--- collada2gltf-20140924.orig/CMakeLists.txt
+++ collada2gltf-20140924/CMakeLists.txt
@@ -61,10 +61,7 @@ if (USE_OPEN3DGC)
     add_definitions( -DUSE_OPEN3DGC )
     include_directories(${COLLADA2GLTF_SOURCE_DIR}/extensions/o3dgc-compression)
 
-    include_directories(${COLLADA2GLTF_SOURCE_DIR}/dependencies/o3dgc/src)
-    include_directories(${COLLADA2GLTF_SOURCE_DIR}/dependencies/o3dgc/src/o3dgc_common_lib/inc)
-    include_directories(${COLLADA2GLTF_SOURCE_DIR}/dependencies/o3dgc/src/o3dgc_encode_lib/inc)
-    include_directories(${COLLADA2GLTF_SOURCE_DIR}/dependencies/o3dgc/src/o3dgc_decode_lib/inc)
+    include_directories(/usr/include/o3dgc)
 endif()
 
 find_package(PNG)
@@ -84,10 +81,6 @@ if (WIN32)
     add_definitions(-EHsc)
 endif()
 
-if (USE_OPEN3DGC)
-    add_subdirectory(dependencies/o3dgc/src)
-endif()
-
 set(GLTF_SOURCES
     COLLADA2GLTFWriter.h
     COLLADA2GLTFWriter.cpp