dev/platforms/BUILD.bazel

# Platforms that rules_python's release artifacts are built for, named after
# their Rust target triples; see dev/release_artifacts/build.sh. Linux x86_64
# hosts cross-compile for the musl one with the musl Rust toolchain in
# MODULE.bazel. The others are built on hosts that match them.

package(default_visibility = ["//:__subpackages__"])

platform(
    name = "aarch64-apple-darwin",
    constraint_values = [
        "@platforms//cpu:aarch64",
        "@platforms//os:macos",
    ],
)

platform(
    name = "aarch64-pc-windows-msvc",
    constraint_values = [
        "@platforms//cpu:aarch64",
        "@platforms//os:windows",
    ],
)

platform(
    name = "aarch64-unknown-linux-musl",
    constraint_values = [
        "@platforms//cpu:aarch64",
        "@platforms//os:linux",
        ":musl",
    ],
)

platform(
    name = "x86_64-apple-darwin",
    constraint_values = [
        "@platforms//cpu:x86_64",
        "@platforms//os:macos",
    ],
)

platform(
    name = "x86_64-pc-windows-msvc",
    constraint_values = [
        "@platforms//cpu:x86_64",
        "@platforms//os:windows",
    ],
)

platform(
    name = "x86_64-unknown-linux-gnu",
    constraint_values = [
        "@platforms//cpu:x86_64",
        "@platforms//os:linux",
    ],
)

# The libc of Linux platforms. Only musl is a constraint value: platforms
# without it, like the host, use glibc. It also keeps the musl Rust toolchain
# in MODULE.bazel from being used for glibc platforms.
constraint_setting(name = "libc")

constraint_value(
    name = "musl",
    constraint_setting = ":libc",
    # The musl Rust toolchain's repo, generated by rules_rust, refers to it.
    visibility = ["//visibility:public"],
)