# Copyright (C) 2014 Khem Raj <raj.khem@gmail.com>
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# Released under the MIT license (see COPYING.MIT for the terms)
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DESCRIPTION = "LLVM based C/C++ compiler"
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HOMEPAGE = "http://clang.llvm.org/"
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SECTION = "devel"
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require clang.inc
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require common-source.inc
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INHIBIT_DEFAULT_DEPS = "1"
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BUILD_CC:class-nativesdk = "clang"
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BUILD_CXX:class-nativesdk = "clang++"
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BUILD_AR:class-nativesdk = "llvm-ar"
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BUILD_RANLIB:class-nativesdk = "llvm-ranlib"
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BUILD_NM:class-nativesdk = "llvm-nm"
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inherit cmake cmake-native pkgconfig python3native
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OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM = "BOTH"
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def get_clang_experimental_arch(bb, d, arch_var):
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import re
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a = d.getVar(arch_var, True)
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return ""
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def get_clang_arch(bb, d, arch_var):
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import re
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a = d.getVar(arch_var, True)
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if re.match('(i.86|athlon|x86.64)$', a): return 'X86'
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elif re.match('arm$', a): return 'ARM'
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elif re.match('armeb$', a): return 'ARM'
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elif re.match('aarch64$', a): return 'AArch64'
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elif re.match('aarch64_be$', a): return 'AArch64'
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elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a): return 'Mips'
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elif re.match('riscv32$', a): return 'riscv32'
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elif re.match('riscv64$', a): return 'riscv64'
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elif re.match('p(pc|owerpc)(|64)', a): return 'PowerPC'
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else:
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bb.note("'%s' is not a primary llvm architecture" % a)
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return ""
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def get_clang_host_arch(bb, d):
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return get_clang_arch(bb, d, 'HOST_ARCH')
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def get_clang_target_arch(bb, d):
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return get_clang_arch(bb, d, 'TARGET_ARCH')
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def get_clang_experimental_target_arch(bb, d):
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return get_clang_experimental_arch(bb, d, 'TARGET_ARCH')
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PACKAGECONFIG ??= "compiler-rt libcplusplus shared-libs lldb-wchar \
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${@bb.utils.filter('DISTRO_FEATURES', 'thin-lto lto', d)} \
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${@bb.utils.contains('RUNTIME', 'llvm', 'compiler-rt libcplusplus unwindlib libomp', '', d)} \
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rtti eh libedit terminfo \
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"
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PACKAGECONFIG:class-native = "rtti eh libedit shared-libs ${@bb.utils.contains('RUNTIME', 'llvm', 'compiler-rt libcplusplus unwindlib libomp', '', d)}"
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PACKAGECONFIG:class-nativesdk = "rtti eh libedit shared-libs ${@bb.utils.filter('DISTRO_FEATURES', 'thin-lto lto', d)} ${@bb.utils.contains('RUNTIME', 'llvm', 'compiler-rt libcplusplus unwindlib libomp', '', d)}"
