69 lines
2.9 KiB
Python
69 lines
2.9 KiB
Python
# This file was generated by Conan. Remove this comment if you edit this file or Conan
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# will destroy your changes.
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from conan.tools.build import supported_cppstd, supported_cstd
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from conan.errors import ConanException
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def cppstd_compat(conanfile):
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# It will try to find packages with all the cppstd versions
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extension_properties = getattr(conanfile, "extension_properties", {})
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compiler = conanfile.settings.get_safe("compiler")
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compiler_version = conanfile.settings.get_safe("compiler.version")
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cppstd = conanfile.settings.get_safe("compiler.cppstd")
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if not compiler or not compiler_version:
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return []
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factors = [] # List of list, each sublist is a potential combination
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if cppstd is not None and extension_properties.get("compatibility_cppstd") is not False:
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cppstd_possible_values = supported_cppstd(conanfile)
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if cppstd_possible_values is None:
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conanfile.output.warning(f'No cppstd compatibility defined for compiler "{compiler}"')
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else: # The current cppst must be included in case there is other factor
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factors.append([{"compiler.cppstd": v} for v in cppstd_possible_values])
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cstd = conanfile.settings.get_safe("compiler.cstd")
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if cstd is not None and extension_properties.get("compatibility_cstd") is not False:
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cstd_possible_values = supported_cstd(conanfile)
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if cstd_possible_values is None:
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conanfile.output.warning(f'No cstd compatibility defined for compiler "{compiler}"')
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else:
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factors.append([{"compiler.cstd": v} for v in cstd_possible_values if v != cstd])
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return factors
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def compatibility(conanfile):
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# By default, different compiler.cppstd are compatible
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# factors is a list of lists
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factors = cppstd_compat(conanfile)
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# MSVC 194->193 fallback compatibility
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compiler = conanfile.settings.get_safe("compiler")
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compiler_version = conanfile.settings.get_safe("compiler.version")
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if compiler == "msvc":
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msvc_fallback = {"194": "193"}.get(compiler_version)
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if msvc_fallback:
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factors.append([{"compiler.version": msvc_fallback}])
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# Append more factors for your custom compatibility rules here
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# Combine factors to compute all possible configurations
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combinations = _factors_combinations(factors)
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# Final compatibility settings combinations to check
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return [{"settings": [(k, v) for k, v in comb.items()]} for comb in combinations]
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def _factors_combinations(factors):
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combinations = []
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for factor in factors:
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if not combinations:
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combinations = factor
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continue
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new_combinations = []
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for comb in combinations:
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for f in factor:
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new_comb = comb.copy()
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new_comb.update(f)
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new_combinations.append(new_comb)
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combinations.extend(new_combinations)
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return combinations
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