mirror of
https://github.com/thead-yocto-mirror/meta-external-toolchain
synced 2026-06-21 08:52:27 +02:00
139 lines
6.7 KiB
PHP
139 lines
6.7 KiB
PHP
# Configuration to use external Sourcery G++ toolchain
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EXTERNAL_TOOLCHAIN ??= "UNKNOWN"
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EXTERNAL_TARGET_SYS ??= "${TARGET_ARCH}-${TARGET_OS}"
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EXTERNAL_TOOLCHAIN_BIN ??= "${EXTERNAL_TOOLCHAIN}/bin"
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EXTERNAL_ENABLED = "1"
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# External toolchain features.
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#
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# locale-utf8-is-default: assume en_US is utf8, not en_US.UTF-8, as is the
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# case for OE.
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EXTERNAL_TOOLCHAIN_FEATURES ?= ""
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python () {
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oe.utils.features_backfill("EXTERNAL_TOOLCHAIN_FEATURES", d)
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}
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# Prefer our recipes which extract files from the external toolchain
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc ?= "gcc-external-cross-${TARGET_ARCH}"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-intermediate ?= "gcc-external-cross-${TARGET_ARCH}"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}g++ ?= "gcc-external-cross-${TARGET_ARCH}"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils ?= "binutils-external-cross-${TARGET_ARCH}"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}compilerlibs ?= "gcc-runtime-external"
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PREFERRED_PROVIDER_gcc-runtime = "gcc-runtime-external"
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PREFERRED_PROVIDER_gcc-sanitizers ?= "gcc-sanitizers-external"
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PREFERRED_PROVIDER_libgcc-initial = "libgcc-external"
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PREFERRED_PROVIDER_libnsl2 = "libnsl2-external"
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PREFERRED_PROVIDER_libtirpc = "libtirpc-external"
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PREFERRED_PROVIDER_libgfortran = "libgfortran-external"
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PREFERRED_PROVIDER_glibc ?= "glibc-external"
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PREFERRED_PROVIDER_virtual/libc ?= "glibc-external"
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PREFERRED_PROVIDER_virtual/libintl ?= "glibc-external"
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PREFERRED_PROVIDER_virtual/libiconv ?= "glibc-external"
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PREFERRED_PROVIDER_virtual/crypt ?= "libxcrypt-external"
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PREFERRED_PROVIDER_gdb-cross-${TARGET_ARCH} ?= "gdb-external-cross-${TARGET_ARCH}"
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PREFERRED_PROVIDER_oprofile ??= "oprofile"
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# Work around bug where the implicitly created mlprefix preference isn't being
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# obeyed for the runtime package installation.
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PREFERRED_PROVIDER_${MLPREFIX}gdbserver ?= "${MLPREFIX}gdb"
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# This is defined in default-providers.inc, which is parsed before the tcmode,
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# so we can't use ?=
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PREFERRED_PROVIDER_linux-libc-headers = "glibc-external"
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PNBLACKLIST[linux-libc-headers] = "not building with an external toolchain"
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PNBLACKLIST[linux-libc-headers-yocto] = "not building with an external toolchain"
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PREFERRED_PROVIDER_gcc-cross-canadian-${TRANSLATED_TARGET_ARCH} ??= "gcc-external-cross-canadian-${TRANSLATED_TARGET_ARCH}"
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PREFERRED_PROVIDER_binutils-cross-canadian-${TRANSLATED_TARGET_ARCH} ??= "binutils-external-cross-canadian-${TRANSLATED_TARGET_ARCH}"
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PREFERRED_PROVIDER_gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} ??= "gdb-external-cross-canadian-${TRANSLATED_TARGET_ARCH}"
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# This is defined in default-providers.inc, which is parsed before the tcmode,
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# so we can't use ?=
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PREFERRED_PROVIDER_libgcc = "libgcc-external"
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# Pass --no-sysroot-suffix when using an external toolchain with the SDK
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TOOLCHAIN_TARGET_TASK:append = " sdk-env-external-toolchain"
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# Sanity check the toolchain configuration and toolchain
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INHERIT += "sanity-external-toolchain"
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# Ensure that we don't pull in any internal toolchain recipes
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INHERIT += "blacklist blacklist_dynamic"
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PNBLACKLIST[uclibc] = "not building with an external toolchain"
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PNBLACKLIST[glibc] = "not building with an external toolchain"
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PNBLACKLIST[glibc-intermediate] = "not building with an external toolchain"
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PNBLACKLIST[gcc-runtime] = "not building with an external toolchain"
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PNBLACKLIST[gcc-sanitizers] = "not building with an external toolchain"
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PNBLACKLIST[gcc-source] = "not building with an external toolchain"
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PNBLACKLIST[libgcc-initial] = "not building with an external toolchain"
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PNBLACKLIST[libgcc] = "not building with an external toolchain"
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PNBLACKLIST[libgfortran] = "not building with an external toolchain"
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PNBLACKLIST_DYNAMIC += "\
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${MLPREFIX}gcc-cross-${TARGET_ARCH} \
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\
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binutils-cross-canadian-${TRANSLATED_TARGET_ARCH} \
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gcc-cross-canadian-${TRANSLATED_TARGET_ARCH} \
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gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} \
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\
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gcc-source-${@'${GCCVERSION}'.replace('%', '')} \
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"
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# We need our -cross recipes to rebuild when the external toolchain changes,
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# to recreate the links / wrapper scripts
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BB_HASHBASE_WHITELIST:remove = "EXTERNAL_TOOLCHAIN"
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# For a toolchain built with multilibs, we don't want any suffix implicitly
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# added to the oe sysroot path, as those dirs will not exist.