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PACKAGECONFIG[compiler-rt] = "-DCLANG_DEFAULT_RTLIB=compiler-rt,,"
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PACKAGECONFIG[libcplusplus] = "-DCLANG_DEFAULT_CXX_STDLIB=libc++,,"
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PACKAGECONFIG[unwindlib] = "-DCLANG_DEFAULT_UNWINDLIB=libunwind,-DCLANG_DEFAULT_UNWINDLIB=libgcc,,"
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PACKAGECONFIG[libomp] = "-DCLANG_DEFAULT_OPENMP_RUNTIME=libomp,,"
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PACKAGECONFIG[thin-lto] = "-DLLVM_ENABLE_LTO=Thin -DLLVM_BINUTILS_INCDIR=${STAGING_INCDIR},,binutils,"
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PACKAGECONFIG[lto] = "-DLLVM_ENABLE_LTO=Full -DLLVM_BINUTILS_INCDIR=${STAGING_INCDIR},,binutils,"
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PACKAGECONFIG[shared-libs] = "-DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON,,,"
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PACKAGECONFIG[terminfo] = "-DLLVM_ENABLE_TERMINFO=ON -DCOMPILER_RT_TERMINFO_LIB=ON,-DLLVM_ENABLE_TERMINFO=OFF -DCOMPILER_RT_TERMINFO_LIB=OFF,ncurses,"
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PACKAGECONFIG[pfm] = "-DLLVM_ENABLE_LIBPFM=ON,-DLLVM_ENABLE_LIBPFM=OFF,libpfm,"
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PACKAGECONFIG[lldb-wchar] = "-DLLDB_EDITLINE_USE_WCHAR=1,-DLLDB_EDITLINE_USE_WCHAR=0,"
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PACKAGECONFIG[bootstrap] = "-DCLANG_ENABLE_BOOTSTRAP=On -DCLANG_BOOTSTRAP_PASSTHROUGH='${PASSTHROUGH}' -DBOOTSTRAP_LLVM_ENABLE_LTO=Thin -DBOOTSTRAP_LLVM_ENABLE_LLD=ON,,,"
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PACKAGECONFIG[eh] = "-DLLVM_ENABLE_EH=ON,-DLLVM_ENABLE_EH=OFF,,"
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PACKAGECONFIG[rtti] = "-DLLVM_ENABLE_RTTI=ON,-DLLVM_ENABLE_RTTI=OFF,,"
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PACKAGECONFIG[split-dwarf] = "-DLLVM_USE_SPLIT_DWARF=ON,-DLLVM_USE_SPLIT_DWARF=OFF,,"
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PACKAGECONFIG[libedit] = "-DLLVM_ENABLE_LIBEDIT=ON -DLLDB_ENABLE_LIBEDIT=ON,-DLLVM_ENABLE_LIBEDIT=OFF -DLLDB_ENABLE_LIBEDIT=OFF,libedit libedit-native"
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OECMAKE_SOURCEPATH = "${S}/llvm"
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OECMAKE_TARGET_COMPILE = "${@bb.utils.contains('PACKAGECONFIG', 'bootstrap', 'stage2', 'all', d)}"
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OECMAKE_TARGET_INSTALL = "${@bb.utils.contains('PACKAGECONFIG', 'bootstrap', 'stage2-install', 'install', d)}"
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BINPATHPREFIX = "${@bb.utils.contains('PACKAGECONFIG', 'bootstrap', '/tools/clang/stage2-bins/NATIVE', '', d)}"
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PASSTHROUGH = "\
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CLANG_DEFAULT_RTLIB;CLANG_DEFAULT_CXX_STDLIB;LLVM_BUILD_LLVM_DYLIB;LLVM_LINK_LLVM_DYLIB;\
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LLVM_ENABLE_ASSERTIONS;LLVM_ENABLE_EXPENSIVE_CHECKS;LLVM_ENABLE_PIC;\
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LLVM_BINDINGS_LIST;LLVM_ENABLE_FFI;FFI_INCLUDE_DIR;LLVM_OPTIMIZED_TABLEGEN;\
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LLVM_ENABLE_RTTI;LLVM_ENABLE_EH;LLVM_BUILD_EXTERNAL_COMPILER_RT;CMAKE_SYSTEM_NAME;\
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CMAKE_BUILD_TYPE;BUILD_SHARED_LIBS;LLVM_ENABLE_PROJECTS;LLVM_BINUTILS_INCDIR;\
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LLVM_TARGETS_TO_BUILD;LLVM_EXPERIMENTAL_TARGETS_TO_BUILD;PYTHON_EXECUTABLE;\
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PYTHON_LIBRARY;PYTHON_INCLUDE_DIR;LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN;LLDB_EDITLINE_USE_WCHAR;\
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LLVM_ENABLE_LIBEDIT;LLDB_ENABLE_LIBEDIT;LLDB_PYTHON_RELATIVE_PATH;\
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CMAKE_C_FLAGS_RELEASE;CMAKE_CXX_FLAGS_RELEASE;CMAKE_ASM_FLAGS_RELEASE;\
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CLANG_DEFAULT_CXX_STDLIB;CLANG_DEFAULT_RTLIB;CLANG_DEFAULT_UNWINDLIB;\
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CLANG_DEFAULT_OPENMP_RUNTIME;\
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"
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#
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# Default to build all OE-Core supported target arches (user overridable).
