build.zig

const std = @import("std");

// Although this function looks imperative, note that its job is to
// declaratively construct a build graph that will be executed by an external
// runner.
pub fn build(b: *std.Build) 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 optimization options allow the person running `zig build` to select
    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
    // set a preferred release mode, allowing the user to decide how to optimize.
    const optimize = b.standardOptimizeOption(.{});

    // This creates a "module", which represents a collection of source files alongside
    // some compilation options, such as optimization mode and linked system libraries.
    // Every executable or library we compile will be based on one or more modules.
    //const lib_mod = b.createModule(.{
    //    // `root_source_file` is the Zig "entry point" of the module. If a module
    //    // only contains e.g. external object files, you can make this `null`.
    //    // In this case the main source file is merely a path, however, in more
    //    // complicated build scripts, this could be a generated file.
    //    .root_source_file = b.path("src/root.zig"),
    //    .target = target,
    //    .optimize = optimize,
    //});

    // Expose jolt as a public module.
    const jolt_module = b.addModule("jolt", .{
        .root_source_file = b.path("src/jolt.zig"),
        .target = target,
        .optimize = optimize,
    });

    // Creates a step for unit testing. This only builds the test executable
    // but does not run it.
    const lib_unit_tests = b.addTest(.{
        .root_module = jolt_module,
    });

    const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);

    // Similar to creating the run step earlier, this exposes a `test` step to
    // the `zig build --help` menu, providing a way for the user to request
    // running the unit tests.
    const test_step = b.step("test", "Run unit tests");
    test_step.dependOn(&run_lib_unit_tests.step);
}