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# TOOLCHAIN_OPTIONS would seem more appropriate, but that gets added to LD as
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# well, and --no-sysroot-suffix only works for gcc, not binutils.
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NO_SYSROOT_SUFFIX = " --no-sysroot-suffix"
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NO_SYSROOT_SUFFIX_toolchain-clang = ""
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HOST_CC_ARCH .= "${NO_SYSROOT_SUFFIX}"
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# Certain recipes call ld directly, so ensure the correct emulation is used,
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# particularly for multilib toolchains, since we can't rely on the default
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LDEMULATION = ""
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LDEMULATION_ENDIAN = "${@'bt' if 'bigendian' in '${TUNE_FEATURES}'.split() else 'lt'}"
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LDEMULATION_BITS = "${@'64' if 'n64' in '${TUNE_FEATURES}'.split() else '32'}"
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LDEMULATION:mips64 = "elf${LDEMULATION_BITS}${LDEMULATION_ENDIAN}smip${@bb.utils.contains('TUNE_FEATURES', 'n32', 'n32', '', d)}"
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LDEMULATION:x86-64 = "elf_${TARGET_ARCH}"
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LDEMULATION:x86-64:linux-gnux32 = "elf32_${TARGET_ARCH}"
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TUNE_LDARGS += "${@'-m ${LDEMULATION}' if '${LDEMULATION}' else ''}"
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# Additional search path for compiler component programs, to let us rebuild
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# binutils if necessary.
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gcc_bindir = "${STAGING_BINDIR_TOOLCHAIN}/gcc"
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TUNE_CCARGS .= "${@' -B${gcc_bindir}' if d.getVar('PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils') != 'binutils-external-cross-${TARGET_ARCH}' else ''}"
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# Align the external toolchain ldflags with the internal
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TARGET_LDFLAGS_BUILD_ID = "-Wl,--build-id=sha1"
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TARGET_LDFLAGS += "${TARGET_LDFLAGS_BUILD_ID}"
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TCMODEOVERRIDES ?= "tcmode-external"
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OVERRIDES =. "${TCMODEOVERRIDES}:"
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python toolchain_metadata_setup () {
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# The external toolchain may not have been built with the yocto preferred
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# gnu hash setting, so ensure that the corresponding sanity check is a
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# warning, not an error.
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error_qa = (d.getVar('ERROR_QA', True) or '').split()
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if 'ldflags' in error_qa:
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error_qa.remove('ldflags')
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d.setVar('ERROR_QA', ' '.join(error_qa))
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d.appendVar('WARN_QA', ' ldflags')
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}
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toolchain_metadata_setup[eventmask] = "bb.event.ConfigParsed"
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addhandler toolchain_metadata_setup
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GCCVERSION ?= "${@'.'.join('${GCC_VERSION}'.split('.')[:2])}%"
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GCC_VERSION = "${@external_run(d, d.getVar('EXTERNAL_CC'), '-dumpversion').rstrip()}"
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GCC_VERSION_allarch = ""
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GCC_VERSION[vardepvalue] = "${GCC_VERSION}"
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# macro-prefix-map was introduced in gcc 8
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REMOVE_MACRO_PREFIX_MAP = "-fmacro-prefix-map=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR}"
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DEBUG_PREFIX_MAP:remove:class-target = "${@'${REMOVE_MACRO_PREFIX_MAP}' if '${GCC_VERSION}' not in ['', 'UNKNOWN'] and [int(v) for v in '${GCC_VERSION}'.split('.')] < [8,0] else ''}"
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BUILDCFG_VARS += "EXTERNAL_TOOLCHAIN EXTERNAL_TARGET_SYS GCC_VERSION"
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