src/windows_llvm_alias.bzl

# Copyright 2026 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
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#    http://www.apache.org/licenses/LICENSE-2.0
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"""
An alias that cross-compiles its target for Windows with the hermetic LLVM
toolchains, regardless of the host platform.

This is equivalent to building the target with
`--config=llvm --platforms=@llvm//platforms:windows_x86_64`.
"""

load("@with_cfg.bzl", "with_cfg")

# Keep the toolchains in sync with the `llvm` config in .bazelrc.
windows_llvm_alias, _windows_llvm_alias = (
    with_cfg(native.alias)
        .set("platforms", [Label("@llvm//platforms:windows_x86_64")])
        .extend("extra_toolchains", ["@llvm//toolchain:all", "//src:llvm_rc_toolchain"])
        .build()
)