build.zig

const std = @import("std");

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

    // Main module - exports everything
    _ = b.addModule("poseidon", .{
        .root_source_file = b.path("src/root.zig"),
        .target = target,
        .optimize = optimize,
    });

    const lib = b.addStaticLibrary(.{
        .name = "zig-poseidon",
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });

    b.installArtifact(lib);

    const lint_cmd = b.addSystemCommand(&.{ "zig", "fmt", "--check", "src" });
    const lint_step = b.step("lint", "Run zig fmt --check on source files");
    lint_step.dependOn(&lint_cmd.step);

    const main_tests = b.addTest(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });

    const run_main_tests = b.addRunArtifact(main_tests);
    run_main_tests.has_side_effects = true;

    const test_step = b.step("test", "Run library tests");
    test_step.dependOn(&run_main_tests.step);
}