toolchain/BUILD.bazel

# SPDX-FileCopyrightText: Copyright 2026 The Pigweed Authors
# SPDX-License-Identifier: Apache-2.0

load("@bazel_skylib//rules:common_settings.bzl", "string_flag")

# This file is loaded unconditionally from WORKSPACE in all builds Google-wide.
#
# DO NOT add any rule types other than
# toolchain(),  filegroup(), config_setting(), or constraint_value()
#
# DO NOT use glob() in this file.
#
# This file exists for toolchain() registrations ONLY. This prevents evaluating
# toolchains (especially unsupported toolchains) from being created unless
# specifically requested.

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

string_flag(
    name = "zephyr_toolchain_variant",
    build_setting_default = "gcc",
    values = [
        "gcc",
        "llvm",
    ],
)

alias(
    name = "compiler",
    actual = ":zephyr_toolchain_variant",
)

config_setting(
    name = "compiler_is_clang",
    flag_values = {":zephyr_toolchain_variant": "llvm"},
)

config_setting(
    name = "compiler_is_gcc",
    flag_values = {":zephyr_toolchain_variant": "gcc"},
)

# arc
toolchain(
    name = "arc_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints:arc",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arc:arc_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# arm
toolchain(
    name = "cortex-m_gcc_cc_cortex-m0",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m0",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m0plus",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m0plus",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m1",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m1",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m3",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m3",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m4",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m4",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m7",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m7",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m23",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m23",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m33",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m33",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m52",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m52",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m55",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m55",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_gcc_cc_cortex-m85",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m85",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm:cortex-m_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# arm llvm
toolchain(
    name = "cortex-m_llvm_cc_cortex-m0",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m0",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m0plus",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m0plus",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m1",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m1",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m3",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m3",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m4",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m4",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m7",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m7",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m23",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m23",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m33",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m33",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m52",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m52",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m55",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m55",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "cortex-m_llvm_cc_cortex-m85",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints/arm:cortex-m85",
        "@bazel_tools//tools/cpp:clang",
    ],
    toolchain = "//toolchain/arm:cortex-m_llvm",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# arm64
toolchain(
    name = "arm64_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "@platforms//cpu:aarch64",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/arm64:arm64_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# mips
toolchain(
    name = "mips_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints:mips",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/mips:mips_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# riscv
toolchain(
    name = "riscv_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "@platforms//cpu:riscv32",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/riscv:riscv_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# rx
toolchain(
    name = "rx_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints:rx",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/rx:rx_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# sparc
toolchain(
    name = "sparc_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints:sparc",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/sparc:sparc_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# x86
toolchain(
    name = "x86_gcc_cc",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "@platforms//cpu:x86_64",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/x86:x86_gcc",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# xtensa
toolchain(
    name = "xtensa_gcc_cc_dc233c",
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "@platforms//os:none",
        "//constraints:xtensa",
        "@bazel_tools//tools/cpp:gcc",
    ],
    toolchain = "//toolchain/xtensa:xtensa_gcc_dc233c",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

# native_sim
toolchain(
    name = "native_sim_clang_cc_linux",
    exec_compatible_with = [
        "@platforms//os:linux",
    ],
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "//boards:sim",
        "@platforms//os:linux",
    ],
    toolchain = "//toolchain/native_sim:native_sim_clang",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)

toolchain(
    name = "native_sim_clang_cc_macos",
    exec_compatible_with = [
        "@platforms//os:macos",
    ],
    target_compatible_with = [
        "//constraints:zephyr_autoconf_force_included",
        "//boards:sim",
        "@platforms//os:macos",
    ],
    toolchain = "//toolchain/native_sim:native_sim_clang",
    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
)