load("//bazel:common_settings.bzl", "string_flag")

#
# OS-CPU CONFIG SETTINGS
#

config_setting(
    name = "linux_arm64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:arm64",
    ],
)

config_setting(
    name = "linux_x86_64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

config_setting(
    name = "macos_arm64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:arm64",
    ],
)

config_setting(
    name = "macos_x86_64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:x86_64",
    ],
)

config_setting(
    name = "openbsd_x86_64",
    constraint_values = [
        "@platforms//os:openbsd",
        "@platforms//cpu:x86_64",
    ],
)

config_setting(
    name = "windows_x86_64",
    constraint_values = [
        "@platforms//os:windows",
        "@platforms//cpu:x86_64",
    ],
)

#
# COMPILERS
#

constraint_setting(name = "compiler")

# Cross compiler from x86_64 to arm64.
constraint_value(
    name = "aarch64_linux_gnu_gcc",
    constraint_setting = ":compiler",
    visibility = ["//visibility:public"],
)

# Compiler for x86_64.
constraint_value(
    name = "clang",
    constraint_setting = ":compiler",
    visibility = ["//visibility:public"],
)

# Compiler for x86_64.
constraint_value(
    name = "gcc",
    constraint_setting = ":compiler",
    visibility = ["//visibility:public"],
)

# Version flag for aarch64-linux-gnu-gcc.
string_flag(
    name = "aarch64_linux_gnu_gcc_version",
    build_setting_default = "12.2.0",
    visibility = ["//visibility:public"],
)

# Version flag for clang.
string_flag(
    name = "clang_version",
    build_setting_default = "14.0.6",
    visibility = ["//visibility:public"],
)

# Version flag for gcc.
string_flag(
    name = "gcc_version",
    build_setting_default = "12.2.0",
    visibility = ["//visibility:public"],
)

#
# PLATFORMS
#

# A platform takes one of two formats: `<compiler>-<os>-<cpu>` or `<os>-<cpu>`
# if the compiler is unspecified.

# Linux arm64 platform with unspecified compiler.
platform(
    name = "linux-arm64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:arm64",
    ],
)

# Linux x86_64 platform with unspecified compiler.
platform(
    name = "linux-x86_64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

# Linux x86_64 platform with aarch64-linux-gnu-gcc.
platform(
    name = "aarch64_linux_gnu_gcc-linux-x86_64",
    constraint_values = [
        ":aarch64_linux_gnu_gcc",
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
    visibility = ["//visibility:public"],
)

# Linux x86_64 platform with clang.
platform(
    name = "clang-linux-x86_64",
    constraint_values = [
        ":clang",
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
    visibility = ["//visibility:public"],
)

# Linux x86_64 platform with gcc.
platform(
    name = "gcc-linux-x86_64",
    constraint_values = [
        ":gcc",
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

platform(
    name = "macos-arm64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:arm64",
    ],
)

platform(
    name = "clang-macos-arm64",
    constraint_values = [
        ":clang",
        "@platforms//os:macos",
        "@platforms//cpu:arm64",
    ],
)

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

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

alias(
    name = "urbit",
    actual = "//pkg/vere:urbit",
)