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Wed, 07 May 2025 08:03:58 -0700 (PDT) Received: from apollo.localdomain ([2601:646:8201:fd20::5209]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b1fb3c3f297sm9643417a12.58.2025.05.07.08.03.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 May 2025 08:03:57 -0700 (PDT) From: Khem Raj To: openembedded-core@lists.openembedded.org Cc: Khem Raj Subject: [PATCH 1/2] clang: Space optimize clang recipes Date: Wed, 7 May 2025 08:03:54 -0700 Message-ID: <20250507150355.1131830-1-raj.khem@gmail.com> X-Mailer: git-send-email 2.49.0 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 ; Wed, 07 May 2025 15:04:01 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/216116 They can consume quite a bit of build space, we don't debug them as often Signed-off-by: Khem Raj --- meta/conf/distro/include/yocto-space-optimize.inc | 4 +++- meta/recipes-devtools/clang/clang_git.bb | 2 -- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/meta/conf/distro/include/yocto-space-optimize.inc b/meta/conf/distro/include/yocto-space-optimize.inc index 407e8937f08..b83ba426e78 100644 --- a/meta/conf/distro/include/yocto-space-optimize.inc +++ b/meta/conf/distro/include/yocto-space-optimize.inc @@ -3,6 +3,8 @@ # and build speed. # With -g, llvm workdir is 40GB, llvm-staticdev is 1.3GB, llvm-dbg is 1GB -DEBUG_LEVELFLAG:pn-llvm = "" +DEBUG_LEVELFLAG:pn-clang = "" +DEBUG_LEVELFLAG:pn-clang-native = "" +DEBUG_LEVELFLAG:pn-nativesdk-clang = "" # With -g, qemu workdir is 10GB, qemu-dbg is 363MB DEBUG_LEVELFLAG:pn-qemu = "" diff --git a/meta/recipes-devtools/clang/clang_git.bb b/meta/recipes-devtools/clang/clang_git.bb index ba037e59785..c93554622f1 100644 --- a/meta/recipes-devtools/clang/clang_git.bb +++ b/meta/recipes-devtools/clang/clang_git.bb @@ -153,8 +153,6 @@ EXTRA_OECMAKE += "-DLLVM_ENABLE_ASSERTIONS=OFF \ -DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON \ -DCMAKE_SYSTEM_NAME=Linux \ -DCMAKE_BUILD_TYPE=Release \ - -DCMAKE_CXX_FLAGS_RELEASE='${CXXFLAGS} -DNDEBUG -g0' \ - -DCMAKE_C_FLAGS_RELEASE='${CFLAGS} -DNDEBUG -g0' \ -DLLVM_ENABLE_PROJECTS='${LLVM_PROJECTS}' \ -DLLVM_BINUTILS_INCDIR=${STAGING_INCDIR} \ -DLLVM_VERSION_SUFFIX='${VER_SUFFIX}' \ From patchwork Wed May 7 15:03:55 2025 Content-Type: text/plain; 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Wed, 07 May 2025 08:03:59 -0700 (PDT) Received: from apollo.localdomain ([2601:646:8201:fd20::5209]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b1fb3c3f297sm9643417a12.58.2025.05.07.08.03.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 May 2025 08:03:59 -0700 (PDT) From: Khem Raj To: openembedded-core@lists.openembedded.org Cc: Khem Raj Subject: [PATCH 2/2] clang: Build limited targets for target clang recipe Date: Wed, 7 May 2025 08:03:55 -0700 Message-ID: <20250507150355.1131830-2-raj.khem@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250507150355.1131830-1-raj.khem@gmail.com> References: <20250507150355.1131830-1-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 ; Wed, 07 May 2025 15:04:01 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/216117 On target its sufficient to build what mesa needs + one host target It should speed up the build. Reduces size of libLLVM Before - 131M May 6 20:42 ./clang-libllvm/usr/lib/libLLVM.so.20.1 After - 93M May 6 18:47 ./clang-libllvm/usr/lib/libLLVM.so.20.1 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 c93554622f1..21d2c41c67f 100644 --- a/meta/recipes-devtools/clang/clang_git.bb +++ b/meta/recipes-devtools/clang/clang_git.bb @@ -117,6 +117,7 @@ LLVM_BUILD_TOOLS;LLVM_USE_HOST_TOOLS;LLVM_CONFIG_PATH;LLVM_EXTERNAL_SPIRV_HEADER # where only one target architecture is needed along with just one build arch (usually X86) # LLVM_TARGETS_TO_BUILD ?= "AMDGPU;AArch64;ARM;BPF;Mips;PowerPC;RISCV;X86;LoongArch;NVPTX;SPIRV" +LLVM_TARGETS_TO_BUILD:class-target ?= "${@get_clang_host_arch(bb, d)};AMDGPU;BPF;NVPTX;SPIRV" LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ?= ""