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https://github.com/thead-yocto-mirror/meta-external-toolchain
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If the user hasn't set EXTERNAL_TOOLCHAIN, but CODEBENCH_PATH is set, then we automatically set both EXTERNAL_TOOLCHAIN and EXTERNAL_TARGET_SYS based on the installed toolchains in CODEBENCH_PATH/../toolchains. This adds a new variable, rather than allowing EXTERNAL_TOOLCHAIN to point to CodeBench instead of the actual toolchain path, to keep the clean separation between the generic toolchain logic and that which is specific to our toolchains, and also avoids overloading the variable's meaning. JIRA: SB-7881 Signed-off-by: Christopher Larson <chris_larson@mentor.com>
53 lines
2.6 KiB
Plaintext
53 lines
2.6 KiB
Plaintext
# If the user hasn't set EXTERNAL_TOOLCHAIN, but CODEBENCH_PATH is set, then
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# we automatically set both EXTERNAL_TOOLCHAIN and EXTERNAL_TARGET_SYS based
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# on the installed toolchains in CODEBENCH_PATH/../toolchains.
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CODEBENCH_PATH ?= ""
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CODEBENCH_TOOLCHAINS_PATH ?= "${CODEBENCH_PATH}/../toolchains"
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python codebench_check () {
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codebench_path = d.getVar('CODEBENCH_PATH', True)
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if not codebench_path:
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return
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elif d.getVar('EXTERNAL_TOOLCHAIN', True):
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bb.warn('Both EXTERNAL_TOOLCHAIN and CODEBENCH_PATH are set. Ignoring CODEBENCH_PATH in preference to EXTERNAL_TOOLCHAIN')
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return
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toolchains_path = d.getVar('CODEBENCH_TOOLCHAINS_PATH', True)
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if not os.path.exists(toolchains_path):
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if len(os.listdir(os.path.join(codebench_path, 'bin'))) > 1:
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bb.warn('CODEBENCH_PATH is set, but the expected toolchains path ({}) does not exist. Defaulting EXTERNAL_TOOLCHAIN to CODEBENCH_PATH, assuming an old codebench version.'.format(toolchains_path))
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else:
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bb.fatal('Expected toolchains path `{}` does not exist, please ensure that CODEBENCH_PATH is set to a valid CodeBench installation'.format(toolchains_path))
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required_version = d.getVar('SOURCERY_VERSION_REQUIRED', True)
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if required_version:
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required_version = required_version.split('-', 1)[0]
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subdirs = os.listdir(toolchains_path)
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triplets, toolchain_subdir = [], None
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for triplet in d.getVar('EXTERNAL_TARGET_SYSTEMS', True).split():
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if required_version:
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expected_subdir = triplet + '.' + required_version
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if expected_subdir in subdirs:
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triplets.append(triplet)
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toolchain_subdir = expected_subdir
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else:
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for subdir in subdirs:
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if subdir.startswith(triplet + '.'):
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triplets.append(triplet)
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toolchain_subdir = subdir
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if triplets:
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break
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if len(triplets) > 1:
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bb.fatal('Error: unable to determine which toolchain to use, as multiple are available ({}). Please set EXTERNAL_TOOLCHAIN manually to the appropriate path in `{}`'.format(', '.join(triplets), toolchains_path))
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elif not triplets:
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bb.fatal('Unable to locate appropriate toolchain in `{}`, please set EXTERNAL_TOOLCHAIN to the correct toolchain path, or install the required CodeBench version'.format(toolchains_path))
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else:
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d.setVar('EXTERNAL_TARGET_SYS', triplets[0])
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d.setVar('EXTERNAL_TOOLCHAIN', os.path.join(toolchains_path, toolchain_subdir))
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}
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codebench_check[eventmask] = "bb.event.ConfigParsed"
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addhandler codebench_check
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