tcmode-external-oe-sdk.inc 7.1 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. EXTERNAL_TOOLCHAINS ??= "${EXTERNAL_TOOLCHAIN}"
  14. python extract_env_setup_metadata() {
  15. from pathlib import Path
  16. paths = [Path(p) for p in d.getVar('EXTERNAL_TOOLCHAINS').split()]
  17. paths = [p for p in paths if p.is_absolute() and p.is_dir()]
  18. if paths:
  19. setup_external_vars(paths, d, d)
  20. localdata = bb.data.createCopy(d)
  21. variants = d.getVar('MULTILIB_VARIANTS') or ''
  22. for item in variants.split():
  23. # Load overrides from 'd' to avoid having to reset the value...
  24. overrides = d.getVar('OVERRIDES', False) + ':virtclass-multilib-' + item
  25. localdata.setVar('OVERRIDES', overrides)
  26. localdata.setVar('MLPREFIX', item + '-')
  27. setup_external_vars(paths, localdata, d)
  28. }
  29. extract_env_setup_metadata[eventmask] = "bb.event.ConfigParsed"
  30. addhandler extract_env_setup_metadata
  31. def setup_external_vars(paths, localdata, d):
  32. from pathlib import Path
  33. setup, env = get_setup_script_env(paths, localdata)
  34. mlprefix = localdata.getVar('MLPREFIX')
  35. if mlprefix:
  36. suffix = '_virtclass-multilib-' + mlprefix[:-1]
  37. else:
  38. suffix = ''
  39. d.setVar('EXTERNAL_TOOLCHAIN' + suffix, str(setup.parent))
  40. for var in localdata.getVar('EXTERNAL_SETUP_SCRIPT_VARS').split():
  41. d.setVar('EXTERNAL_' + var + suffix, env.get(var) or '')
  42. target_sys = env.get('TARGET_PREFIX')[:-1]
  43. native_sysroot = Path(env.get('OECORE_NATIVE_SYSROOT'))
  44. if str(native_sysroot).startswith('$scriptdir/'):
  45. native_sysroot = setup.parent / native_sysroot.relative_to('$scriptdir')
  46. target_sysroot = Path(env.get('SDKTARGETSYSROOT'))
  47. if str(target_sysroot).startswith('$scriptdir/'):
  48. target_sysroot = setup.parent / target_sysroot.relative_to('$scriptdir')
  49. d.setVar('EXTERNAL_TARGET_SYS' + suffix, str(target_sys))
  50. d.setVar('EXTERNAL_TOOLCHAIN_BIN' + suffix, str(native_sysroot / 'usr' / 'bin' / target_sys))
  51. d.setVar('EXTERNAL_TOOLCHAIN_SYSROOT' + suffix, str(target_sysroot))
  52. # These are treated as prefixes to items in PACKAGE_ARCHS at this time.
  53. #
  54. # An armv7-a sysroot will run fine with armv7ve machines, as the latter just
  55. # have virtualization extensions. We need to handle this sort of thing
  56. # directly in this case, as for some reason the armv7-a tunes aren't listed in
  57. # the armv7ve PACKAGE_ARCHS.
