zig/std/special/build_file_template.zig

const Builder = @import("std").build.Builder;

pub fn build(b: &Builder) void {
    const mode = b.standardReleaseOptions();
    const exe = b.addExecutable("YOUR_NAME_HERE", "src/main.zig");
    exe.setBuildMode(mode);

    b.default_step.dependOn(&exe.step);
    b.installArtifact(exe);
}