const std = @import("std");

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

    const exe = b.addExecutable(.{
        .name = "lines",
        .root_module = b.createModule(.{
            .root_source_file = b.path("lines.zig"),
            .target = target,
            .optimize = optimize,
        }),
    });
    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args| run_cmd.addArgs(args);
    b.step("run", "Run lines").dependOn(&run_cmd.step);

    // req: verification/001
    const smoke = b.addSystemCommand(&.{ "sh", "smoke.sh", "zig-out/bin/lines" });
    smoke.setCwd(b.path("."));
    smoke.step.dependOn(b.getInstallStep());
    b.step("test", "Run POSIX smoke test").dependOn(&smoke.step);

    // req: performance/002
    // req: performance/003
    // req: verification/003
    const perf = b.addSystemCommand(&.{ "sh", "perf.sh", "zig-out/bin/lines" });
    perf.setCwd(b.path("."));
    perf.step.dependOn(b.getInstallStep());
    b.step("perf", "Run large-file elapsed-time and RSS proof").dependOn(&perf.step);
}