build.zig

const std = @import("std");

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

    const clean = b.addSystemCommand(&.{ "rm", "-f", "shader.air", "gvfs.metallib" });
    const metal_air = b.addSystemCommand(&.{
        "xcrun",
        "-sdk",
        "macosx",
        "metal",
        "-mmacosx-version-min=13.0",
        "-o",
        "shader.air",
        "-c",
        "metal/shader.metal",
    });

    metal_air.step.dependOn(&clean.step);

    const metallib = b.addSystemCommand(&.{
        "xcrun",
        "-sdk",
        "macosx",
        "metallib",
        "-o",
        "gvfs.metallib",
        "shader.air",
    });

    metallib.step.dependOn(&metal_air.step);

    const mod = b.addModule("vfs", .{
        .root_source_file = b.path("src/root.zig"),
        .target = target,
        .optimize = optimize,
    });

    const exe = b.addExecutable(.{
        .name = "vfs",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
            .imports = &.{
                .{ .name = "vfs", .module = mod },
            },
        }),
    });

    mod.addIncludePath(b.path("src"));
    mod.addCSourceFile(.{
        .file = b.path("src/gvfs_metal.m"),
        .flags = &.{"-fobjc-arc"},
    });

    mod.linkFramework("Metal", .{});
    mod.linkFramework("Foundation", .{});
    exe.step.dependOn(&metallib.step);

    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 app");
    run_step.dependOn(&run_cmd.step);
}