{"id":2222224,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222224/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/patch/20260410224221.1185631-3-nicolas.serafini@flyability.com/","project":{"id":27,"url":"http://patchwork.ozlabs.org/api/1.1/projects/27/?format=json","name":"Buildroot development","link_name":"buildroot","list_id":"buildroot.buildroot.org","list_email":"buildroot@buildroot.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260410224221.1185631-3-nicolas.serafini@flyability.com>","date":"2026-04-10T22:42:19","name":"[2/4] package/rust{, -bin}: fix bootstrap build for Rust >= 1.89.0","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"98ef615e86d777cd2a9b9114c25f4935080fea12","submitter":{"id":93117,"url":"http://patchwork.ozlabs.org/api/1.1/people/93117/?format=json","name":"Nicolas Serafini","email":"nicolas.serafini@flyability.com"},"delegate":{"id":89618,"url":"http://patchwork.ozlabs.org/api/1.1/users/89618/?format=json","username":"juju","first_name":"Julien","last_name":"Olivain","email":"juju@cotds.org"},"mbox":"http://patchwork.ozlabs.org/project/buildroot/patch/20260410224221.1185631-3-nicolas.serafini@flyability.com/mbox/","series":[{"id":499513,"url":"http://patchwork.ozlabs.org/api/1.1/series/499513/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/list/?series=499513","date":"2026-04-10T22:42:17","name":"package/rust: bump to 1.94.1 and fix bootstrap","version":1,"mbox":"http://patchwork.ozlabs.org/series/499513/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222224/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222224/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming-buildroot@patchwork.ozlabs.org","buildroot@buildroot.org"],"Delivered-To":["patchwork-incoming-buildroot@legolas.ozlabs.org","buildroot@buildroot.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=Xj32o16L;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=2605:bc80:3010::137; helo=smtp4.osuosl.org;\n envelope-from=buildroot-bounces@buildroot.org; receiver=patchwork.ozlabs.org)"],"Received":["from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137])\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 4fssJJ5yHYz1yCv\n\tfor ;\n Sat, 11 Apr 2026 08:42:40 +1000 (AEST)","from localhost (localhost [127.0.0.1])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id EF4184125F;\n\tFri, 10 Apr 2026 22:42:35 +0000 (UTC)","from smtp4.osuosl.org ([127.0.0.1])\n by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id C0qdFAxJH1C1; Fri, 10 Apr 2026 22:42:34 +0000 (UTC)","from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142])\n\tby smtp4.osuosl.org (Postfix) with ESMTP id 2EA7840B9E;\n\tFri, 10 Apr 2026 22:42:34 +0000 (UTC)","from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138])\n by lists1.osuosl.org (Postfix) with ESMTP id 52D5524D\n for ; Fri, 10 Apr 2026 22:42:31 +0000 (UTC)","from localhost (localhost [127.0.0.1])\n by smtp1.osuosl.org (Postfix) with ESMTP id E878083CE9\n for ; Fri, 10 Apr 2026 22:42:30 +0000 (UTC)","from smtp1.osuosl.org ([127.0.0.1])\n by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id PgAbXMcZ0Ay3 for ;\n Fri, 10 Apr 2026 22:42:30 +0000 (UTC)","from mail-wm1-x332.google.com (mail-wm1-x332.google.com\n [IPv6:2a00:1450:4864:20::332])\n by smtp1.osuosl.org (Postfix) with ESMTPS id DCD7A83CE8\n for ; Fri, 10 Apr 2026 22:42:29 +0000 (UTC)","by mail-wm1-x332.google.com with SMTP id\n 5b1f17b1804b1-4852a9c6309so24249975e9.0\n for ; Fri, 10 Apr 2026 15:42:29 -0700 (PDT)","from nse-t16 (adsl-84-227-54-58.adslplus.ch. 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"buildroot-bounces@buildroot.org","Sender":"\"buildroot\" "},"content":"Since Rust 1.89.0, the bootstrap was redesigned (upstream PR #119899):\nthe stage 0 standard library is no longer built from source but copied\nfrom the stage 0 compiler's sysroot. This breaks host-rust in two\nways.\nhttps://github.com/rust-lang/rust/pull/119899\n\nFirst, building std from source for a cross target at stage 0 now\nrequires build.local-rebuild to be set in config.toml. Without it,\nthe bootstrap refuses to proceed. Set local-rebuild = true since the\nstage 0 compiler (host-rust-bin) is the same version as the compiler\nbeing built from source.\nhttps://github.com/rust-lang/rust/pull/145876\n\nSecond, host-rust-bin creates relative symlinks to expose the host\nstd libraries under its rustc component directory. The bootstrap's\ncopy_link_internal() copies these symlinks verbatim into the\nstage0-sysroot, where the relative paths no longer resolve. Replace\nthem with hardlink copies (cp -al) in HOST_RUST_BIN_LIBSTD_EXTRACT.\n\nSigned-off-by: Nicolas Serafini \n---\n package/rust-bin/rust-bin.mk | 4 ++--\n package/rust/rust.mk | 1 +\n 2 files changed, 3 insertions(+), 2 deletions(-)","diff":"diff --git a/package/rust-bin/rust-bin.mk b/package/rust-bin/rust-bin.mk\nindex aef132562c..0a1f3e5c56 100644\n--- a/package/rust-bin/rust-bin.mk\n+++ b/package/rust-bin/rust-bin.mk\n@@ -28,8 +28,8 @@ define HOST_RUST_BIN_LIBSTD_EXTRACT\n \t\t\t$(TAR) -C $(@D)/std $(TAR_OPTIONS) -\n \t)\n \tmkdir -p $(@D)/rustc/lib/rustlib/$(RUSTC_HOST_NAME)/lib\n-\tcd $(@D)/rustc/lib/rustlib/$(RUSTC_HOST_NAME)/lib; \\\n-\t\tln -sf ../../../../../$(HOST_RUST_BIN_LIBSTD_HOST_PREFIX)/lib/rustlib/$(RUSTC_HOST_NAME)/lib/* .\n+\tcp -al $(@D)/$(HOST_RUST_BIN_LIBSTD_HOST_PREFIX)/lib/rustlib/$(RUSTC_HOST_NAME)/lib/* \\\n+\t\t$(@D)/rustc/lib/rustlib/$(RUSTC_HOST_NAME)/lib/\n endef\n \n HOST_RUST_BIN_POST_EXTRACT_HOOKS += HOST_RUST_BIN_LIBSTD_EXTRACT\ndiff --git a/package/rust/rust.mk b/package/rust/rust.mk\nindex 27b3c49db3..8a643c4a58 100644\n--- a/package/rust/rust.mk\n+++ b/package/rust/rust.mk\n@@ -40,6 +40,7 @@ define HOST_RUST_CONFIGURE_CMDS\n \t\techo 'compiler-docs = false'; \\\n \t\techo 'docs = false'; \\\n \t\techo 'verbose = $(HOST_RUST_VERBOSITY)'; \\\n+\t\techo 'local-rebuild = true'; \\\n \t\techo '[install]'; \\\n \t\techo 'prefix = \"$(HOST_DIR)\"'; \\\n \t\techo 'sysconfdir = \"$(HOST_DIR)/etc\"'; \\\n","prefixes":["2/4"]}