diff --git a/cmake/PackageBundle.cmake b/cmake/PackageBundle.cmake
new file mode 100644
--- /dev/null
+++ b/cmake/PackageBundle.cmake
@@ -0,0 +1,24 @@
+string(TIMESTAMP CURRENT_YEAR "%Y")
+
+set(CPACK_BUNDLE_NAME "OpenTTD")
+set(CPACK_BUNDLE_ICON "${CMAKE_SOURCE_DIR}/os/macosx/openttd.icns")
+set(CPACK_BUNDLE_PLIST "${CMAKE_CURRENT_BINARY_DIR}/Info.plist")
+set(CPACK_BUNDLE_STARTUP_COMMAND "${CMAKE_SOURCE_DIR}/os/macosx/launch.sh")
+set(CPACK_DMG_BACKGROUND_IMAGE "${CMAKE_SOURCE_DIR}/os/macosx/splash.png")
+
+# Create a temporary Info.plist.in, where we will fill in the version via
+# CPackProperties.cmake.in. This because at this point in time the version
+# is not yet known.
+configure_file("${CMAKE_SOURCE_DIR}/os/macosx/Info.plist.in" "${CMAKE_CURRENT_BINARY_DIR}/Info.plist.in")
+set(CPACK_BUNDLE_PLIST_SOURCE "${CMAKE_CURRENT_BINARY_DIR}/Info.plist.in")
+
+# Delay fixup_bundle() till the install step; this makes sure all executables
+# exists and it can do its job.
+install(
+    CODE
+    "
+        include(BundleUtilities)
+        fixup_bundle(\"\${CMAKE_INSTALL_PREFIX}/openttd\"  \"\" \"\")
+    "
+    DESTINATION .
+    COMPONENT Runtime)