mirror of
https://github.com/thead-yocto-mirror/meta-external-toolchain
synced 2026-09-06 16:04:40 +02:00
f7ea27eaf3
We don't want to encourage use of alternate versions of this recipe, there are better ways to add additional headers. Signed-off-by: Christopher Larson <chris_larson@mentor.com>
100 lines
4.8 KiB
PHP
100 lines
4.8 KiB
PHP
# Configuration to use external Sourcery G++ toolchain
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EXTERNAL_TOOLCHAIN ?= "UNDEFINED"
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EXTERNAL_TARGET_SYS ??= "${TARGET_ARCH}-${TARGET_OS}"
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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/${TARGET_PREFIX}gcc-initial ?= "gcc-external-cross-${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/${TARGET_PREFIX}compilerlibs ?= "gcc-runtime-external"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc ?= "glibc-external"
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PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-initial ?= "glibc-external"
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PREFERRED_PROVIDER_gcc-sanitizers ?= "gcc-sanitizers-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_gdbserver ??= "gdbserver-external"
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PREFERRED_PROVIDER_oprofile ??= "oprofile"
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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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# Pull in our utility functions for use elsewhere
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INHERIT += "external-common"
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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[uclibc-initial] = "not building with an external toolchain"
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PNBLACKLIST[glibc] = "not building with an external toolchain"
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PNBLACKLIST[glibc-initial] = "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[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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PNBLACKLIST_DYNAMIC += "\
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${MLPREFIX}gcc-cross-${TARGET_ARCH} \
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${MLPREFIX}gcc-cross-initial-${TARGET_ARCH} \
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${MLPREFIX}binutils-cross-${TARGET_ARCH} \
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\
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gcc-source-${@'${GCCVERSION}'.replace('%', '')} \
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"
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# We need our -cross recipes to rebuild when the external toolchain changes,
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# to recreate the links / wrapper scripts
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BB_HASHBASE_WHITELIST_remove = "EXTERNAL_TOOLCHAIN"
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# For a toolchain built with multilibs, we don't want any suffix implicitly
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# added to the oe sysroot path, as those dirs will not exist.
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# TOOLCHAIN_OPTIONS would seem more appropriate, but that gets added to LD as
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# well, and --no-sysroot-suffix only works for gcc, not binutils.
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HOST_CC_ARCH += "--no-sysroot-suffix"
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# Certain recipes call ld directly, so ensure the correct emulation is used,
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# particularly for multilib toolchains, since we can't rely on the default
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LDEMULATION = ""
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LDEMULATION_ENDIAN = "${@'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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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 = "${@external_run(d, 'gcc', '-dumpversion').rstrip()}"
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GCC_VERSION_allarch = ""
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GCC_VERSION[vardepvalue] = "${GCC_VERSION}"
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BUILDCFG_VARS += "EXTERNAL_TOOLCHAIN EXTERNAL_TARGET_SYS GCC_VERSION"
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# Use -Wl,--as-needed
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require conf/distro/include/as-needed.inc
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