diff --git a/.circleci/config.yml b/.circleci/config.yml
index 225c3de..9fbc350 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,50 @@
 version: 2.1
 
 jobs:
+  build-libglez:
+    docker:
+      - image: ubuntu:22.04 # LTS only
+    environment:
+      DEBIAN_FRONTEND: noninteractive
+    steps:
+      - git clone -b v1.0.0 https://github.com/oneechanhax/libglez libglez
+      - run:
+          name: "Install development packages"
+          command: "apt update && apt install -y build-essential cmake libz-dev libpng-dev libglew-dev libgl-dev libx11-dev libxext-dev libxfixes-dev libfreetype-dev libsdl2-dev"
+      - run:
+          name: "Make build directory"
+          command: "mkdir libglez/build"
+      - run:
+          name: "CMake build files"
+          command: "cd libglez/build && cmake -DCMAKE_BUILD_TYPE=Release ../"
+      - run:
+          name: "Build libglez"
+          command: "cd libglez/build && make"
+      - run:
+          name: "Install libglez"
+          command: "cd libglez/build && make install"
+  build-libxoverlay:
+    docker:
+      - image: ubuntu:22.04 # LTS only
+    environment:
+      DEBIAN_FRONTEND: noninteractive
+    steps:
+      - git clone -b v1.0.0 https://github.com/oneechanhax/libxoverlay libxoverlay
+      - run:
+          name: "Install development packages"
+          command: "apt update && apt install -y build-essential cmake libglew-dev libx11-dev libxext-dev libxfixes-dev"
+      - run:
+          name: "Make build directory"
+          command: "mkdir libxoverlay/build"
+      - run:
+          name: "CMake build files"
+          command: "cd libxoverlay/build && cmake -DCMAKE_BUILD_TYPE=Release ../"
+      - run:
+          name: "Build libxoverlay"
+          command: "cd libxoverlay/build && make"
+      - run:
+          name: "Install libxoverlay"
+          command: "cd libxoverlay/build && make install"
   build-libpdraw:
     docker:
       - image: ubuntu:22.04 # LTS only
@@ -24,4 +68,6 @@ jobs:
 workflows:
   build-libpdraw-workflow:
     jobs:
+      - build-libglez
+      - build-libxoverlay
       - build-libpdraw
diff --git a/example-src/libxoverlay.so b/example-src/libxoverlay.so
new file mode 100755
index 0000000..1d7bcd9
Binary files /dev/null and b/example-src/libxoverlay.so differ
diff --git a/example-src/xoverlay.h b/example-src/xoverlay.h
new file mode 100644
index 0000000..365cf22
--- /dev/null
+++ b/example-src/xoverlay.h
@@ -0,0 +1,58 @@
+/*
+ * overlay.hpp
+ *
+ *  Created on: Nov 8, 2017
+ *      Author: nullifiedcat
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <X11/Xlib.h>
+#include <X11/XKBlib.h>
+
+struct xoverlay_library
+{
+    Display *display;
+    Window window;
+    Colormap colormap;
+    GC gc;
+    XGCValues gcvalues;
+    XFontStruct font;
+    int screen;
+
+    int width;
+    int height;
+
+    struct
+    {
+        int x;
+        int y;
+    } mouse;
+
+    char init;
+    char drawing;
+    char mapped;
+};
+
+extern struct xoverlay_library xoverlay_library;
+
+int xoverlay_init();
+
+void xoverlay_destroy();
+
+void xoverlay_show();
+
+void xoverlay_hide();
+
+void xoverlay_draw_begin();
+
+void xoverlay_draw_end();
+
+#ifdef __cplusplus
+}
+#endif