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# Gennerally setting LLVM_TARGETS_TO_BUILD = "" in local.conf is ok in most simple situations
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# where only one target architecture is needed along with just one build arch (usually X86)
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#
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LLVM_TARGETS_TO_BUILD ?= "AMDGPU;AArch64;ARM;BPF;Mips;PowerPC;RISCV;X86"
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LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ?= ""
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LLVM_EXPERIMENTAL_TARGETS_TO_BUILD:append = ";${@get_clang_experimental_target_arch(bb, d)}"
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HF = "${@ bb.utils.contains('TUNE_CCARGS_MFLOAT', 'hard', 'hf', '', d)}"
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HF[vardepvalue] = "${HF}"
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LLVM_PROJECTS ?= "clang;clang-tools-extra;lld${LLDB}"
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LLDB ?= ";lldb"
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# LLDB support for RISCV/Mips32 does not work yet
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LLDB:riscv32 = ""
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LLDB:riscv64 = ""
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LLDB:mips = ""
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LLDB:mipsel = ""
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#CMAKE_VERBOSE = "VERBOSE=1"
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EXTRA_OECMAKE += "-DLLVM_ENABLE_ASSERTIONS=OFF \
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-DLLVM_ENABLE_EXPENSIVE_CHECKS=OFF \
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-DLLVM_ENABLE_PIC=ON \
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-DLLVM_BINDINGS_LIST='' \
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-DLLVM_ENABLE_FFI=ON \
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-DFFI_INCLUDE_DIR=$(pkg-config --variable=includedir libffi) \
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-DLLVM_OPTIMIZED_TABLEGEN=ON \
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-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON \
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-DCMAKE_SYSTEM_NAME=Linux \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_CXX_FLAGS_RELEASE='${CXXFLAGS} -DNDEBUG -g0' \
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-DCMAKE_C_FLAGS_RELEASE='${CFLAGS} -DNDEBUG -g0' \
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-DBUILD_SHARED_LIBS=OFF \
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-DLLVM_ENABLE_PROJECTS='${LLVM_PROJECTS}' \
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-DLLVM_BINUTILS_INCDIR=${STAGING_INCDIR} \
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-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON \
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-DLLVM_TARGETS_TO_BUILD='${LLVM_TARGETS_TO_BUILD}' \
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-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD='${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}' \
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"
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EXTRA_OECMAKE:append:class-native = "\
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-DPYTHON_EXECUTABLE='${PYTHON}' \
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"
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EXTRA_OECMAKE:append:class-nativesdk = "\
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-DCMAKE_CROSSCOMPILING:BOOL=ON \
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-DCROSS_TOOLCHAIN_FLAGS_NATIVE='-DLLDB_PYTHON_RELATIVE_PATH=${PYTHON_SITEPACKAGES_DIR} -DCMAKE_TOOLCHAIN_FILE=${WORKDIR}/toolchain-native.cmake' \
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-DCMAKE_RANLIB=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ranlib \
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-DCMAKE_AR=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ar \
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-DCMAKE_NM=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-nm \
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-DCMAKE_STRIP=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-strip \
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-DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm-tblgen \
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-DCLANG_TABLEGEN=${STAGING_BINDIR_NATIVE}/clang-tblgen \
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-DLLDB_TABLEGEN=${STAGING_BINDIR_NATIVE}/lldb-tblgen \
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-DPYTHON_LIBRARY=${STAGING_LIBDIR}/lib${PYTHON_DIR}${PYTHON_ABI}.so \
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-DLLDB_PYTHON_RELATIVE_PATH=${PYTHON_SITEPACKAGES_DIR} \
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-DPYTHON_INCLUDE_DIR=${STAGING_INCDIR}/${PYTHON_DIR}${PYTHON_ABI} \
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-DPYTHON_EXECUTABLE='${PYTHON}' \
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"
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EXTRA_OECMAKE:append:class-target = "\
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-DCMAKE_CROSSCOMPILING:BOOL=ON \
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-DCROSS_TOOLCHAIN_FLAGS_NATIVE='-DLLDB_PYTHON_RELATIVE_PATH=${PYTHON_SITEPACKAGES_DIR}' \
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-DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm-tblgen \
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-DCLANG_TABLEGEN=${STAGING_BINDIR_NATIVE}/clang-tblgen \
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-DLLDB_TABLEGEN=${STAGING_BINDIR_NATIVE}/lldb-tblgen \
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-DCMAKE_RANLIB=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ranlib \
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-DCMAKE_AR=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ar \
