tcmode-external-oe-sdk.inc 6.7 KB

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  1. require conf/distro/include/tcmode-external.inc
  2. TCMODEOVERRIDES .= ":tcmode-external-oe-sdk"
  3. EXTERNAL_TARGET_SYS ?= "${TARGET_SYS}"
  4. EXTERNAL_SDK_SYS ?= "${SDK_SYS}"
  5. EXTERNAL_TOOLCHAIN_BIN = "${EXTERNAL_TOOLCHAIN}/sysroots/${EXTERNAL_SDK_SYS}/usr/bin/${EXTERNAL_TARGET_SYS}"
  6. EXTERNAL_MULTIMACH_TARGET_SYS ?= "${MULTIMACH_TARGET_SYS}"
  7. EXTERNAL_TOOLCHAIN_SYSROOT = "${EXTERNAL_TOOLCHAIN}/sysroots/${EXTERNAL_MULTIMACH_TARGET_SYS}"
  8. EXTERNAL_CC = "${EXTERNAL_TARGET_SYS}-gcc --sysroot=${EXTERNAL_TOOLCHAIN_SYSROOT}"
  9. EXTERNAL_TOOLCHAIN_FEATURES_append = " locale-utf8-is-default"
  10. # Our headers are already multilib
  11. oe_multilib_header_pn-glibc-external = ":"
  12. python extract_env_setup_metadata() {
  13. from pathlib import Path
  14. external_toolchain = Path(d.getVar('EXTERNAL_TOOLCHAIN'))
  15. if external_toolchain.is_absolute() and external_toolchain.is_dir():
  16. setup_external_vars(external_toolchain, d, d)
  17. localdata = bb.data.createCopy(d)
  18. variants = d.getVar('MULTILIB_VARIANTS') or ''
  19. for item in variants.split():
  20. # Load overrides from 'd' to avoid having to reset the value...
  21. overrides = d.getVar('OVERRIDES', False) + ':virtclass-multilib-' + item
  22. localdata.setVar('OVERRIDES', overrides)
  23. localdata.setVar('MLPREFIX', item + '-')
  24. setup_external_vars(external_toolchain, localdata, d)
  25. }
  26. extract_env_setup_metadata[eventmask] = "bb.event.ConfigParsed"
  27. addhandler extract_env_setup_metadata
  28. def setup_external_vars(external_toolchain, localdata, d):
  29. from pathlib import Path
  30. setup, env = get_setup_script_env(external_toolchain, localdata)
  31. mlprefix = localdata.getVar('MLPREFIX')
  32. if mlprefix:
  33. suffix = '_virtclass-multilib-' + mlprefix[:-1]
  34. else:
  35. suffix = ''
  36. d.setVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT' + suffix, str(setup))
  37. target_sys = env.get('TARGET_PREFIX')[:-1]
  38. native_sysroot = Path(env.get('OECORE_NATIVE_SYSROOT'))
  39. if str(native_sysroot).startswith('$scriptdir/'):
  40. native_sysroot = setup.parent / native_sysroot.relative_to('$scriptdir')
  41. target_sysroot = Path(env.get('SDKTARGETSYSROOT'))
  42. if str(target_sysroot).startswith('$scriptdir/'):
  43. target_sysroot = setup.parent / target_sysroot.relative_to('$scriptdir')
  44. d.setVar('EXTERNAL_TARGET_SYS' + suffix, str(target_sys))
  45. d.setVar('EXTERNAL_TOOLCHAIN_BIN' + suffix, str(native_sysroot / 'usr' / 'bin' / target_sys))
  46. d.setVar('EXTERNAL_TOOLCHAIN_SYSROOT' + suffix, str(target_sysroot))
  47. # These are treated as prefixes to items in PACKAGE_ARCHS at this time.
  48. #
  49. # An armv7-a sysroot will run fine with armv7ve machines, as the latter just
  50. # have virtualization extensions. We need to handle this sort of thing
  51. # directly in this case, as for some reason the armv7-a tunes aren't listed in
  52. # the armv7ve PACKAGE_ARCHS.
