[{"id":3676928,"web_url":"http://patchwork.ozlabs.org/comment/3676928/","msgid":"<87ik9umuhd.fsf@prevas.dk>","list_archive_url":null,"date":"2026-04-13T21:16:30","subject":"Re: [PATCH v4 2/2] kbuild: Use if_changed for font and splash\n .incbin rules","submitter":{"id":89443,"url":"http://patchwork.ozlabs.org/api/people/89443/","name":"Rasmus Villemoes","email":"ravi@prevas.dk"},"content":"On Mon, Apr 13 2026, Simon Glass wrote:\n\n> The generated .S files for fonts and splash screens use .incbin with the\n> full prerequisite path. When building with O= this bakes an absolute\n> path into the .S file. If the build directory is later used on a\n> different machine (e.g. in a container), the assembler cannot find the\n> source file.\n>\n> Follow the existing DTB convention: rename the object targets to use\n> compound suffixes (.ttf.o, .bmp.o), switch the pattern rules from\n> direct $(call cmd,...) to FORCE + $(call if_changed,...), and register\n> the new suffixes with intermediate_targets so that kbuild loads their\n> .cmd files. This lets if_changed detect when the recorded command\n> (including source paths) has changed and regenerate the .S file\n> automatically.\n>\n> The EFI rule is left unchanged since its prerequisite is a generated\n> file in the build directory, like the DTB and DTBO rules.\n>\n> The intermediate_targets entries stay in scripts/Makefile.build rather\n> than moving to scripts/Makefile.lib-u-boot, because that file is\n> included before intermediate_targets is defined and 'targets' is ':=',\n> so a '$(call intermediate_targets, ...)' inside it would expand to\n> empty and silently drop the entries. To keep the upstream block\n> untouched, the U-Boot additions go in a separate 'targets +=' block\n> immediately below.\n>\n> Suggested-by: Rasmus Villemoes \n> Signed-off-by: Simon Glass \n\nReviewed-by: Rasmus Villemoes ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=prevas.dk header.i=@prevas.dk header.a=rsa-sha256\n header.s=selector1 header.b=UhKsC4wE;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)","phobos.denx.de;\n dmarc=pass (p=reject dis=none) header.from=prevas.dk","phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de","phobos.denx.de;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=prevas.dk header.i=@prevas.dk header.b=\"UhKsC4wE\";\n\tdkim-atps=neutral","phobos.denx.de;\n dmarc=pass (p=reject dis=none) header.from=prevas.dk","phobos.denx.de;\n spf=pass smtp.mailfrom=rasmus.villemoes@prevas.dk","dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=prevas.dk;"],"Received":["from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvgFf1MlYz1yD4\n\tfor ; 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