# Add the necessary override
|
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 = "${HOST_PREFIX}llvm-nm"
|
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LTO:toolchain-clang = "${@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:powerpc = "-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:powerpc = "--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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CXXFLAGS:append:toolchain-clang = " ${LIBCPLUSPLUS}"
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LDFLAGS:append:toolchain-clang = " ${COMPILER_RT} ${LIBCPLUSPLUS}"
|
|
TUNE_CCARGS:remove:toolchain-clang = "-meb"
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TUNE_CCARGS:remove:toolchain-clang = "-mel"
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TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains("TUNE_FEATURES", "bigendian", " -mbig-endian", " -mlittle-endian", d)}"
|
|
# Clang does not yet support big.LITTLE performance tunes, so use the LITTLE for tunes
|
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 = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa72-cortexa53 cortexa57-cortexa53 cortexa73-cortexa53", " -mcpu=cortex-a53", "", d)}"
|
TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa15-cortexa7 cortexa17-cortexa7", " -mcpu=cortex-a7", "", d)}"
|
TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa72-cortexa35", " -mcpu=cortex-a35", "", d)}"
|
TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains_any("TUNE_FEATURES", "cortexa75-cortex-a55 cortexa76-cortex-a55", " -mcpu=cortex-a55", "", d)}"
|
|
# Clang does not support octeontx2 processor
|
TUNE_CCARGS:remove:toolchain-clang = "-mcpu=octeontx2"
|
|
# LLD does not yet support relaxation for RISCV e.g. https://reviews.freebsd.org/D25210
|
TUNE_CCARGS:append:toolchain-clang:riscv32 = " -mno-relax"
|
TUNE_CCARGS:append:toolchain-clang:riscv64 = " -mno-relax"
|
|
TUNE_CCARGS:remove:toolchain-clang:powerpc = "-mhard-float"
|
TUNE_CCARGS:remove:toolchain-clang:powerpc = "-mno-spe"
|
|
TUNE_CCARGS:append:toolchain-clang = " -Qunused-arguments"
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TUNE_CCARGS:append:toolchain-clang:libc-musl:powerpc64 = " -mlong-double-64"
|
TUNE_CCARGS:append:toolchain-clang:libc-musl:powerpc64le = " -mlong-double-64"
|
# usrmerge workaround
|
TUNE_CCARGS:append:toolchain-clang = "${@bb.utils.contains("DISTRO_FEATURES", "usrmerge", " --dyld-prefix=/usr", "", d)}"
|
|
LDFLAGS:append:toolchain-clang:class-nativesdk:x86-64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-x86-64.so.2"
|
LDFLAGS:append:toolchain-clang:class-nativesdk:x86 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux.so.2"
|
LDFLAGS:append:toolchain-clang:class-nativesdk:aarch64 = " -Wl,-dynamic-linker,${base_libdir}/ld-linux-aarch64.so.1"
|
|
LDFLAGS:toolchain-clang:class-nativesdk = "${BUILDSDK_LDFLAGS} \
|
-Wl,-rpath-link,${STAGING_LIBDIR}/.. \
|
-Wl,-rpath,${libdir}/.. "
|
|
# Enable lld globally"
|
LDFLAGS:append:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=lld', '', d)}"
|
|
# choose between 'gcc' 'clang' an empty '' can be used as well
|
TOOLCHAIN ??= "gcc"
|
# choose between 'gnu' 'llvm'
|
RUNTIME ??= "gnu"
|
#RUNTIME:toolchain-gcc = "gnu"
|
RUNTIME:armeb = "gnu"
|
|
TOOLCHAIN:class-native = "gcc"
|
TOOLCHAIN:class-nativesdk = "gcc"
|
TOOLCHAIN:class-cross-canadian = "gcc"
|
TOOLCHAIN:class-crosssdk = "gcc"
|
TOOLCHAIN:class-cross = "gcc"
|
|
OVERRIDES =. "${@['', 'toolchain-${TOOLCHAIN}:']['${TOOLCHAIN}' != '']}"
|
OVERRIDES =. "${@['', 'runtime-${RUNTIME}:']['${RUNTIME}' != '']}"
|
OVERRIDES[vardepsexclude] += "TOOLCHAIN RUNTIME"
|
|
#DEPENDS:append:toolchain-clang:class-target = " clang-cross-${TARGET_ARCH} "
|
#DEPENDS:remove:toolchain-clang:allarch = "clang-cross-${TARGET_ARCH}"
|
|
def clang_base_deps(d):
|
if not d.getVar('INHIBIT_DEFAULT_DEPS', False):
|
if not oe.utils.inherits(d, 'allarch') :
|
ret = " clang-cross-${TARGET_ARCH} virtual/libc "
|
if (d.getVar('RUNTIME').find('llvm') != -1):
|
ret += " compiler-rt libcxx"
|
elif (d.getVar('COMPILER_RT').find('-rtlib=compiler-rt') != -1):
|
ret += " compiler-rt "
|
else:
|
ret += " libgcc "
|
if (d.getVar('RUNTIME').find('llvm') != -1):
|
ret += " libcxx"
|
elif (d.getVar('COMPILER_RT').find('--unwindlib=libunwind') != -1):
|
ret += " libcxx "
|
elif (d.getVar('LIBCPLUSPLUS').find('-stdlib=libc++') != -1):
|
ret += " libcxx "
|
else:
|
ret += " virtual/${TARGET_PREFIX}compilerlibs "
|
return ret
|
return ""
|
|
BASE_DEFAULT_DEPS:toolchain-clang:class-target = "${@clang_base_deps(d)}"
|
BASE_DEFAULT_DEPS:append:class-native:toolchain-clang:runtime-llvm = " libcxx-native compiler-rt-native"
|
BASE_DEFAULT_DEPS:append:class-nativesdk:toolchain-clang:runtime-llvm = " clang-native nativesdk-libcxx nativesdk-compiler-rt"
|
|
cmake_do_generate_toolchain_file:append:toolchain-clang () {
|
cat >> ${WORKDIR}/toolchain.cmake <<EOF
|
set( CMAKE_CLANG_TIDY ${HOST_PREFIX}clang-tidy )
|
EOF
|
sed -i 's/ -mmusl / /g' ${WORKDIR}/toolchain.cmake
|
}
|
#
|
# dump recipes which still use gcc
|
#python __anonymous() {
|
# toolchain = d.getVar("TOOLCHAIN")
|
# if not toolchain or toolchain == "clang" or 'class-target' not in d.getVar('OVERRIDES').split(':'):
|
# return
|
# pkgn = d.getVar("PN")
|
# bb.warn("%s - %s" % (pkgn, toolchain))
|
#}
|
