno-shift-count-negative
>>> -NO_WSHIFT_COUNT_OVERFLOW=      -Wno-shift-count-overflow
>>> -NO_WSELF_ASSIGN=               -Wno-self-assign
>>> -NO_WUNNEEDED_INTERNAL_DECL=    -Wno-unneeded-internal-declaration
>>> +NO_WCONSTANT_CONVERSION=       -Wno-error-constant-conversion
>>> +NO_WSHIFT_COUNT_NEGATIVE=      -Wno-error-shift-count-negative
>>> +NO_WSHIFT_COUNT_OVERFLOW=      -Wno-error-shift-count-overflow
>>> +NO_WSELF_ASSIGN=               -Wno-error-self-assign
>>> +NO_WUNNEEDED_INTERNAL_DECL=    -Wno-error-unneeded-internal-declaration
>>> NO_WSOMETIMES_UNINITIALIZED=   -Wno-error-sometimes-uninitialized
>>> -NO_WCAST_QUAL=                 -Wno-cast-qual
>>> +NO_WCAST_QUAL=                 -Wno-error-cast-qual
>>
>> I like goal of the change.  Shouldn't these be -Wno-error=cast-qual,
>> etc., though?
>
> That's how gcc spells them.  Clang accepts both forms, there is no
> functional difference.
>
> -Dimitry
>



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