From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 05 Jun 2023 08:39:04 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q63ru-00BSPG-0L for lore@lore.pengutronix.de; Mon, 05 Jun 2023 08:39:04 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q63rr-0004qM-Ja for lore@pengutronix.de; Mon, 05 Jun 2023 08:39:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=E5OqPSHwIGNb56b69j6izPYrvxuMDT2K8WU1Df/e0kw=; b=q9zuittndsIWHbpaXfGKho2Rpe nEEE+4oQMoJxNUMw30DobYoh4UGf3rUCDOWtwCnQnqLFDlBIMWKP69NzBo9nblSUGsvHoh8eyNGRx ya3GFXfrPgZd2nYsklzhDI3HztzX2sgYaDINrVC9mDaxjVjMP+6MXshtfFXyef62FAokofiIdBmXY 5JusmPEtWRXtmeHiJhiG/FRz1SslatM2OQY5r7zq/3gIJMnDgDS1D0uQM0yipJy49fIdWKgomsncd njbFaVRsopeJV6HEzAOaPM5z0cOs5EmrkpXofnTSW77dS4WzWD7eeBFP4QpLPMgfAeAJvQmr4FtzT iHn2LaqA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q63qt-00EONr-08; Mon, 05 Jun 2023 06:38:03 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q63qp-00EOL3-2q for barebox@lists.infradead.org; Mon, 05 Jun 2023 06:38:01 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q63qo-0004Ua-J2; Mon, 05 Jun 2023 08:37:58 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1q63qn-005CuO-Se; Mon, 05 Jun 2023 08:37:57 +0200 Received: from afa by dude05.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1q63qn-00628d-2n; Mon, 05 Jun 2023 08:37:57 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 5 Jun 2023 08:37:55 +0200 Message-Id: <20230605063755.1438127-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230604_233759_918346_3B7A783D X-CRM114-Status: GOOD ( 12.37 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] common: add CONFIG_WERROR option X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) For development, it may be useful to enforce warning-free builds. Add a Kconfig option for this. Signed-off-by: Ahmad Fatoum --- This can be enabled for CI, once my other series with warning fixes is merged. --- Makefile | 4 ++++ common/Kconfig | 14 ++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/Makefile b/Makefile index 4fdb8f1b41af..af5c1448b378 100644 --- a/Makefile +++ b/Makefile @@ -648,6 +648,8 @@ endif # Force gcc to behave correct even for buggy distributions KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) +KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror + # This warning generated too much noise in a regular build. # Use make W=1 to enable this warning (see scripts/Makefile.build) KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) @@ -692,6 +694,8 @@ KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,) # change __FILE__ to the relative path from the srctree KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) +KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) + include-y +=scripts/Makefile.ubsan include-$(CONFIG_KASAN) += scripts/Makefile.kasan diff --git a/common/Kconfig b/common/Kconfig index 11aabbb509df..5cfe717aa70d 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1701,6 +1701,20 @@ config COMPILE_TEST say Y here. If you are a user, say N here to avoid being prompted for inclusion of unrelated drivers. +config WERROR + bool "Compile barebox with warnings as errors" + default COMPILE_TEST + help + A barebox build should not cause any compiler warnings, and this + enables the '-Werror' flags to enforce that rule by default. + + However, if you have a new (or very old) compiler with odd and + unusual warnings, or you have some architecture with problems, + you may need to disable this config option in order to + successfully build barebox. + + If in doubt, say Y. + endmenu source "common/efi/Kconfig" -- 2.39.2