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Content-Language: en-US To: Tom Rini , Vagrant Cascadian Cc: u-boot@lists.denx.de, Vagrant Cascadian , Heinrich Schuchardt , Simon Glass References: <20220818173133.12552-1-vagrant@debian.org> <20220826205900.GA3931749@bill-the-cat> From: Rasmus Villemoes In-Reply-To: <20220826205900.GA3931749@bill-the-cat> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BEXP281CA0017.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10::27) To DU0PR10MB5266.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:34a::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6443c495-0c81-43f7-169e-08da88f041ce X-MS-TrafficTypeDiagnostic: AM6PR10MB2197:EE_ 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:255.255.255.255; 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How does the linux kernel handle this? Well, interestingly it seems that the kernel doesn't do anything like this for debug info, they only apply the -fmacro-prefix-map. Which one should probably raise with them at some point. It seems we're not actually calling gas directly, but always invokes $(CC) whatever that may be to compile assembler files. So I think the right fix is to simply pass the same -ffile-prefix-map in both KBUILD_CFLAGS as in KBUILD_AFLAGS - and if there's some variable that ends up being included in both automatically, then just adding it there should do the trick. Rasmus