Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -130,7 +130,7 @@ if( APPLE OR ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   add_definitions("-Dfopen64=fopen -Dfseeko64=fseeko -Dfseek64=fseek -Dftell64=ftell -Dftello64=ftello")
 endif()
 
-set(COLLADA_DOM_INCLUDE_INSTALL_DIR "include/collada-dom${COLLADA_DOM_SOVERSION}")
+set(COLLADA_DOM_INCLUDE_INSTALL_DIR "include/collada-dom")
 
 set(COLLADA_DOM_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/dom/include)
 set(COLLADA_DOM_LINK_DIRS "")
@@ -175,11 +175,7 @@ foreach(ldir ${Boost_LIBRARY_DIRS})
   set(COLLADA_DOM_BOOST_LIB_DIRS "${COLLADA_DOM_BOOST_LIB_DIRS} -L${ldir}")
 endforeach()
 
-if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
-  set(EXTRA_COMPILE_FLAGS "${COLLADA_DOM_EXTERNAL_FLAGS} -DCOLLADA_DOM_NAMESPACE -fPIC")
-else()
-  set(EXTRA_COMPILE_FLAGS "${COLLADA_DOM_EXTERNAL_FLAGS} -DCOLLADA_DOM_NAMESPACE")
-endif()
+set(EXTRA_COMPILE_FLAGS "${COLLADA_DOM_EXTERNAL_FLAGS} -DCOLLADA_DOM_NAMESPACE -fPIC")
 
 find_package(ZLIB)
 if( NOT ZLIB_FOUND )
