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helo=lists.xenproject.org; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C From: Michal Orzel To: CC: Michal Orzel , Andrew Cooper , George Dunlap , "Jan Beulich" , Julien Grall , "Stefano Stabellini" , Wei Liu Subject: [for-4.19][PATCH] build: Allow setting KBUILD_DEFCONFIG in the environment Date: Wed, 25 Oct 2023 10:28:34 +0200 Message-ID: <20231025082834.31680-1-michal.orzel@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB53:EE_|LV2PR12MB5798:EE_ X-MS-Office365-Filtering-Correlation-Id: 6d837ec8-2abe-4dc9-d762-08dbd5346bdd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(376002)(39860400002)(346002)(136003)(396003)(230922051799003)(186009)(451199024)(82310400011)(64100799003)(1800799009)(36840700001)(40470700004)(46966006)(81166007)(26005)(40460700003)(36860700001)(2906002)(41300700001)(44832011)(86362001)(5660300002)(36756003)(8936002)(8676002)(4326008)(6916009)(54906003)(478600001)(1076003)(82740400003)(70206006)(356005)(70586007)(316002)(40480700001)(2616005)(83380400001)(47076005)(426003)(336012)(6666004)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2023 08:28:52.7304 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6d837ec8-2abe-4dc9-d762-08dbd5346bdd X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB53.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5798 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1698222573015100001 Content-Type: text/plain; charset="utf-8" At the moment, in order to use a different defconfig target than default, one needs to specify KBUILD_DEFCONFIG=3D on the command line. Switch to weak assignment, so that it can be also obtained from environment similar to other KCONFIG/KBUILD variables. This change will activate the use of KBUILD_DEFCONFIG variable in CI build jobs that so far had no effect. Note, that we will deviate from Linux in this regard. Signed-off-by: Michal Orzel Acked-by: Jan Beulich --- In case of reluctance to this approach, we can always do: make -C xen defconfig KBUILD_DEFCONFIG=3D${KBUILD_DEFCONFIG} in automation/scripts/build. Also, Linux defers setting the variable to arch specific Makefile, so it is= not sth mandated by the top level Makefile or documentation. --- xen/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/Makefile b/xen/Makefile index fd0e63d29efb..40feefff4ab5 100644 --- a/xen/Makefile +++ b/xen/Makefile @@ -256,7 +256,8 @@ export YACC =3D $(if $(BISON),$(BISON),bison) export LEX =3D $(if $(FLEX),$(FLEX),flex) =20 # Default file for 'make defconfig'. -export KBUILD_DEFCONFIG :=3D $(ARCH)_defconfig +# May be overruled on the command line or set in the environment. +export KBUILD_DEFCONFIG ?=3D $(ARCH)_defconfig =20 # Copy CFLAGS generated by "Config.mk" so they can be reused later without # reparsing Config.mk by e.g. arch/x86/boot/. --=20 2.25.1