diff --git a/dev-util/cmake/files/cmake-2.6.3-darwin-bundle.patch b/dev-util/cmake/files/cmake-2.6.3-darwin-bundle.patch
new file mode 100644
--- /dev/null
+++ b/dev-util/cmake/files/cmake-2.6.3-darwin-bundle.patch
@@ -0,0 +1,23 @@
+Don't use .so for modules on darwin/macos. Use .bundle instead.
+Patch by Heiko Przybyl
+
+--- Modules/Platform/Darwin.cmake
++++ Modules/Platform/Darwin.cmake
+@@ -23,7 +23,7 @@
+ SET(CMAKE_SHARED_LIBRARY_PREFIX "lib")
+ SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
+ SET(CMAKE_SHARED_MODULE_PREFIX "lib")
+-SET(CMAKE_SHARED_MODULE_SUFFIX ".so")
++SET(CMAKE_SHARED_MODULE_SUFFIX ".bundle")
+ SET(CMAKE_MODULE_EXISTS 1)
+ SET(CMAKE_DL_LIBS "")
+ 
+@@ -45,7 +45,7 @@
+ SET(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names")
+ SET(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
+ SET(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
+-SET(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
++SET(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".bundle" ".a")
+ 
+ # hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
+ # (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache