build.zig

const std = @import("std");

pub fn build(b: *std.build.Builder) void {
    // Standard target options allows the person running `zig build` to choose
    // what target to build for. Here we do not override the defaults, which
    // means any target is allowed, and the default is native. Other options
    // for restricting supported target set are available.
    const target = b.standardTargetOptions(.{});

    // Standard release options allow the person running `zig build` to select
    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
    const mode = b.standardReleaseOptions();

    const exe = b.addExecutable("aoc21", "src/main.zig");
    exe.setTarget(target);
    exe.setBuildMode(mode);
    exe.install();

    const run_cmd = exe.run();
    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);

    const bench_exe = b.addExecutable("aoc21bench", "src/bench.zig");
    bench_exe.setTarget(target);
    bench_exe.setBuildMode(std.builtin.Mode.ReleaseFast);
    const bench_install = b.addInstallArtifact(bench_exe);

    const run_bench = bench_exe.run();
    run_bench.step.dependOn(&bench_install.step);
    if (b.args) |args| {
        run_bench.addArgs(args);
    }

    const bench_step = b.step("bench", "Benchmark the code");
    bench_step.dependOn(&run_bench.step);
}