From nobody Tue Apr 5 21:43:35 2022 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 74B841A81763; Tue, 5 Apr 2022 21:43:35 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KY1Nl2kXKz4q4Q; Tue, 5 Apr 2022 21:43:35 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1649195015; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=xKYj1mGm36ueh6Em6Yi5ue5toOK3pKZgQn6xdTmxr10=; b=TUPBJVsAoCLEEg0JRMn5tcROTGI7kN/3ryZR8922qo2nJSDpz2lUOwHsnCueU/48dl11A3 niBzLtRQu+BcBR1DqT08NqMmlR0nU+AIHSlLn7wymKKlleC5fs7UNhVrqPSvyPUsZ+JkRY QlsWLb0x7nsTcW9PPG8zqHv5FmNIXR9xe03eGV0IC5Z4qnSLpPIlO2mpv200d3H+q/TYph DG6GZHBYzdGKeHMfSQToLWt6ZU0fj7eA+IwlT+HwzCDKCy1QY67Om7uoJoWQnTq/w8Bph+ dc4be1WHMapndFUxjGuqJ0f98rRWK/+m+jJwFXSFEqEfTfZS3OMuLK1X1hnD3A== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3EC166A8D; Tue, 5 Apr 2022 21:43:35 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 235LhZ8j001239; Tue, 5 Apr 2022 21:43:35 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 235LhZjO001238; Tue, 5 Apr 2022 21:43:35 GMT (envelope-from git) Date: Tue, 5 Apr 2022 21:43:35 GMT Message-Id: <202204052143.235LhZjO001238@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Robert Wing Subject: git: e8e691983bb7 - main - suppress set but not used warnings for kernel builds List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: rew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e8e691983bb75e80153b802f47733f1531615fa2 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1649195015; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=xKYj1mGm36ueh6Em6Yi5ue5toOK3pKZgQn6xdTmxr10=; b=hn+HsGDroe2gw99Y3K80ELzlhdMirNhVgkpY7x+ttlCdCvsDr4/wcDWLxLbKqtFQQ9H2Tf wWudbpWLBtMYJsExJv2DTct9sDtlWY2KhlMCP0/0Sy3OSjse5GT7i1WXelmB/gB8untIzl kqX9czvn5zRFwPAhlzeGYfzRV6+Ks3OEHa8Lk9Z/msN1wGnol28X+CUrzVEG0E//51HQEw yCUVUdJ5+IYbsKTg2DxZC1jTWv6TedGXTm0dL3HD3d4cn2jk2mnKVy6U/vKxiNivr53TJR kk3WbeAQtE6VHW2sEAR9jItjP4RjZ+UXxeAnyUQMZqU1wJ4caUBQhTgCcSq1/Q== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1649195015; a=rsa-sha256; cv=none; b=a36mEjMdFKZKrzNJl7kBVSSczsAhaQgn8fTHnq2vJSU7A2kuhXHFgMd1VFWyroWGYule5c S/MSgRO9BCgWh47OzkmQgMwCF3L4VWLaroom7eoF98vYD+8LJfsflci5rUMRC2JNI+HD2U ZV+sVBVsOSSLwHSLAYD0dihcmIEGmNop4CeYps117+k2DkMS7SQ449tHhR06L43SqU1Gft 54kiBVTlHu9sDfqkpJo8oq/3a4sNX6x/RNvaKSXqKoJ4aqJRyTHpAIlJh0DcrytHnO4WlR YqBluOlVjCPWyoxNe8txIlOJk3vt2tedVXPdOArCp24a5+FHJUpuQ9bwBENtwQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by rew: URL: https://cgit.FreeBSD.org/src/commit/?id=e8e691983bb75e80153b802f47733f1531615fa2 commit e8e691983bb75e80153b802f47733f1531615fa2 Author: Robert Wing AuthorDate: 2022-04-05 21:28:54 +0000 Commit: Robert Wing CommitDate: 2022-04-05 21:34:34 +0000 suppress set but not used warnings for kernel builds Use -Wno-unused-but-set-variable for kernel builds with clang13. To turn this warning back on, set the following in src.conf: WITH_SET_BUT_NOTUSED_KERNEL_WARNINGS= Reviewed by: mjg, imp Differential Revision: https://reviews.freebsd.org/D34784 --- sys/conf/kern.mk | 6 +++++- sys/conf/kern.opts.mk | 3 ++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk index f97be774ea10..67756b7fb986 100644 --- a/sys/conf/kern.mk +++ b/sys/conf/kern.mk @@ -43,7 +43,11 @@ CWARNEXTRA?= -Wno-error=tautological-compare -Wno-error=empty-body \ CWARNEXTRA+= -Wno-error=shift-negative-value CWARNEXTRA+= -Wno-address-of-packed-member .if ${COMPILER_VERSION} >= 130000 -CWARNFLAGS+= -Wno-error=unused-but-set-variable +.if ${MK_SET_BUT_NOTUSED_KERNEL_WARNINGS} == "no" +CWARNEXTRA+= ${NO_WUNUSED_BUT_SET_VARIABLE} +.else +CWARNEXTRA+= -Wno-error=unused-but-set-variable +.endif .endif .endif # clang diff --git a/sys/conf/kern.opts.mk b/sys/conf/kern.opts.mk index 077009baebf0..19789180ee93 100644 --- a/sys/conf/kern.opts.mk +++ b/sys/conf/kern.opts.mk @@ -60,7 +60,8 @@ __DEFAULT_NO_OPTIONS = \ INIT_ALL_ZERO \ KERNEL_RETPOLINE \ RATELIMIT \ - REPRODUCIBLE_BUILD + REPRODUCIBLE_BUILD \ + SET_BUT_NOTUSED_KERNEL_WARNINGS # Some options are totally broken on some architectures. We disable # them. If you need to enable them on an experimental basis, you