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15.20.9320.013; Fri, 14 Nov 2025 07:12:22 +0000 Message-ID: <451e3958-7661-4070-bff9-b3bce661c21d@windriver.com> Date: Fri, 14 Nov 2025 15:12:17 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [bitbake-devel][PATCH V2] lib/bb/parse/ast.py: error out for internal fragment in case of a previous value To: Alexander Kanavin Cc: bitbake-devel@lists.openembedded.org, richard.purdie@linuxfoundation.org References: <20251114060211.1742728-1-Qi.Chen@windriver.com> <5fffd119-5b6c-462d-9f1e-5b2b30f81715@windriver.com> Content-Language: en-US From: ChenQi In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SI1PR02CA0041.apcprd02.prod.outlook.com (2603:1096:4:1f6::18) To CO6PR11MB5602.namprd11.prod.outlook.com (2603:10b6:303:13a::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO6PR11MB5602:EE_|CY5PR11MB6188:EE_ X-MS-Office365-Filtering-Correlation-Id: a6257f19-08af-45f7-7a51-08de234d27ba 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aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 14 Nov 2025 07:12:37 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/bitbake-devel/message/18387 On 11/14/25 14:49, Alexander Kanavin wrote: > On Fri, 14 Nov 2025 at 07:37, ChenQi wrote: >> When machine/qemux86-64 fragment is enabled and users use 'MACHINE=xxx >> bitbake ', the expected behavior is to error out and recommend user >> to use 'bitbake-config-build disable-fragment'. >> >> Here comes the problem. bitbake-config-build makes use of tinfoil and >> when setting up tinfoil, the above error will appear again. We can't >> recommend users to use 'bitbake-config-build disable-fragment' while the >> recommended method still errors out. This is the reason for the special >> exception. > But why would users be running 'MACHINE=xxx bitbake-config-build > disable-fragment ...' ? That prefix is intended only for bitbake > invocations. > > Alex I mean that users run something like 'MACHINE=qemuarm64 bitbake base-files', and they get error like below: ERROR: A builtin fragment 'machine/qemux86-64' is used while MACHINE has already got an assignment. Please either disable the fragment or remove the value assignment. To disable the fragment, use 'bitbake-config-build disable-fragment machine/qemux86-64'. Now they run 'bitbake-config-build disable-fragment machine/qemux86-64' as recommended. If there's no such special exception, they will get the same error again. Even if they run a simple 'bitbake-config-build --help', they'll get the same error again. That's the reason for this special exception. Regards, Qi