  53. EXTERNAL_TOOLCHAIN_ARCH_COMPAT[armv7ve] += "armv7a"
  54. def select_appropriate_setup_script(d, external_toolchain):
  55. candidates = []
  56. tune_pkgarch = d.getVar('TUNE_PKGARCH')
  57. arch_setups = list(external_toolchain.glob('environment-setup-' + tune_pkgarch + '-*'))
  58. if arch_setups:
  59. # Exact match
  60. for setup in arch_setups:
  61. setup_env = parse_setup_script(setup)
  62. candidates.append((setup, setup_env))
  63. return candidates
  64. target_arch = d.getVar('TARGET_ARCH')
  65. target_os = d.getVar('TARGET_OS')
  66. baselib = d.getVar('baselib')
  67. package_archs = d.getVar('PACKAGE_ARCHS').split()
  68. arch_compat = d.getVarFlags('EXTERNAL_TOOLCHAIN_ARCH_COMPAT')
  69. setups = external_toolchain.glob('environment-setup-*')
  70. for setup in setups:
  71. setup_env = parse_setup_script(setup)
  72. if target_arch != setup_get(setup_env, 'OECORE_TARGET_ARCH'):
  73. bb.debug(1, "tcmode-external-sourcery: TARGET_ARCH `{}` doesn't match `{}` in `{}`".format(target_arch, setup_get(setup_env, 'OECORE_TARGET_ARCH'), setup))
  74. continue
  75. if target_os != setup_get(setup_env, 'OECORE_TARGET_OS'):
  76. bb.debug(1, "tcmode-external-sourcery: TARGET_OS `{}` doesn't match `{}` in `{}`".format(target_os, setup_get(setup_env, 'OECORE_TARGET_OS'), setup))
  77. continue
  78. if baselib != setup_get(setup_env, 'OECORE_BASELIB'):
  79. bb.debug(1, "tcmode-external-sourcery: BASELIB `{}` doesn't match `{}` in `{}`".format(baselib, setup_get(setup_env, 'OECORE_BASELIB'), setup))
  80. continue
  81. setup_tune_pkgarch = setup_env.get('TUNE_PKGARCH')
  82. if setup_tune_pkgarch:
  83. if setup_tune_pkgarch not in package_archs:
  84. compatible = False
  85. for from_arch, compat_archs in arch_compat.items():
  86. for compat_arch in compat_archs.split():
  87. adjusted_archs = [a.replace(from_arch, compat_arch) for a in package_archs]
  88. if setup_tune_pkgarch in adjusted_archs:
  89. compatible = True
  90. if not compatible:
  91. bb.debug(1, "tcmode-external-sourcery: skipping incompatible {}: TUNE_PKGARCH `{}` not found in PACKAGE_ARCHS `{}`".format(setup, setup_tune_pkgarch, package_archs))
  92. continue
  93. candidates.append((setup, setup_env))
  94. return candidates
  95. def get_setup_script_env(external_toolchain, d):
  96. from pathlib import Path
  97. setup = d.getVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT')
  98. if setup:
  99. setup = Path(setup)
  100. env = parse_setup_script(setup)
  101. else:
  102. candidates = select_appropriate_setup_script(d, external_toolchain)
  103. if not candidates:
  104. setup = None
  105. elif len(candidates) > 1:
  106. bb.fatal("tcmode-external-sourcery: multiple candidate setup scripts found, please specify with EXTERNAL_TOOLCHAIN_SETUP_SCRIPT: {}".format(" ".join(candidates)))
  107. else:
  108. setup, env = candidates[0]
  109. bb.debug(1, "tcmode-external-sourcery: selected setup script {}".format(setup))
  110. if not setup:
  111. 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))
  112. return setup, env
  113. def setup_get(setup, field):
  114. if not field in setup:
  115. bb.fatal("tcmode-external-sourcery: no variable `{}` found in `{}`".format(field, setup))
  116. return setup[field]
  117. def parse_setup_script(setup):
  118. import shlex
  119. import subprocess
  120. with open(setup, 'r') as f:
  121. value = f.read()
  122. values = {}
  123. for line in value.splitlines():
  124. if line.split():
  125. split = shlex.split(line)
  126. if split and split[0] == 'export':
  127. k, v = split[1].split('=', 1)
  128. values[k] = v
  129. return values