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- require conf/distro/include/tcmode-external.inc
- TCMODEOVERRIDES .= ":tcmode-external-oe-sdk"
- EXTERNAL_TARGET_SYS ?= "${TARGET_SYS}"
- EXTERNAL_SDK_SYS ?= "${SDK_SYS}"
- EXTERNAL_TOOLCHAIN_BIN = "${EXTERNAL_TOOLCHAIN}/sysroots/${EXTERNAL_SDK_SYS}/usr/bin/${EXTERNAL_TARGET_SYS}"
- EXTERNAL_MULTIMACH_TARGET_SYS ?= "${MULTIMACH_TARGET_SYS}"
- EXTERNAL_TOOLCHAIN_SYSROOT = "${EXTERNAL_TOOLCHAIN}/sysroots/${EXTERNAL_MULTIMACH_TARGET_SYS}"
- EXTERNAL_CC = "${EXTERNAL_TARGET_SYS}-gcc --sysroot=${EXTERNAL_TOOLCHAIN_SYSROOT}"
- EXTERNAL_TOOLCHAIN_FEATURES_append = " locale-utf8-is-default"
- # Our headers are already multilib
- oe_multilib_header_pn-glibc-external = ":"
- python extract_env_setup_metadata() {
- from pathlib import Path
- external_toolchain = Path(d.getVar('EXTERNAL_TOOLCHAIN'))
- if external_toolchain.is_absolute() and external_toolchain.is_dir():
- setup_external_vars(external_toolchain, d, d)
- localdata = bb.data.createCopy(d)
- variants = d.getVar('MULTILIB_VARIANTS') or ''
- for item in variants.split():
- # Load overrides from 'd' to avoid having to reset the value...
- overrides = d.getVar('OVERRIDES', False) + ':virtclass-multilib-' + item
- localdata.setVar('OVERRIDES', overrides)
- localdata.setVar('MLPREFIX', item + '-')
- setup_external_vars(external_toolchain, localdata, d)
- }
- extract_env_setup_metadata[eventmask] = "bb.event.ConfigParsed"
- addhandler extract_env_setup_metadata
- def setup_external_vars(external_toolchain, localdata, d):
- from pathlib import Path
- setup, env = get_setup_script_env(external_toolchain, localdata)
- mlprefix = localdata.getVar('MLPREFIX')
- if mlprefix:
- suffix = '_virtclass-multilib-' + mlprefix[:-1]
- else:
- suffix = ''
- d.setVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT' + suffix, str(setup))
- target_sys = env.get('TARGET_PREFIX')[:-1]
- native_sysroot = Path(env.get('OECORE_NATIVE_SYSROOT'))
- if str(native_sysroot).startswith('$scriptdir/'):
- native_sysroot = setup.parent / native_sysroot.relative_to('$scriptdir')
- target_sysroot = Path(env.get('SDKTARGETSYSROOT'))
- if str(target_sysroot).startswith('$scriptdir/'):
- target_sysroot = setup.parent / target_sysroot.relative_to('$scriptdir')
- d.setVar('EXTERNAL_TARGET_SYS' + suffix, str(target_sys))
- d.setVar('EXTERNAL_TOOLCHAIN_BIN' + suffix, str(native_sysroot / 'usr' / 'bin' / target_sys))
- d.setVar('EXTERNAL_TOOLCHAIN_SYSROOT' + suffix, str(target_sysroot))
- # These are treated as prefixes to items in PACKAGE_ARCHS at this time.
- #
- # An armv7-a sysroot will run fine with armv7ve machines, as the latter just
- # have virtualization extensions. We need to handle this sort of thing
- # directly in this case, as for some reason the armv7-a tunes aren't listed in
- # the armv7ve PACKAGE_ARCHS.
