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(.{});

    // Dependencies.
    const dep_opts = .{ .target = target, .optimize = optimize };
    _ = dep_opts;

    _ = b.addModule("struct-env", .{
        .root_source_file = b.path("src/lib.zig"),
        .imports = &.{},
    });

    // const lib = b.addStaticLibrary(.{
    //     .name = "struct-env",
    //     // 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 = .{ .path = "src/main.zig" },
    //     .target = target,
    //     .optimize = optimize,
    //     .dependencies = &.{
    //         .{ .name = "getty", .module = getty_module },
    //     },
    // });

    // // This declares intent for the library to be installed into the standard
    // // location when the user invokes the "install" step (the default step when
    // // running `zig build`).
    // b.installArtifact(lib);

    // Creates a step for unit testing. This only builds the test executable
    // but does not run it.
    const lib_tests = b.addTest(.{
        .root_source_file = b.path("src/lib.zig"),
        .target = target,
        .optimize = optimize,
    });

    const run_lib_tests = b.addRunArtifact(lib_tests);

    // This creates a build step. It will be visible in the `zig build --help` menu,
    // and can be selected like this: `zig build test`
    // This will evaluate the `test` step rather than the default, which is "install".
    const test_step = b.step("test", "Run library tests");
    test_step.dependOn(&run_lib_tests.step);
}