From 777bcd1a080cc6cc4e9ea7f03020173d3049e446 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Wed, 7 May 2025 11:58:27 -0700 Subject: clang: Build limited targets for target clang recipe On target its sufficient to build what mesa needs + one host target It should speed up the build. Fix bug in function mapping target architecture to LLVM backend 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 (From OE-Core rev: 0e1c55d2631200f8c9890eac8d26c404f28862d3) Signed-off-by: Khem Raj Signed-off-by: Richard Purdie --- meta/recipes-devtools/clang/clang_git.bb | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'meta/recipes-devtools/clang/clang_git.bb') diff --git a/meta/recipes-devtools/clang/clang_git.bb b/meta/recipes-devtools/clang/clang_git.bb index c93554622f..b41b700292 100644 --- a/meta/recipes-devtools/clang/clang_git.bb +++ b/meta/recipes-devtools/clang/clang_git.bb @@ -35,10 +35,10 @@ def get_clang_arch(bb, d, arch_var): elif re.match('aarch64$', a): return 'AArch64' elif re.match('aarch64_be$', a): return 'AArch64' elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a): return 'Mips' - elif re.match('riscv32$', a): return 'riscv32' - elif re.match('riscv64$', a): return 'riscv64' + elif re.match('riscv32$', a): return 'RISCV' + elif re.match('riscv64$', a): return 'RISCV' elif re.match('p(pc|owerpc)(|64)', a): return 'PowerPC' - elif re.match('loongarch64$', a): return 'loongarch64' + elif re.match('loongarch64$', a): return 'LoongArch' else: bb.note("'%s' is not a primary llvm architecture" % a) return "" @@ -115,8 +115,12 @@ LLVM_BUILD_TOOLS;LLVM_USE_HOST_TOOLS;LLVM_CONFIG_PATH;LLVM_EXTERNAL_SPIRV_HEADER # Default to build all OE-Core supported target arches (user overridable). # Gennerally setting LLVM_TARGETS_TO_BUILD = "" in local.conf is ok in most simple situations # where only one target architecture is needed along with just one build arch (usually X86) -# +# Core tier targets: +# AArch64;AMDGPU;ARM;AVR;BPF;Hexagon;Lanai;LoongArch;Mips;MSP430;NVPTX;PowerPC;RISCV;Sparc;SPIRV;SystemZ;VE;WebAssembly;X86;XCore +# Known experimental targets: ARC;CSKY;DirectX;M68k;Xtensa + LLVM_TARGETS_TO_BUILD ?= "AMDGPU;AArch64;ARM;BPF;Mips;PowerPC;RISCV;X86;LoongArch;NVPTX;SPIRV" +LLVM_TARGETS_TO_BUILD:class-target ?= "${@get_clang_host_arch(bb, d)};AMDGPU;BPF;NVPTX;SPIRV" LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ?= "" @@ -189,7 +193,7 @@ EXTRA_OECMAKE:append:class-target = "\ -DCMAKE_AR=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ar \ -DCMAKE_NM=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-nm \ -DCMAKE_STRIP=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-strip \ - -DLLVM_TARGET_ARCH=${@get_clang_target_arch(bb, d)} \ + -DLLVM_TARGET_ARCH=${HOST_ARCH} \ -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_SYS}${HF} \ -DLLVM_HOST_TRIPLE=${TARGET_SYS}${HF} \ -DPYTHON_LIBRARY=${STAGING_LIBDIR}/lib${PYTHON_DIR}${PYTHON_ABI}.so \ -- cgit v1.2.3-54-g00ecf