- EXTERNAL_TOOLCHAIN_ARCH_COMPAT[armv7ve] += "armv7a"
- def select_appropriate_setup_script(d, external_toolchain):
- candidates = []
- tune_pkgarch = d.getVar('TUNE_PKGARCH')
- arch_setups = list(external_toolchain.glob('environment-setup-' + tune_pkgarch + '-*'))
- if arch_setups:
- # Exact match
- for setup in arch_setups:
- setup_env = parse_setup_script(setup)
- candidates.append((setup, setup_env))
- return candidates
- target_arch = d.getVar('TARGET_ARCH')
- target_os = d.getVar('TARGET_OS')
- baselib = d.getVar('baselib')
- package_archs = d.getVar('PACKAGE_ARCHS').split()
- arch_compat = d.getVarFlags('EXTERNAL_TOOLCHAIN_ARCH_COMPAT')
- setups = external_toolchain.glob('environment-setup-*')
- for setup in setups:
- setup_env = parse_setup_script(setup)
- if target_arch != setup_get(setup_env, 'OECORE_TARGET_ARCH'):
- bb.debug(1, "tcmode-external-sourcery: TARGET_ARCH `{}` doesn't match `{}` in `{}`".format(target_arch, setup_get(setup_env, 'OECORE_TARGET_ARCH'), setup))
- continue
- if target_os != setup_get(setup_env, 'OECORE_TARGET_OS'):
- bb.debug(1, "tcmode-external-sourcery: TARGET_OS `{}` doesn't match `{}` in `{}`".format(target_os, setup_get(setup_env, 'OECORE_TARGET_OS'), setup))
- continue
- if baselib != setup_get(setup_env, 'OECORE_BASELIB'):
- bb.debug(1, "tcmode-external-sourcery: BASELIB `{}` doesn't match `{}` in `{}`".format(baselib, setup_get(setup_env, 'OECORE_BASELIB'), setup))
- continue
- setup_tune_pkgarch = setup_env.get('TUNE_PKGARCH')
- if setup_tune_pkgarch:
- if setup_tune_pkgarch not in package_archs:
- compatible = False
- for from_arch, compat_archs in arch_compat.items():
- for compat_arch in compat_archs.split():
- adjusted_archs = [a.replace(from_arch, compat_arch) for a in package_archs]
- if setup_tune_pkgarch in adjusted_archs:
- compatible = True
- if not compatible:
- bb.debug(1, "tcmode-external-sourcery: skipping incompatible {}: TUNE_PKGARCH `{}` not found in PACKAGE_ARCHS `{}`".format(setup, setup_tune_pkgarch, package_archs))
- continue
- candidates.append((setup, setup_env))
- return candidates
- def get_setup_script_env(external_toolchain, d):
- from pathlib import Path
- setup = d.getVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT')
- if setup:
- setup = Path(setup)
- env = parse_setup_script(setup)
- else:
- candidates = select_appropriate_setup_script(d, external_toolchain)
- if not candidates:
- setup = None
- elif len(candidates) > 1:
- bb.fatal("tcmode-external-sourcery: multiple candidate setup scripts found, please specify with EXTERNAL_TOOLCHAIN_SETUP_SCRIPT: {}".format(" ".join(candidates)))
- else:
- setup, env = candidates[0]
- bb.debug(1, "tcmode-external-sourcery: selected setup script {}".format(setup))
- if not setup:
- bb.fatal('tcmode-external-sourcery: failed to determine setup script path for sdk at {}, please set EXTERNAL_TOOLCHAIN_SETUP_SCRIPT to the full path to the environment setup script.'.format(external_toolchain))
- return setup, env
- def setup_get(setup, field):
- if not field in setup:
- bb.fatal("tcmode-external-sourcery: no variable `{}` found in `{}`".format(field, setup))
- return setup[field]
- def parse_setup_script(setup):
- import shlex
- import subprocess
- with open(setup, 'r') as f:
- value = f.read()
- values = {}
- for line in value.splitlines():
- if line.split():
- split = shlex.split(line)
- if split and split[0] == 'export':
- k, v = split[1].split('=', 1)
- values[k] = v
- return values
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