tcmode-external-oe-sdk.inc 6.8 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. EXTERNAL_SETUP_SCRIPT_VARS ?= ""
  11. # Our headers are already multilib
  12. oe_multilib_header_pn-glibc-external = ":"
  13. python extract_env_setup_metadata() {
  14. from pathlib import Path
  15. external_toolchain = Path(d.getVar('EXTERNAL_TOOLCHAIN'))
  16. if external_toolchain.is_absolute() and external_toolchain.is_dir():
  17. setup_external_vars(external_toolchain, d, d)
  18. localdata = bb.data.createCopy(d)
  19. variants = d.getVar('MULTILIB_VARIANTS') or ''
  20. for item in variants.split():
  21. # Load overrides from 'd' to avoid having to reset the value...
  22. overrides = d.getVar('OVERRIDES', False) + ':virtclass-multilib-' + item
  23. localdata.setVar('OVERRIDES', overrides)
  24. localdata.setVar('MLPREFIX', item + '-')
  25. setup_external_vars(external_toolchain, localdata, d)
  26. }
  27. extract_env_setup_metadata[eventmask] = "bb.event.ConfigParsed"
  28. addhandler extract_env_setup_metadata
  29. def setup_external_vars(external_toolchain, localdata, d):
  30. from pathlib import Path
  31. setup, env = get_setup_script_env(external_toolchain, localdata)
  32. mlprefix = localdata.getVar('MLPREFIX')
  33. if mlprefix:
  34. suffix = '_virtclass-multilib-' + mlprefix[:-1]
  35. else:
  36. suffix = ''
  37. d.setVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT' + suffix, str(setup))
  38. for var in localdata.getVar('EXTERNAL_SETUP_SCRIPT_VARS').split():
  39. d.setVar('EXTERNAL_' + var + suffix, env.get(var) or '')
  40. target_sys = env.get('TARGET_PREFIX')[:-1]
  41. native_sysroot = Path(env.get('OECORE_NATIVE_SYSROOT'))
  42. if str(native_sysroot).startswith('$scriptdir/'):
  43. native_sysroot = setup.parent / native_sysroot.relative_to('$scriptdir')
  44. target_sysroot = Path(env.get('SDKTARGETSYSROOT'))
  45. if str(target_sysroot).startswith('$scriptdir/'):
  46. target_sysroot = setup.parent / target_sysroot.relative_to('$scriptdir')
  47. d.setVar('EXTERNAL_TARGET_SYS' + suffix, str(target_sys))
  48. d.setVar('EXTERNAL_TOOLCHAIN_BIN' + suffix, str(native_sysroot / 'usr' / 'bin' / target_sys))
  49. d.setVar('EXTERNAL_TOOLCHAIN_SYSROOT' + suffix, str(target_sysroot))
  50. # These are treated as prefixes to items in PACKAGE_ARCHS at this time.
  51. #
  52. # An armv7-a sysroot will run fine with armv7ve machines, as the latter just
  53. # have virtualization extensions. We need to handle this sort of thing
  54. # directly in this case, as for some reason the armv7-a tunes aren't listed in
  55. # the armv7ve PACKAGE_ARCHS.
  56. EXTERNAL_TOOLCHAIN_ARCH_COMPAT[armv7ve] += "armv7a"
  57. def select_appropriate_setup_script(d, external_toolchain):
  58. candidates = []
  59. tune_pkgarch = d.getVar('TUNE_PKGARCH')
  60. arch_setups = list(external_toolchain.glob('environment-setup-' + tune_pkgarch + '-*'))
  61. if arch_setups:
  62. # Exact match
  63. for setup in arch_setups:
  64. setup_env = parse_setup_script(setup)
  65. candidates.append((setup, setup_env))
  66. return candidates
  67. target_arch = d.getVar('TARGET_ARCH')
  68. target_os = d.getVar('TARGET_OS')
  69. baselib = d.getVar('baselib')
  70. package_archs = d.getVar('PACKAGE_ARCHS').split()
  71. arch_compat = d.getVarFlags('EXTERNAL_TOOLCHAIN_ARCH_COMPAT')
  72. setups = external_toolchain.glob('environment-setup-*')
  73. for setup in setups:
  74. setup_env = parse_setup_script(setup)
  75. if target_arch != setup_get(setup_env, 'OECORE_TARGET_ARCH'):
  76. bb.debug(1, "tcmode-external-oe-sdk: TARGET_ARCH `{}` doesn't match `{}` in `{}`".format(target_arch, setup_get(setup_env, 'OECORE_TARGET_ARCH'), setup))
  77. continue
  78. if target_os != setup_get(setup_env, 'OECORE_TARGET_OS'):
  79. bb.debug(1, "tcmode-external-oe-sdk: TARGET_OS `{}` doesn't match `{}` in `{}`".format(target_os, setup_get(setup_env, 'OECORE_TARGET_OS'), setup))
  80. continue
  81. if baselib != setup_get(setup_env, 'OECORE_BASELIB'):
  82. bb.debug(1, "tcmode-external-oe-sdk: BASELIB `{}` doesn't match `{}` in `{}`".format(baselib, setup_get(setup_env, 'OECORE_BASELIB'), setup))
  83. continue
  84. setup_tune_pkgarch = setup_env.get('TUNE_PKGARCH')
  85. if setup_tune_pkgarch:
  86. if setup_tune_pkgarch not in package_archs:
  87. compatible = False
  88. for from_arch, compat_archs in arch_compat.items():
  89. for compat_arch in compat_archs.split():
  90. adjusted_archs = [a.replace(from_arch, compat_arch) for a in package_archs]
  91. if setup_tune_pkgarch in adjusted_archs:
  92. compatible = True
  93. if not compatible:
  94. bb.debug(1, "tcmode-external-oe-sdk: skipping incompatible {}: TUNE_PKGARCH `{}` not found in PACKAGE_ARCHS `{}`".format(setup, setup_tune_pkgarch, package_archs))
  95. continue
  96. candidates.append((setup, setup_env))
  97. return candidates
  98. def get_setup_script_env(external_toolchain, d):
  99. from pathlib import Path
  100. setup = d.getVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT')
  101. if setup:
  102. setup = Path(setup)
  103. env = parse_setup_script(setup)
  104. else:
  105. candidates = select_appropriate_setup_script(d, external_toolchain)
  106. if not candidates:
  107. setup = None
  108. elif len(candidates) > 1:
  109. bb.fatal("tcmode-external-oe-sdk: multiple candidate setup scripts found, please specify with EXTERNAL_TOOLCHAIN_SETUP_SCRIPT: {}".format(" ".join(candidates)))
  110. else:
  111. setup, env = candidates[0]
  112. bb.debug(1, "tcmode-external-oe-sdk: selected setup script {}".format(setup))
  113. if not setup:
  114. bb.fatal('tcmode-external-oe-sdk: 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))
  115. return setup, env
  116. def setup_get(setup, field):
  117. if not field in setup:
  118. bb.fatal("tcmode-external-oe-sdk: no variable `{}` found in `{}`".format(field, setup))
  119. return setup[field]
  120. def parse_setup_script(setup):
  121. import shlex
  122. import subprocess
  123. with open(setup, 'r') as f:
  124. value = f.read()
  125. values = {}
  126. for line in value.splitlines():
  127. if line.split():
  128. split = shlex.split(line)
  129. if split and split[0] == 'export':
  130. k, v = split[1].split('=', 1)
  131. values[k] = v
  132. return values