149 lines
7.1 KiB
Plaintext
149 lines
7.1 KiB
Plaintext
# Add the necessary override
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CCACHE_COMPILERCHECK:toolchain-clang ?= "%compiler% -v"
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HOST_CC_ARCH:prepend:toolchain-clang = "-target ${HOST_SYS} "
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CC:toolchain-clang = "${CCACHE}${HOST_PREFIX}clang ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
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CXX:toolchain-clang = "${CCACHE}${HOST_PREFIX}clang++ ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
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CPP:toolchain-clang = "${CCACHE}${HOST_PREFIX}clang ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS} -E"
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CCLD:toolchain-clang = "${CCACHE}${HOST_PREFIX}clang ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
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RANLIB:toolchain-clang = "${HOST_PREFIX}llvm-ranlib"
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AR:toolchain-clang = "${HOST_PREFIX}llvm-ar"
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NM:toolchain-clang = "${HOST_PREFIX}llvm-nm"
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OBJDUMP:toolchain-clang = "${HOST_PREFIX}llvm-objdump"
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OBJCOPY:toolchain-clang = "${HOST_PREFIX}llvm-objcopy"
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STRIP:toolchain-clang = "${HOST_PREFIX}llvm-strip"
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STRINGS:toolchain-clang = "${HOST_PREFIX}llvm-strings"
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READELF:toolchain-clang = "${HOST_PREFIX}llvm-readelf"
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LTO:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'thin-lto', '-flto=thin', '-flto -fuse-ld=lld', d)}"
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PACKAGE_DEBUG_SPLIT_STYLE:toolchain-clang = "debug-without-src"
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COMPILER_RT ??= ""
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COMPILER_RT:class-native = "-rtlib=libgcc ${UNWINDLIB}"
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COMPILER_RT:armeb = "-rtlib=libgcc ${UNWINDLIB}"
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COMPILER_RT:libc-klibc = "-rtlib=libgcc ${UNWINDLIB}"
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UNWINDLIB ??= ""
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UNWINDLIB:class-native = "--unwindlib=libgcc"
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UNWINDLIB:armeb = "--unwindlib=libgcc"
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UNWINDLIB_libc-klibc = "--unwindlib=libgcc"
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LIBCPLUSPLUS ??= ""
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LIBCPLUSPLUS:armv5 = "-stdlib=libstdc++"
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CXXFLAGS:append:toolchain-clang = " ${LIBCPLUSPLUS}"
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LDFLAGS:append:toolchain-clang = " ${COMPILER_RT} ${LIBCPLUSPLUS}"
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TUNE_CCARGS:remove:toolchain-clang = "-meb"
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TUNE_CCARGS:remove:toolchain-clang = "-mel"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains("TUNE_FEATURES", "bigendian", " -mbig-endian", " -mlittle-endian", d)}"
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# Clang does not yet support big.LITTLE performance tunes, so use the LITTLE for tunes
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TUNE_CCARGS:remove:toolchain-clang = "-mcpu=cortex-a57.cortex-a53 -mcpu=cortex-a72.cortex-a53 -mcpu=cortex-a15.cortex-a7 -mcpu=cortex-a17.cortex-a7 -mcpu=cortex-a72.cortex-a35 -mcpu=cortex-a73.cortex-a53 -mcpu=cortex-a75.cortex-a55 -mcpu=cortex-a76.cortex-a55"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa72-cortexa53 cortexa57-cortexa53 cortexa73-cortexa53", " -mcpu=cortex-a53", "", d)}"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa15-cortexa7 cortexa17-cortexa7", " -mcpu=cortex-a7", "", d)}"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa72-cortexa35", " -mcpu=cortex-a35", "", d)}"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa75-cortexa55 cortexa76-cortexa55", " -mcpu=cortex-a55", "", d)}"
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# Clang does not support octeontx2 processor
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TUNE_CCARGS:remove:toolchain-clang = "-mcpu=octeontx2"
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# LLD does not yet support relaxation for RISCV e.g. https://reviews.freebsd.org/D25210
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TUNE_CCARGS:append:toolchain-clang:riscv32 = " -mno-relax"
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TUNE_CCARGS:append:toolchain-clang:riscv64 = " -mno-relax"
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# Reconcile some ppc anamolies
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TUNE_CCARGS:remove:toolchain-clang:powerpc = "-mhard-float -mno-spe"
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TUNE_CCARGS:append:toolchain-clang:libc-musl:powerpc64 = " -mlong-double-64"
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TUNE_CCARGS:append:toolchain-clang:libc-musl:powerpc64le = " -mlong-double-64"
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TUNE_CCARGS:append:toolchain-clang:libc-musl:powerpc = " -mlong-double-64"
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# usrmerge workaround
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains("DISTRO_FEATURES", "usrmerge", " --dyld-prefix=/usr", "", d)}"
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TUNE_CCARGS:append:toolchain-clang = " -Qunused-arguments"
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LDFLAGS:append:toolchain-clang:class-nativesdk:x86-64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-x86-64.so.2"
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LDFLAGS:append:toolchain-clang:class-nativesdk:x86 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux.so.2"
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LDFLAGS:append:toolchain-clang:class-nativesdk:aarch64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-aarch64.so.1"
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LDFLAGS:toolchain-clang:class-nativesdk = "${BUILDSDK_LDFLAGS} \
