60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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#
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# This source code is licensed under both the MIT license found in the
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# LICENSE-MIT file in the root directory of this source tree and the Apache
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# License, Version 2.0 found in the LICENSE-APACHE file in the root directory
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# of this source tree.
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load("@prelude//rust:rust_toolchain.bzl", "RustPlatformInfo", "RustToolchainInfo")
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_DEFAULT_TRIPLE = select({
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"ovr_config//os:linux": select({
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"ovr_config//cpu:arm64": "aarch64-unknown-linux-gnu",
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"ovr_config//cpu:x86_64": "x86_64-unknown-linux-gnu",
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}),
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"ovr_config//os:macos": select({
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"ovr_config//cpu:arm64": "aarch64-apple-darwin",
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"ovr_config//cpu:x86_64": "x86_64-apple-darwin",
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}),
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"ovr_config//os:windows": select({
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# FIXME: rustup's default ABI for the host on Windows is MSVC, not GNU.
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# When you do `rustup install stable` that's the one you get. It makes
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# you opt in to GNU by `rustup install stable-gnu`. We should match that
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# default when we're able; but for now buck2 doesn't work with the MSVC
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# toolchain yet.
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"ovr_config//cpu:arm64": "aarch64-pc-windows-gnu",
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"ovr_config//cpu:x86_64": "x86_64-pc-windows-gnu",
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}),
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})
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def _system_rust_toolchain_impl(ctx):
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return [
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DefaultInfo(),
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RustToolchainInfo(
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clippy_driver = "clippy-driver",
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compiler = "rustc",
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failure_filter_action = ctx.attrs.failure_filter_action[RunInfo],
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rustc_action = ctx.attrs.rustc_action[RunInfo],
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default_edition = ctx.attrs.default_edition,
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rustc_target_triple = ctx.attrs.rustc_target_triple,
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rustdoc = "rustdoc",
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rustc_flags = ctx.attrs.rustc_flags,
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rustdoc_flags = ctx.attrs.rustdoc_flags,
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),
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RustPlatformInfo(
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name = "x86_64",
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),
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]
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system_rust_toolchain = rule(
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impl = _system_rust_toolchain_impl,
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attrs = {
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"default_edition": attrs.option(attrs.string(), default = None),
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"failure_filter_action": attrs.default_only(attrs.dep(providers = [RunInfo], default = "prelude//rust/tools:failure_filter_action")),
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"rustc_action": attrs.default_only(attrs.dep(providers = [RunInfo], default = "prelude//rust/tools:rustc_action")),
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"rustc_flags": attrs.list(attrs.string(), default = []),
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"rustc_target_triple": attrs.string(default = _DEFAULT_TRIPLE),
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"rustdoc_flags": attrs.list(attrs.string(), default = []),
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},
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is_toolchain_rule = True,
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)
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