2021-03-12 17:08:13 +00:00
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"""A module for defining WORKSPACE dependencies required for rules_foreign_cc"""
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
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load(
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"//foreign_cc/private/shell_toolchain/toolchains:ws_defs.bzl",
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shell_toolchain_workspace_initalization = "workspace_part",
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)
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load("//toolchains:toolchains.bzl", "built_toolchains", "prebuilt_toolchains", "preinstalled_toolchains")
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# buildifier: disable=unnamed-macro
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def rules_foreign_cc_dependencies(
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native_tools_toolchains = [],
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register_default_tools = True,
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2021-04-09 14:00:16 +00:00
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cmake_version = "3.20.1",
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2021-03-12 17:08:13 +00:00
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make_version = "4.3",
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ninja_version = "1.10.2",
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register_preinstalled_tools = True,
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register_built_tools = True,
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additional_shell_toolchain_mappings = [],
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additional_shell_toolchain_package = None):
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"""Call this function from the WORKSPACE file to initialize rules_foreign_cc \
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dependencies and let neccesary code generation happen \
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(Code generation is needed to support different variants of the C++ Starlark API.).
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Args:
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native_tools_toolchains: pass the toolchains for toolchain types
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'@rules_foreign_cc//toolchains:cmake_toolchain' and
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'@rules_foreign_cc//toolchains:ninja_toolchain' with the needed platform constraints.
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If you do not pass anything, registered default toolchains will be selected (see below).
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register_default_tools: If True, the cmake and ninja toolchains, calling corresponding
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preinstalled binaries by name (cmake, ninja) will be registered after
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'native_tools_toolchains' without any platform constraints. The default is True.
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cmake_version: The target version of the cmake toolchain if `register_default_tools`
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or `register_built_tools` is set to `True`.
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make_version: The target version of the default make toolchain if `register_built_tools`
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is set to `True`.
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ninja_version: The target version of the ninja toolchain if `register_default_tools`
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or `register_built_tools` is set to `True`.
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register_preinstalled_tools: If true, toolchains will be registered for the native built tools
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installed on the exec host
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register_built_tools: If true, toolchains that build the tools from source are registered
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additional_shell_toolchain_mappings: Mappings of the shell toolchain functions to
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execution and target platforms constraints. Similar to what defined in
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@rules_foreign_cc//foreign_cc/private/shell_toolchain/toolchains:toolchain_mappings.bzl
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in the TOOLCHAIN_MAPPINGS list. Please refer to example in @rules_foreign_cc//toolchain_examples.
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additional_shell_toolchain_package: A package under which additional toolchains, referencing
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the generated data for the passed additonal_shell_toolchain_mappings, will be defined.
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This value is needed since register_toolchains() is called for these toolchains.
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Please refer to example in @rules_foreign_cc//toolchain_examples.
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"""
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shell_toolchain_workspace_initalization(
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additional_shell_toolchain_mappings,
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additional_shell_toolchain_package,
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)
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native.register_toolchains(*native_tools_toolchains)
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if register_default_tools:
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prebuilt_toolchains(cmake_version, ninja_version)
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if register_built_tools:
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built_toolchains(
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cmake_version = cmake_version,
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make_version = make_version,
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ninja_version = ninja_version,
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)
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if register_preinstalled_tools:
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preinstalled_toolchains()
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maybe(
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http_archive,
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name = "bazel_skylib",
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sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
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urls = [
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"https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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"https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
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],
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)
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