51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
"""
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Generates package naming variables for use with rules_pkg.
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"""
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load("@rules_pkg//:providers.bzl", "PackageVariablesInfo")
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load("@bazel_tools//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain")
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load(":protobuf_version.bzl", "PROTOC_VERSION")
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def _package_naming_impl(ctx):
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values = {}
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values["version"] = PROTOC_VERSION
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# infer from the current cpp toolchain.
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toolchain = find_cpp_toolchain(ctx)
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cpu = toolchain.cpu
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system_name = toolchain.target_gnu_system_name
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# rename cpus to match what we want artifacts to be
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if cpu == "systemz":
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cpu = "s390_64"
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elif cpu == "aarch64":
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cpu = "aarch_64"
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elif cpu == "ppc64":
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cpu = "ppcle_64"
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# use the system name to determine the os and then create platform names
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if "apple" in system_name:
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values["platform"] = "osx-" + cpu
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elif "linux" in system_name:
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values["platform"] = "linux-" + cpu
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elif "mingw" in system_name:
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if cpu == "x86_64":
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values["platform"] = "win64"
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else:
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values["platform"] = "win32"
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else:
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values["platform"] = "unknown"
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return PackageVariablesInfo(values = values)
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package_naming = rule(
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implementation = _package_naming_impl,
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attrs = {
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# Necessary data dependency for find_cpp_toolchain.
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"_cc_toolchain": attr.label(default = Label("@bazel_tools//tools/cpp:current_cc_toolchain")),
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},
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toolchains = ["@bazel_tools//tools/cpp:toolchain_type"],
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incompatible_use_toolchain_transition = True,
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)
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