Clean retained stroke extraction build

src/platform_legacy/legacy_platform_services.cpp

@@ -249,9 +249,11 @@ public:
 
     [[nodiscard]] std::string clipboard_text() override
     {
+#if defined(__IOS__) || defined(__OSX__)
         const auto family = pp::platform::current_platform_family();
         if (family == pp::platform::PlatformFamily::ios || family == pp::platform::PlatformFamily::macos)
             return active_apple_document_platform_services().clipboard_text();
+#endif
 #ifdef __ANDROID__
         return android_get_clipboard();
 #else
@@ -261,9 +263,11 @@ public:
 
     [[nodiscard]] bool set_clipboard_text(std::string_view text) override
     {
+#if defined(__IOS__) || defined(__OSX__)
         const auto family = pp::platform::current_platform_family();
         if (family == pp::platform::PlatformFamily::ios || family == pp::platform::PlatformFamily::macos)
             return active_apple_document_platform_services().set_clipboard_text(text);
+#endif
         const std::string value(text);
 #ifdef __ANDROID__
         return android_set_clipboard(value);
@@ -275,7 +279,11 @@ public:
 
     void set_cursor_visible(bool visible) override
     {
+#if defined(__IOS__) || defined(__OSX__)
         active_apple_document_platform_services().set_cursor_visible(visible);
+#else
+        (void)visible;
+#endif
     }
 
     void set_virtual_keyboard_visible(bool visible) override
@@ -450,7 +458,9 @@ public:
     {
         if (!pp::platform::platform_saves_native_ui_state(pp::platform::current_platform_family()))
             return;
+#if defined(__IOS__) || defined(__OSX__)
         active_apple_document_platform_services().save_ui_state();
+#endif
     }
 
     [[nodiscard]] bool enables_live_asset_reloading() override
@@ -629,12 +639,20 @@ public:
 
     void display_file(std::string_view path) override
     {
+#if defined(__IOS__) || defined(__OSX__)
         active_apple_document_platform_services().display_file(path);
+#else
+        (void)path;
+#endif
     }
 
     void share_file(std::string_view path) override
     {
+#if defined(__IOS__) || defined(__OSX__)
         active_apple_document_platform_services().share_file(path);
+#else
+        (void)path;
+#endif
     }
 
     void request_app_close() override