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charset="us-ascii" Content-ID: <449DD9B882D6674BA7E5B8F7661ACF47@namprd11.prod.outlook.com> Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: cisco.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ0PR11MB5790.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f0e41889-a261-474d-7538-08dc486af024 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2024 23:18:51.2129 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: O7EgIv+zWAXujRNVyPrNoWTl67sDFulYDay3jvwPTvJFiJDZqUDk9yyHnIMpyNlZ3JsMSdEtd4B+e1LpKpuLaw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR11MB4847 X-Outbound-SMTP-Client: 72.163.7.165, rcdn-opgw-4.cisco.com X-Outbound-Node: rcdn-core-11.cisco.com Masahiro, I found this commit, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?= id=3D23a0cb8e3225122496bfa79172005c587c2d64bf It had this note, [masahiro: I do not think "M=3D$(OUT_DIR) src=3D$(PWD)" is the official way= , but this patch is a nice clean up anyway.] Is there an official way or recommended way to build objects in a directory outside the external modules source directory and outside the original kern= el source directory ? Daniel