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-Wl,-rpath-link,${STAGING_LIBDIR}/.. \
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-Wl,-rpath,${libdir}/.. "
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# Enable lld globally"
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LDFLAGS:append:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=lld', '', d)}"
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# choose between 'gcc' 'clang' an empty '' can be used as well
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TOOLCHAIN ??= "gcc"
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# choose between 'gnu' 'llvm'
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RUNTIME ??= "gnu"
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#RUNTIME:toolchain-gcc = "gnu"
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RUNTIME:armeb = "gnu"
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RUNTIME:armv5 = "gnu"
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TOOLCHAIN:class-native = "gcc"
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TOOLCHAIN:class-nativesdk = "gcc"
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TOOLCHAIN:class-cross-canadian = "gcc"
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TOOLCHAIN:class-crosssdk = "gcc"
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TOOLCHAIN:class-cross = "gcc"
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OVERRIDES =. "${@['', 'toolchain-${TOOLCHAIN}:']['${TOOLCHAIN}' != '']}"
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OVERRIDES =. "${@['', 'runtime-${RUNTIME}:']['${RUNTIME}' != '']}"
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OVERRIDES[vardepsexclude] += "TOOLCHAIN RUNTIME"
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YOCTO_ALTERNATE_EXE_PATH:toolchain-clang:class-target = "${STAGING_BINDIR}/llvm-config"
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YOCTO_ALTERNATE_LIBDIR:toolchain-clang:class-target = "/${BASELIB}"
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#YOCTO_ALTERNATE_EXE_PATH:toolchain-clang:class-target[export] = "1"
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#YOCTO_ALTERNATE_LIBDIR:toolchain-clang:class-target[export] = "1"
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#DEPENDS:append:toolchain-clang:class-target = " clang-cross-${TARGET_ARCH} "
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#DEPENDS:remove:toolchain-clang:allarch = "clang-cross-${TARGET_ARCH}"
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def clang_base_deps(d):
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if not d.getVar('INHIBIT_DEFAULT_DEPS', False):
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if not oe.utils.inherits(d, 'allarch') :
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ret = " ${MLPREFIX}clang-cross-${TARGET_ARCH} virtual/libc "
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if (d.getVar('RUNTIME').find('android') != -1):
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ret += " libcxx"
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return ret
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if (d.getVar('RUNTIME').find('llvm') != -1):
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ret += " compiler-rt"
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elif (d.getVar('COMPILER_RT').find('-rtlib=compiler-rt') != -1):
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ret += " compiler-rt "
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else:
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ret += " libgcc "
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if (d.getVar('RUNTIME').find('llvm') != -1):
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ret += " libcxx"
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elif (d.getVar('COMPILER_RT').find('--unwindlib=libunwind') != -1):
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ret += " libcxx "
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elif (d.getVar('LIBCPLUSPLUS').find('-stdlib=libc++') != -1):
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ret += " libcxx "
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else:
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ret += " virtual/${TARGET_PREFIX}compilerlibs "
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return ret
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return ""
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BASE_DEFAULT_DEPS:toolchain-clang:class-target = "${@clang_base_deps(d)}"
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BASE_DEFAULT_DEPS:append:class-native:toolchain-clang:runtime-llvm = " libcxx-native compiler-rt-native"
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BASE_DEFAULT_DEPS:append:class-nativesdk:toolchain-clang:runtime-llvm = " clang-native nativesdk-libcxx nativesdk-compiler-rt"
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# do_populate_sysroot needs STRIP
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POPULATESYSROOTDEPS:toolchain-clang:class-target = "${MLPREFIX}clang-cross-${TARGET_ARCH}:do_populate_sysroot"
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cmake_do_generate_toolchain_file:append:toolchain-clang () {
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cat >> ${WORKDIR}/toolchain.cmake <<EOF
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set( CMAKE_CLANG_TIDY ${HOST_PREFIX}clang-tidy )
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EOF
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sed -i 's/ -mmusl / /g' ${WORKDIR}/toolchain.cmake
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}
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#
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# dump recipes which still use gcc
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#python __anonymous() {
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# toolchain = d.getVar("TOOLCHAIN")
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# if not toolchain or toolchain == "clang" or 'class-target' not in d.getVar('OVERRIDES').split(':'):
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# return
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# pkgn = d.getVar("PN")
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# bb.warn("%s - %s" % (pkgn, toolchain))
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#}
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