tcmode-external-oe-sdk.inc 6.9 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. for var in localdata.getVar('EXTERNAL_SETUP_SCRIPT_VARS').split():
  38. d.setVar('EXTERNAL_' + var + suffix, env.get(var) or '')
  39. target_sys = env.get('TARGET_PREFIX')[:-1]
  40. native_sysroot = Path(env.get('OECORE_NATIVE_SYSROOT'))
  41. if str(native_sysroot).startswith('$scriptdir/'):
  42. native_sysroot = setup.parent / native_sysroot.relative_to('$scriptdir')
  43. target_sysroot = Path(env.get('SDKTARGETSYSROOT'))
  44. if str(target_sysroot).startswith('$scriptdir/'):
  45. target_sysroot = setup.parent / target_sysroot.relative_to('$scriptdir')
  46. d.setVar('EXTERNAL_TARGET_SYS' + suffix, str(target_sys))
  47. d.setVar('EXTERNAL_TOOLCHAIN_BIN' + suffix, str(native_sysroot / 'usr' / 'bin' / target_sys))
  48. d.setVar('EXTERNAL_TOOLCHAIN_SYSROOT' + suffix, str(target_sysroot))
  49. # These are treated as prefixes to items in PACKAGE_ARCHS at this time.
  50. #
  51. # An armv7-a sysroot will run fine with armv7ve machines, as the latter just
  52. # have virtualization extensions. We need to handle this sort of thing
  53. # directly in this case, as for some reason the armv7-a tunes aren't listed in
  54. # the armv7ve PACKAGE_ARCHS.
  55. EXTERNAL_TOOLCHAIN_ARCH_COMPAT[armv7ve] += "armv7a"
  56. def select_appropriate_setup_script(d, external_toolchain):
  57. candidates = []
  58. tune_pkgarch = d.getVar('TUNE_PKGARCH')
  59. arch_setups = list(external_toolchain.glob('environment-setup-' + tune_pkgarch + '-*'))
  60. if arch_setups:
  61. # Exact match
  62. for setup in arch_setups:
  63. setup_env = parse_setup_script(setup)
  64. candidates.append((setup, setup_env))
  65. return candidates
  66. target_arch = d.getVar('TARGET_ARCH')
  67. target_os = d.getVar('TARGET_OS')
  68. baselib = d.getVar('baselib')
  69. package_archs = d.getVar('PACKAGE_ARCHS').split()
  70. arch_compat = d.getVarFlags('EXTERNAL_TOOLCHAIN_ARCH_COMPAT')
  71. setups = external_toolchain.glob('environment-setup-*')
  72. for setup in setups:
  73. setup_env = parse_setup_script(setup)
  74. if target_arch != setup_get(setup_env, 'OECORE_TARGET_ARCH'):
  75. bb.debug(1, "tcmode-external-oe-sdk: TARGET_ARCH `{}` doesn't match `{}` in `{}`".format(target_arch, setup_get(setup_env, 'OECORE_TARGET_ARCH'), setup))
  76. continue
  77. if target_os != setup_get(setup_env, 'OECORE_TARGET_OS'):
  78. bb.debug(1, "tcmode-external-oe-sdk: TARGET_OS `{}` doesn't match `{}` in `{}`".format(target_os, setup_get(setup_env, 'OECORE_TARGET_OS'), setup))
  79. continue
  80. if baselib != setup_get(setup_env, 'OECORE_BASELIB'):
  81. bb.debug(1, "tcmode-external-oe-sdk: BASELIB `{}` doesn't match `{}` in `{}`".format(baselib, setup_get(setup_env, 'OECORE_BASELIB'), setup))
  82. continue
  83. setup_tune_pkgarch = setup_env.get('TUNE_PKGARCH')
  84. if setup_tune_pkgarch:
  85. if setup_tune_pkgarch not in package_archs:
  86. compatible = False
  87. for from_arch, compat_archs in arch_compat.items():
  88. for compat_arch in compat_archs.split():
  89. adjusted_archs = [a.replace(from_arch, compat_arch) for a in package_archs]
  90. if setup_tune_pkgarch in adjusted_archs:
  91. compatible = True
  92. if not compatible:
  93. bb.debug(1, "tcmode-external-oe-sdk: skipping incompatible {}: TUNE_PKGARCH `{}` not found in PACKAGE_ARCHS `{}`".format(setup, setup_tune_pkgarch, package_archs))
  94. continue
  95. candidates.append((setup, setup_env))
  96. return candidates
  97. def get_setup_script_env(external_toolchain, d):
  98. from pathlib import Path
  99. setup = d.getVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT')
  100. if setup:
  101. setup = Path(setup)
  102. env = parse_setup_script(setup)
  103. else:
  104. candidates = select_appropriate_setup_script(d, external_toolchain)
  105. if not candidates:
  106. setup = None
  107. elif len(candidates) > 1:
  108. bb.fatal("tcmode-external-oe-sdk: multiple candidate setup scripts found, please specify with EXTERNAL_TOOLCHAIN_SETUP_SCRIPT: {}".format(" ".join(candidates)))
  109. else:
  110. setup, env = candidates[0]
  111. bb.debug(1, "tcmode-external-oe-sdk: selected setup script {}".format(setup))
  112. if not setup:
  113. 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))
  114. return setup, env
  115. def setup_get(setup, field):
  116. if not field in setup:
  117. bb.fatal("tcmode-external-oe-sdk: no variable `{}` found in `{}`".format(field, setup))
  118. return setup[field]
  119. def parse_setup_script(setup):
  120. import shlex
  121. import subprocess
  122. with open(setup, 'r') as f:
  123. value = f.read()
  124. values = {}
  125. for line in value.splitlines():
  126. if line.split():
  127. split = shlex.split(line)
  128. if len(split) == 2 and split[0] == 'export':
  129. split = split[1:]
  130. if len(split) == 1:
  131. try:
  132. k, v = split[0].split('=', 1)
  133. except ValueError:
  134. continue
  135. else:
  136. values[k] = v
  137. return values