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# Select external binary prebuilt Arm toolchain
TCMODE = "external-arm"
EAT_TARGET_SYS_ARMV5 ?= "arm-none-linux-gnueabi"
EAT_TARGET_SYS_ARMV7 ?= "arm-none-linux-gnueabihf"
EAT_TARGET_SYS_ARMV8 ?= "aarch64-none-linux-gnu"
EAT_TARGET_SYS_arm = "${EAT_TARGET_SYS_ARMV5}"
EAT_TARGET_SYS_armv7a = "${EAT_TARGET_SYS_ARMV7}"
EAT_TARGET_SYS_aarch64 = "${EAT_TARGET_SYS_ARMV8}"
SECONDARY_TARGET_ARCH = "invalid"
SECONDARY_TARGET_ARCH_k3 = "armv7a"
TARGET_VENDOR = ""
TOOLCHAIN_BASE ?= "/opt"
TOOLCHAIN_PATH_ARMV5 ?= "${TOOLCHAIN_BASE}/gcc-arm-9.2-ti2020.01-armv5-x86_64-${EAT_TARGET_SYS_ARMV5}"
TOOLCHAIN_PATH_ARMV7 ?= "${TOOLCHAIN_BASE}/gcc-arm-9.2-2019.12-x86_64-${EAT_TARGET_SYS_ARMV7}"
TOOLCHAIN_PATH_ARMV8 ?= "${TOOLCHAIN_BASE}/gcc-arm-9.2-2019.12-x86_64-${EAT_TARGET_SYS_ARMV8}"
DEF_TOOLCHAIN_PATH_arm = "${TOOLCHAIN_PATH_ARMV5}"
DEF_TOOLCHAIN_PATH_armv7a = "${TOOLCHAIN_PATH_ARMV7}"
DEF_TOOLCHAIN_PATH_aarch64 = "${TOOLCHAIN_PATH_ARMV8}"
TOOLCHAIN_PATH ?= "${DEF_TOOLCHAIN_PATH}"
TOOLCHAIN_SYS := "${EAT_TARGET_SYS}"
TOOLCHAIN_PREFIX := "${TOOLCHAIN_SYS}-"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-intermediate = "external-arm-toolchain"
PREFERRED_PROVIDER_gcc-cross-canadian-${TRANSLATED_TARGET_ARCH} ?= "external-arm-sdk-toolchain-${TRANSLATED_TARGET_ARCH}"
PREFERRED_PROVIDER_binutils-cross-canadian-${TRANSLATED_TARGET_ARCH} ?= "external-arm-sdk-toolchain-${TRANSLATED_TARGET_ARCH}"
#PREFERRED_PROVIDER_gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} = "external-arm-sdk-toolchain-${TRANSLATED_TARGET_ARCH}"
PREFERRED_PROVIDER_gcc-cross-canadian-${SECONDARY_TARGET_ARCH} ?= "external-arm-secondary-sdk-toolchain-${SECONDARY_TARGET_ARCH}"
PREFERRED_PROVIDER_binutils-cross-canadian-${SECONDARY_TARGET_ARCH} ?= "external-arm-secondary-sdk-toolchain-${SECONDARY_TARGET_ARCH}"
# Special case for gdb to be built as part of canadian-cross-sdk, instead of packaged from external toolchain
bindir_pn-gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} = "${exec_prefix}/bin"
PREFERRED_PROVIDER_gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} = "gdb-cross-canadian-${TRANSLATED_TARGET_ARCH}"
# Set up runtime preferences
PREFERRED_PROVIDER_libgcc = "external-arm-toolchain"
PREFERRED_PROVIDER_gcc-runtime = "external-arm-toolchain"
# Set Cross and SDK toolchain preferences
SDKGCCVERSION ?= "arm-9.2%"
SDKGDBVERSION ?= "9.1%"
SDKBINUVERSION ?= "2.34%"
SDKGLIBCVERSION ?= "2.31%"
SDKLINUXLIBCVERSION ?= "5.4%"
PREFERRED_VERSION_gcc-crosssdk-${SDK_SYS} ?= "${SDKGCCVERSION}"
PREFERRED_VERSION_gcc-crosssdk-initial-${SDK_SYS} ?= "${SDKGCCVERSION}"
PREFERRED_VERSION_gdb-crosssdk-${SDK_SYS} ?= "${SDKGDBVERSION}"
PREFERRED_VERSION_gdb-cross-canadian-${TRANSLATED_TARGET_ARCH} ?= "${SDKGDBVERSION}"
