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Thu, 17 Jul 2025 21:09:09 -0700 (PDT) Received: from apollo.localdomain ([2601:646:8201:fd20::519c]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3f2fe8d14fsm417157a12.26.2025.07.17.21.09.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jul 2025 21:09:08 -0700 (PDT) From: Khem Raj To: openembedded-core@lists.openembedded.org Cc: Khem Raj Subject: [PATCH 1/4] toolchain-scripts.bbclass: Make -mmusl apply only for gcc toolchains Date: Thu, 17 Jul 2025 21:09:03 -0700 Message-ID: <20250718040906.3591603-1-raj.khem@gmail.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 18 Jul 2025 04:09:19 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/220566 This option is not respected by clang Signed-off-by: Khem Raj --- meta/classes-recipe/toolchain-scripts.bbclass | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meta/classes-recipe/toolchain-scripts.bbclass b/meta/classes-recipe/toolchain-scripts.bbclass index 3053cd0f1fa..5874a48af84 100644 --- a/meta/classes-recipe/toolchain-scripts.bbclass +++ b/meta/classes-recipe/toolchain-scripts.bbclass @@ -9,7 +9,7 @@ inherit toolchain-scripts-base siteinfo kernel-arch meson-routines # We want to be able to change the value of MULTIMACH_TARGET_SYS, because it # doesn't always match our expectations... but we default to the stock value REAL_MULTIMACH_TARGET_SYS ?= "${MULTIMACH_TARGET_SYS}" -TARGET_CC_ARCH:append:libc-musl = " -mmusl" +TARGET_CC_ARCH:append:toolchain-gcc:libc-musl = " -mmusl" # default debug prefix map isn't valid in the SDK DEBUG_PREFIX_MAP = "" From patchwork Fri Jul 18 04:09:04 2025 Content-Type: text/plain; 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Signed-off-by: Khem Raj --- meta/classes-recipe/cmake.bbclass | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/meta/classes-recipe/cmake.bbclass b/meta/classes-recipe/cmake.bbclass index 449fe2bb443..2c6d28b7a95 100644 --- a/meta/classes-recipe/cmake.bbclass +++ b/meta/classes-recipe/cmake.bbclass @@ -216,6 +216,12 @@ list(APPEND CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES ${STAGING_INCDIR_NATIVE}) EOF } +cmake_do_generate_toolchain_file:append:toolchain-clang() { + cat >> ${WORKDIR}/toolchain.cmake < X-Patchwork-Id: 67073 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F8F0C83F1A for ; Fri, 18 Jul 2025 04:09:19 +0000 (UTC) Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) by mx.groups.io with SMTP id smtpd.web10.13146.1752811752278699527 for ; 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Thu, 17 Jul 2025 21:09:11 -0700 (PDT) Received: from apollo.localdomain ([2601:646:8201:fd20::519c]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3f2fe8d14fsm417157a12.26.2025.07.17.21.09.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jul 2025 21:09:10 -0700 (PDT) From: Khem Raj To: openembedded-core@lists.openembedded.org Cc: Khem Raj Subject: [PATCH 3/4] clang: Default to use lld if ld-is-lld is in DISTRO_FEATURES Date: Thu, 17 Jul 2025 21:09:05 -0700 Message-ID: <20250718040906.3591603-3-raj.khem@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250718040906.3591603-1-raj.khem@gmail.com> References: <20250718040906.3591603-1-raj.khem@gmail.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 18 Jul 2025 04:09:19 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/220568 This ensures that default system linker is used correctly based upon distro features, current default remain same i.e. uses BFD linker Signed-off-by: Khem Raj --- meta/recipes-devtools/clang/clang_git.bb | 1 + 1 file changed, 1 insertion(+) diff --git a/meta/recipes-devtools/clang/clang_git.bb b/meta/recipes-devtools/clang/clang_git.bb index ed6e2d7da7f..1210ca92de1 100644 --- a/meta/recipes-devtools/clang/clang_git.bb +++ b/meta/recipes-devtools/clang/clang_git.bb @@ -54,6 +54,7 @@ def get_clang_target_arch(bb, d): return get_clang_arch(bb, d, 'TARGET_ARCH') PACKAGECONFIG_CLANG_COMMON = "build-id eh libedit rtti shared-libs libclang-python \ + ${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', 'lld', '', d)} \ ${@bb.utils.contains('TC_CXX_RUNTIME', 'llvm', 'compiler-rt libcplusplus libomp unwindlib', '', d)} \ " From patchwork Fri Jul 18 04:09:06 2025 Content-Type: text/plain; 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Thu, 17 Jul 2025 21:09:12 -0700 (PDT) Received: from apollo.localdomain ([2601:646:8201:fd20::519c]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3f2fe8d14fsm417157a12.26.2025.07.17.21.09.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jul 2025 21:09:11 -0700 (PDT) From: Khem Raj To: openembedded-core@lists.openembedded.org Cc: Khem Raj Subject: [PATCH 4/4] clang.bbclass: Add clang specific ldflags and dependencies Date: Thu, 17 Jul 2025 21:09:06 -0700 Message-ID: <20250718040906.3591603-4-raj.khem@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250718040906.3591603-1-raj.khem@gmail.com> References: <20250718040906.3591603-1-raj.khem@gmail.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 18 Jul 2025 04:09:19 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/220569 * Qunused-arguments option is needed for making clang not error out on options it does not understand. This is required for some packages which might be using the gcc-only flags. We still want to know the problem but let clang ignore it and move on instead of dropping out * Add rpath defaults for nativesdk recipes to let nativesdk packages use SDK sysroot correctly * Add clang-cross to sysroot via POPULATESYSROOTDEPS to get llvm tools e.g. llvm-strip, llvm-nm etc when they are used at default STRIP/NM etc. Signed-off-by: Khem Raj --- meta/classes/toolchain/clang.bbclass | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/meta/classes/toolchain/clang.bbclass b/meta/classes/toolchain/clang.bbclass index d7b8a3657c6..f7e3e7435f4 100644 --- a/meta/classes/toolchain/clang.bbclass +++ b/meta/classes/toolchain/clang.bbclass @@ -29,9 +29,13 @@ PREFERRED_PROVIDER_virtual/nativesdk-cross-c++:class-cross-canadian = "clang-cro BASE_DEFAULT_DEPS:append:class-target = " compiler-rt" -TUNE_CCARGS += "${@bb.utils.contains("DISTRO_FEATURES", "usrmerge", " --dyld-prefix=/usr", "", d)}" +TUNE_CCARGS += "${@bb.utils.contains("DISTRO_FEATURES", "usrmerge", " --dyld-prefix=/usr", "", d)} -Qunused-arguments" LDFLAGS:append:class-nativesdk:x86-64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-x86-64.so.2" LDFLAGS:append:class-nativesdk:aarch64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-aarch64.so.1" +LDFLAGS:append:class-nativesdk = " -Wl,-rpath-link,${STAGING_LIBDIR}/.. -Wl,-rpath,${libdir}/.." + +# do_populate_sysroot needs STRIP +POPULATESYSROOTDEPS:append:class-target = " ${MLPREFIX}clang-cross-${TARGET_ARCH}:do_populate_sysroot" TCOVERRIDE = "toolchain-clang"