build.zig

const std = @import("std");

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

    // Performance-optimized module settings
    const exe_module = b.createModule(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });

    // Enable aggressive optimizations for release builds
    if (optimize != .Debug) {
        exe_module.unwind_tables = .none;
        exe_module.omit_frame_pointer = true;
    }

    const exe = b.addExecutable(.{
        .name = "hvm4",
        .root_module = exe_module,
    });

    // On macOS, link Metal and Objective-C runtime for GPU support
    if (target.result.os.tag == .macos) {
        exe.linkFramework("Metal");
        exe.linkFramework("Foundation");
        exe.linkSystemLibrary("objc");
    }

    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());

    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    const run_step = b.step("run", "Run the HVM4 runtime");
    run_step.dependOn(&run_cmd.step);

    const unit_tests = b.addTest(.{
        .root_module = b.createModule(.{
            .root_source_file = b.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);
}