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-DCMAKE_NM=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-nm \
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-DCMAKE_STRIP=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-strip \
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-DLLVM_TARGET_ARCH=${@get_clang_target_arch(bb, d)} \
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-DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_SYS}${HF} \
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-DLLVM_HOST_TRIPLE=${TARGET_SYS}${HF} \
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-DLLDB_PYTHON_RELATIVE_PATH=${PYTHON_SITEPACKAGES_DIR} \
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-DPYTHON_LIBRARY=${STAGING_LIBDIR}/lib${PYTHON_DIR}${PYTHON_ABI}.so \
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-DPYTHON_INCLUDE_DIR=${STAGING_INCDIR}/${PYTHON_DIR}${PYTHON_ABI} \
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-DLLVM_LIBDIR_SUFFIX=${@d.getVar('baselib').replace('lib', '')} \
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-DPYTHON_EXECUTABLE='${PYTHON}' \
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"
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DEPENDS = "binutils zlib libffi libxml2 libxml2-native ninja-native swig-native"
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DEPENDS:append:class-nativesdk = " clang-crosssdk-${SDK_ARCH} virtual/${TARGET_PREFIX}binutils-crosssdk nativesdk-python3"
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DEPENDS:append:class-target = " clang-cross-${TARGET_ARCH} python3"
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RRECOMMENDS:${PN} = "binutils"
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RRECOMMENDS:${PN}:append:class-target = " libcxx-dev"
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do_install:append() {
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rm -rf ${D}${libdir}/python*/site-packages/six.py
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}
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do_install:append:class-target () {
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# Allow bin path to change based on YOCTO_ALTERNATE_EXE_PATH
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sed -i 's;${_IMPORT_PREFIX}/bin;${_IMPORT_PREFIX_BIN};g' ${D}${libdir}/cmake/llvm/LLVMExports-release.cmake
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# Insert function to populate Import Variables
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sed -i "4i\
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if(DEFINED ENV{YOCTO_ALTERNATE_EXE_PATH})\n\
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execute_process(COMMAND \"llvm-config\" \"--bindir\" OUTPUT_VARIABLE _IMPORT_PREFIX_BIN OUTPUT_STRIP_TRAILING_WHITESPACE)\n\
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else()\n\
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set(_IMPORT_PREFIX_BIN \"\${_IMPORT_PREFIX}/bin\")\n\
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endif()\n" ${D}${libdir}/cmake/llvm/LLVMExports-release.cmake
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if [ -n "${LLVM_LIBDIR_SUFFIX}" ]; then
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mkdir -p ${D}${nonarch_libdir}
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mv ${D}${libdir}/clang ${D}${nonarch_libdir}/clang
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lnr ${D}${nonarch_libdir}/clang ${D}${libdir}/clang
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rmdir --ignore-fail-on-non-empty ${D}${libdir}
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fi
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for t in clang clang++ llvm-nm llvm-ar llvm-as llvm-ranlib llvm-strip; do
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ln -sf $t ${D}${bindir}/${TARGET_PREFIX}$t
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done
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}
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do_install:append:class-native () {
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install -Dm 0755 ${B}${BINPATHPREFIX}/bin/clang-tblgen ${D}${bindir}/clang-tblgen
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install -Dm 0755 ${B}${BINPATHPREFIX}/bin/lldb-tblgen ${D}${bindir}/lldb-tblgen
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for f in `find ${D}${bindir} -executable -type f -not -type l`; do
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test -n "`file -b $f|grep -i ELF`" && ${STRIP} $f
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echo "stripped $f"
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done
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ln -sf clang-tblgen ${D}${bindir}/clang-tblgen${PV}
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ln -sf llvm-tblgen ${D}${bindir}/llvm-tblgen${PV}
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ln -sf llvm-config ${D}${bindir}/llvm-config${PV}
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}
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do_install:append:class-nativesdk () {
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install -Dm 0755 ${B}${BINPATHPREFIX}/bin/clang-tblgen ${D}${bindir}/clang-tblgen
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install -Dm 0755 ${B}${BINPATHPREFIX}/bin/lldb-tblgen ${D}${bindir}/lldb-tblgen
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for f in `find ${D}${bindir} -executable -type f -not -type l`; do
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test -n "`file -b $f|grep -i ELF`" && ${STRIP} $f
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done
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ln -sf clang-tblgen ${D}${bindir}/clang-tblgen${PV}
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ln -sf llvm-tblgen ${D}${bindir}/llvm-tblgen${PV}
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ln -sf llvm-config ${D}${bindir}/llvm-config${PV}
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rm -rf ${D}${datadir}/llvm/cmake
