allow for non root options

Author: gabydd

src/build/ModuleDeps.zig

@@ -93,6 +93,14 @@ pub fn add(
     const optimize = module.optimize.?;
     const resolved_target = target.result;
 
+    if (module.import_table.get("options") == null) {
+        module.addAnonymousImport("options", .{
+            .root_source_file = b.path("src/noop.zig"),
+            .target = target,
+            .optimize = optimize,
+        });
+    }
+
     // We maintain a list of our static libraries and return it so that
     // we can build a single fat static library for the final app.
     var static_libs = LazyPathList.init(b.allocator);

src/build/SharedDeps.zig

@@ -91,6 +91,13 @@ pub fn add(
     // correct to always match our step.
     const target = step.root_module.resolved_target.?;
     const optimize = step.root_module.optimize.?;
+    if (step.root_module.import_table.get("options") == null) {
+        step.root_module.addAnonymousImport("options", .{
+            .root_source_file = b.path("src/noop.zig"),
+            .target = target,
+            .optimize = optimize,
+        });
+    }
 
     // We maintain a list of our static libraries and return it so that
     // we can build a single fat static library for the final app.

src/noop.zig

@@ -10,7 +10,7 @@ const build_config = @import("build_config.zig");
 const root = @import("root");
 
 /// Stdlib-wide options that can be overridden by the root file.
-pub const options: type = if (@hasDecl(root, "ghostty_options")) root.ghostty_options else Options;
+pub const options: type = if (@hasDecl(root, "ghostty_options")) root.ghostty_options else if (@hasDecl(@import("options"), "ghostty_options")) @import("options").ghostty_options else Options;
 const Options = struct {
     pub const Renderer = switch (build_config.renderer) {
         .metal => Metal,