  58. EXTERNAL_TOOLCHAIN_ARCH_COMPAT[armv7ve] += "armv7a"
  59. def select_appropriate_setup_script(d, paths):
  60. from itertools import chain
  61. from pathlib import Path
  62. candidates = []
  63. tune_pkgarch = d.getVar('TUNE_PKGARCH')
  64. arch_setups = list(chain.from_iterable(Path(path).glob('environment-setup-' + tune_pkgarch + '-*') for path in paths))
  65. if arch_setups:
  66. # Exact match, skip processing
  67. for setup in arch_setups:
  68. setup_env = parse_setup_script(setup)
  69. candidates.append((setup, setup_env))
  70. return candidates
  71. target_arch = d.getVar('TARGET_ARCH')
  72. target_os = d.getVar('TARGET_OS')
  73. baselib = d.getVar('baselib')
  74. package_archs = d.getVar('PACKAGE_ARCHS').split()
  75. arch_compat = d.getVarFlags('EXTERNAL_TOOLCHAIN_ARCH_COMPAT')
  76. setups = chain.from_iterable(Path(path).glob('environment-setup-*') for path in paths)
  77. for setup in setups:
  78. setup_env = parse_setup_script(setup)
  79. if target_arch != setup_get(setup_env, 'OECORE_TARGET_ARCH'):
  80. bb.debug(1, "tcmode-external-oe-sdk: TARGET_ARCH `{}` doesn't match `{}` in `{}`".format(target_arch, setup_get(setup_env, 'OECORE_TARGET_ARCH'), setup))
  81. continue
  82. if target_os != setup_get(setup_env, 'OECORE_TARGET_OS'):
  83. bb.debug(1, "tcmode-external-oe-sdk: TARGET_OS `{}` doesn't match `{}` in `{}`".format(target_os, setup_get(setup_env, 'OECORE_TARGET_OS'), setup))
  84. continue
  85. if baselib != setup_get(setup_env, 'OECORE_BASELIB'):
  86. bb.debug(1, "tcmode-external-oe-sdk: BASELIB `{}` doesn't match `{}` in `{}`".format(baselib, setup_get(setup_env, 'OECORE_BASELIB'), setup))
  87. continue
  88. setup_tune_pkgarch = setup_env.get('TUNE_PKGARCH')
  89. if setup_tune_pkgarch:
  90. if setup_tune_pkgarch not in package_archs:
  91. compatible = False
  92. for from_arch, compat_archs in arch_compat.items():
  93. for compat_arch in compat_archs.split():
  94. adjusted_archs = [a.replace(from_arch, compat_arch) for a in package_archs]
  95. if setup_tune_pkgarch in adjusted_archs:
  96. compatible = True
  97. if not compatible:
  98. bb.debug(1, "tcmode-external-oe-sdk: skipping incompatible {}: TUNE_PKGARCH `{}` not found in PACKAGE_ARCHS `{}`".format(setup, setup_tune_pkgarch, package_archs))
  99. continue
  100. candidates.append((setup, setup_env))
  101. return candidates
  102. def get_setup_script_env(paths, d):
  103. from pathlib import Path
  104. setup = d.getVar('EXTERNAL_TOOLCHAIN_SETUP_SCRIPT')
  105. if setup:
  106. setup = Path(setup)
  107. env = parse_setup_script(setup)
  108. else:
  109. candidates = select_appropriate_setup_script(d, paths)
  110. if not candidates:
  111. setup = None
  112. elif len(candidates) > 1:
  113. bb.fatal("tcmode-external-oe-sdk: multiple candidate setup scripts found, please specify with EXTERNAL_TOOLCHAIN_SETUP_SCRIPT: {}".format(" ".join(candidates)))
  114. else:
  115. setup, env = candidates[0]
  116. bb.debug(1, "tcmode-external-oe-sdk: selected setup script {}".format(setup))
  117. if not setup:
  118. bb.fatal('tcmode-external-oe-sdk: failed to determine setup script path for sdk, please set EXTERNAL_TOOLCHAIN_SETUP_SCRIPT to the full path to the environment setup script.')
  119. return setup, env
  120. def setup_get(setup, field):
  121. if not field in setup:
  122. bb.fatal("tcmode-external-oe-sdk: no variable `{}` found in `{}`".format(field, setup))
  123. return setup[field]
  124. def parse_setup_script(setup):
  125. import shlex
  126. import subprocess
  127. with open(setup, 'r') as f:
  128. value = f.read()
  129. values = {}
  130. for line in value.splitlines():
  131. if line.split():
  132. split = shlex.split(line)
  133. if len(split) == 2 and split[0] == 'export':
  134. split = split[1:]
  135. if len(split) == 1:
  136. try:
  137. k, v = split[0].split('=', 1)
  138. except ValueError:
  139. continue
  140. else:
  141. values[k] = v
  142. return values