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rm -rf ${D}${datadir}/llvm
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}
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PACKAGES =+ "${PN}-libllvm ${PN}-lldb-python libclang lldb lldb-server liblldb"
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PROVIDES += "llvm llvm${PV}"
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PROVIDES:append:class-native = " llvm-native"
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BBCLASSEXTEND = "native nativesdk"
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RDEPENDS:lldb += "${PN}-lldb-python"
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FILES:${PN}-lldb-python = "${libdir}/python*/site-packages/lldb/*"
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FILES:${PN} += "\
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${libdir}/BugpointPasses.so \
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${libdir}/LLVMHello.so \
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${libdir}/LLVMgold.so \
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${libdir}/*Plugin.so \
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${libdir}/${BPN} \
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${nonarch_libdir}/${BPN}/*/include/ \
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${datadir}/scan-* \
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${nonarch_libdir}/libscanbuild \
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${datadir}/opt-viewer/ \
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"
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FILES:lldb = "\
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${bindir}/lldb \
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"
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FILES:lldb-server = "\
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${bindir}/lldb-server \
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"
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FILES:liblldb = "\
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${libdir}/liblldbIntelFeatures.so* \
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${libdir}/liblldb.so* \
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"
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FILES:${PN}-libllvm =+ "\
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${libdir}/libLLVM-${MAJOR_VER}.${MINOR_VER}.so \
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${libdir}/libLLVM-${MAJOR_VER}.so \
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${libdir}/libLLVM-${MAJOR_VER}git.so \
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${libdir}/libLLVM-${MAJOR_VER}.${MINOR_VER}git.so \
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"
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FILES:libclang = "\
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${libdir}/libclang.so.${MAJOR_VER} \
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"
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FILES:${PN}-dev += "\
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${datadir}/llvm/cmake \
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${libdir}/cmake \
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${nonarch_libdir}/libear \
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${nonarch_libdir}/${BPN}/*.la \
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"
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FILES:${PN}-staticdev += "${nonarch_libdir}/${BPN}/*.a"
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FILES:${PN}-staticdev:remove = "${libdir}/${BPN}/*.a"
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FILES:${PN}-dev:remove = "${libdir}/${BPN}/*.la"
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FILES:${PN}:remove = "${libdir}/${BPN}/*"
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INSANE_SKIP:${PN} += "already-stripped"
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#INSANE_SKIP:${PN}-dev += "dev-elf"
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INSANE_SKIP:${PN}-lldb-python += "dev-so dev-deps"
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INSANE_SKIP:liblldb = "dev-so"
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#Avoid SSTATE_SCAN_COMMAND running sed over llvm-config.
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SSTATE_SCAN_FILES:remove = "*-config"
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TOOLCHAIN = "clang"
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TOOLCHAIN:class-native = "gcc"
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TOOLCHAIN:class-nativesdk = "clang"
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COMPILER_RT:class-nativesdk:toolchain-clang:runtime-llvm = "-rtlib=libgcc --unwindlib=libgcc"
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LIBCPLUSPLUS:class-nativesdk:toolchain-clang:runtime-llvm = "-stdlib=libstdc++"
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SYSROOT_DIRS:append:class-target = " ${nonarch_libdir}"
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SYSROOT_PREPROCESS_FUNCS:append:class-target = " clang_sysroot_preprocess"
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clang_sysroot_preprocess() {
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install -d ${SYSROOT_DESTDIR}${bindir_crossscripts}/
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install -m 0755 ${S}/../llvm-config ${SYSROOT_DESTDIR}${bindir_crossscripts}/
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ln -sf llvm-config ${SYSROOT_DESTDIR}${bindir_crossscripts}/llvm-config${PV}
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# LLDTargets.cmake references the lld executable(!) that some modules/plugins link to
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install -d ${SYSROOT_DESTDIR}${bindir}
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install -m 755 ${D}${bindir}/lld ${SYSROOT_DESTDIR}${bindir}/
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}
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