examples/cross_compile/BUILD.bazel

load("@rules_rust//rust:defs.bzl", "rust_binary")
load("@rules_shell//shell:sh_test.bzl", "sh_test")

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

filegroup(
    name = "all",
    srcs = [
        ":hello_world_aarch64",
        ":hello_world_host",
        ":hello_world_x86_64",
    ],
)

rust_binary(
    name = "hello_world_host",
    srcs = ["src/main.rs"],
    deps = [
        "@crates//:lz4-sys",
        "@crates//:mimalloc",
    ],
)

rust_binary(
    name = "hello_world_x86_64",
    srcs = ["src/main.rs"],
    platform = "//build/platforms:linux-x86_64",
    deps = [
        "@crates//:lz4-sys",
        "@crates//:mimalloc",
    ],
)

rust_binary(
    name = "hello_world_aarch64",
    srcs = ["src/main.rs"],
    platform = "//build/platforms:linux-aarch64",
    deps = [
        "@crates//:lz4-sys",
        "@crates//:mimalloc",
    ],
)

# Test if the host binary works.
# Note, we cannot test for platform since Bazel determines the host platform automatically
sh_test(
    name = "test_hello_world_host",
    srcs = ["test_hello_world.sh"],
    args = [
        "$(rlocationpath :hello_world_host)",
    ],
    data = [
        ":hello_world_host",
    ],
    deps = [
        "@bazel_tools//tools/bash/runfiles",
    ],
)

# Test the for x86_64 architecture
sh_test(
    name = "test_linux_x86_64",
    srcs = ["test_platform.sh"],
    args = [
        "$(rootpath :hello_world_x86_64)",
        "x86_64",
    ],
    data = [
        ":hello_world_x86_64",
    ],
    deps = [
        "@bazel_tools//tools/bash/runfiles",
    ],
)

# Test for ARM architecture
sh_test(
    name = "test_linux_arm64",
    srcs = ["test_platform.sh"],
    args = [
        "$(rootpath :hello_world_aarch64)",
        "aarch64",
    ],
    data = [
        ":hello_world_aarch64",
    ],
    deps = [
        "@bazel_tools//tools/bash/runfiles",
    ],
)