tcmode-external-oe-sdk.inc 7.2 KB

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