PREFERRED_VERSION_binutils-crosssdk-${SDK_SYS} ?= "${SDKBINUVERSION}"
PREFERRED_VERSION_nativesdk-gcc-runtime ?= "${SDKGCCVERSION}"
PREFERRED_VERSION_nativesdk-libgcc ?= "${SDKGCCVERSION}"
PREFERRED_VERSION_nativesdk-libgcc-initial ?= "${SDKGCCVERSION}"
PREFERRED_VERSION_nativesdk-linux-libc-headers ?= "${SDKLINUXLIBCVERSION}"
PREFERRED_VERSION_nativesdk-glibc ?= "${SDKGLIBCVERSION}"
PREFERRED_VERSION_nativesdk-glibc-locale ?= "${SDKGLIBCVERSION}"
PREFERRED_VERSION_nativesdk-glibc-initial ?= "${SDKGLIBCVERSION}"
# Set target toolchain preferences to match Cross/SDK by default
# Can be overwritten globally, if needed
GCCVERSION ?= "arm-9.2%"
GDBVERSION ?= "9.1%"
BINUVERSION ?= "2.34%"
GLIBCVERSION ?= "2.31%"
PREFERRED_VERSION_gcc ?= "${GCCVERSION}"
PREFERRED_VERSION_gdb ?= "${GDBVERSION}"
PREFERRED_VERSION_binutils ?= "${BINUVERSION}"
PREFERRED_VERSION_glibc ?= "${GLIBCVERSION}"
PREFERRED_VERSION_glibc-locale ?= "${GLIBCVERSION}"
PREFERRED_VERSION_glibc-initial ?= "${GLIBCVERSION}"
# Licenses set for main components of the toolchain:
# (g)libc is always LGPL version 2 (or later)
# gcc has switched from GPL version 2 (or later) to version 3 (or later) after 4.2.1,
# see this announcement - http://gcc.gnu.org/ml/gcc-announce/2007/msg00003.html
# libgcc and libstdc++ always had exceptions to GPL called Runtime Library Exception, but
# it was based on GPL version 2 (or later), until new GPL version 3 (or later) exception
# was introduced on 27 Jan 2009 - http://gcc.gnu.org/ml/gcc-announce/2009/msg00000.html
# and http://www.gnu.org/licenses/gcc-exception.html, which was several days after
# gcc 4.3.3 was released - http://gcc.gnu.org/releases.html
# gdb/gdbserver version 6.6 was the last one under GPL version 2 (or later), according
# to the release schedule - http://www.gnu.org/software/gdb/schedule/
# binutils version 2.17 was the last one under GPL version 2 (or later), according
# to the published releases - http://ftp.gnu.org/gnu/binutils/
python external_arm_toolchain_license_handler () {
if not isinstance(e, bb.event.ConfigParsed):
return
d = e.data
ld = d.createCopy()
ld.finalize()
lc_libc = "LGPL-2.1"
lc_gcc = ["GPL-3.0", "GPL-2.0"][eat_get_gcc_version(ld) <= "4.2.1"]
lc_rle = ["GPL-3.0-with-GCC-exception", "GPL-2.0-with-GCC-exception"][eat_get_gcc_version(ld) <= "4.3.3"]
lc_gdb = ["GPL-3.0", "GPL-2.0"][eat_get_gdb_version(ld) <= "6.6"]
# lc_bfd = ["GPL-3.0", "GPL-2.0"][eat_get_bfd_version(ld) <= "2.17"]
d.setVar('EAT_LIC_LIBC', lc_libc)
d.setVar('EAT_LIC_GCC', lc_gcc)
d.setVar('EAT_LIC_RLE', lc_rle)
d.setVar('EAT_LIC_GDB', lc_gdb)
# d.setVar('EAT_LIC_BFD', lc_bfd)
d.setVar('EAT_LICENSE', "%s&%s&%s&%s" % (lc_libc, lc_gcc, lc_rle, lc_gdb))
}
addhandler external_arm_toolchain_license_handler
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