1 files changed, 43 insertions, 0 deletions
diff --git a/examples/build-options/build.zig b/examples/build-options/build.zig
new file mode 100644
index 0000000..5412e8d
--- /dev/null
+++ b/examples/build-options/build.zig
@@ -0,0 +1,43 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    // Boolean flag: -Dverbose
+    const verbose = b.option(bool, "verbose", "Enable verbose logging") orelse false;
+
+    // Integer option: -Dport=<n>
+    const port = b.option(u16, "port", "TCP port to listen on") orelse 8080;
+
+    // Enum option: -Dbackend=<name>
+    const Backend = enum { memory, sqlite, postgres };
+    const backend = b.option(Backend, "backend", "Storage backend") orelse .memory;
+
+    // Hyphenated key option: -Dmax-conn=<n>  (tests USER_OPTION_REGEX with hyphens)
+    const max_conn = b.option(u32, "max-conn", "Maximum simultaneous connections") orelse 128;
+
+    const options = b.addOptions();
+    options.addOption(bool, "verbose", verbose);
+    options.addOption(u16, "port", port);
+    options.addOption(Backend, "backend", backend);
+    options.addOption(u32, "max_conn", max_conn);
+
+    const exe = b.addExecutable(.{
+        .name = "build-options-demo",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "build_options", .module = options.createModule() },
+            },
+        }),
+    });
+    b.installArtifact(exe);
+
+    const run_cmd = b.addRunArtifact(exe);
+    if (b.args) |args| run_cmd.addArgs(args);
+    const run_step = b.step("run", "Run the build-options demo");
+    run_step.dependOn(&run_cmd.step);
+}