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//! Build recipe
const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const bin = b.addExecutable(.{
        .name = "roux",
        .root_source_file = .{ .path = "src/main.zig" },
        .target = target,
        .optimize = optimize,
        .link_libc = true,
    });
    const cflags = .{
        "-std=c99", "-g", "-Wall", "-Wextra", "-Wpedantic",
        // https://lists.sr.ht/~mpu/qbe/<CYB4FWK7MACC.2IF4DEL4C9BF1@loang.net>
        "-fno-sanitize=undefined",
    };
    bin.addIncludePath(.{ .path = "." });
    bin.addCSourceFiles(&.{
        "util.c", "parse.c", "abi.c", "cfg.c",
        "mem.c", "ssa.c", "alias.c", "load.c", "copy.c", "fold.c",
        "simpl.c", "live.c", "spill.c", "rega.c", "emit.c",
    }, &cflags);
    bin.addCSourceFiles(&.{
        "amd64/targ.c", "amd64/sysv.c", "amd64/isel.c", "amd64/emit.c",
        "arm64/targ.c", "arm64/abi.c", "arm64/isel.c", "arm64/emit.c",
        "rv64/targ.c", "rv64/abi.c", "rv64/isel.c", "rv64/emit.c",
    }, &cflags);
    b.installArtifact(bin);
    const run_cmd = b.addRunArtifact(bin);
    run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args|
        run_cmd.addArgs(args);
    b.step("run", "Run the app").dependOn(&run_cmd.step);

    const unit_tests = b.addTest(.{
        .root_source_file = .{ .path = "src/main.zig" },
        .target = target,
        .optimize = optimize,
    });

    const run_unit_tests = b.addRunArtifact(unit_tests);
    const test_step = b.step("test", "Run unit tests");
    test_step.dependOn(&run_unit_tests.step);
}