diff --git a/indra/cmake/Havok.cmake b/indra/cmake/Havok.cmake
index d3df85fd39d9304fc0821b3ec85fb1af1cf32642..7e65efda681ad0b657daf48eb87d28db934017ea 100644
--- a/indra/cmake/Havok.cmake
+++ b/indra/cmake/Havok.cmake
@@ -4,8 +4,18 @@ use_prebuilt_binary(havok-source)
 set(Havok_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/havok/Source)
 list(APPEND Havok_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/havok/Demo)
 
-set(HAVOK_DEBUG_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/debug/havok)
+set(HAVOK_DEBUG_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/debug/havok-fulldebug)
 set(HAVOK_RELEASE_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/release/havok)
+if (LL_DEBUG_HAVOK)
+    if (WIN32)
+        set(HAVOK_RELWITHDEBINFO_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/debug/havok-hybrid)
+    else (WIN32)
+        set(HAVOK_RELWITHDEBINFO_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/debug/havok-fulldebug)
+    endif(WIN32)
+else (LL_DEBUG_HAVOK)
+    set(HAVOK_RELWITHDEBINFO_LIBRARY_PATH ${LIBS_PREBUILT_DIR}/lib/debug/havok)
+endif (LL_DEBUG_HAVOK)
+
 
 set(HAVOK_LIBS
     hkBase
@@ -32,36 +42,41 @@ set(HAVOK_LIBS
 
 unset(HK_DEBUG_LIBRARIES)
 unset(HK_RELEASE_LIBRARIES)
-unset(HK_LIBRARIES)
+unset(HK_RELWITHDEBINFO_LIBRARIES)
 
 foreach(HAVOK_LIB ${HAVOK_LIBS})
-    find_library(HAVOK_DEBUG_LIB_${HAVOK_LIB}   ${HAVOK_LIB} PATHS ${HAVOK_DEBUG_LIBRARY_PATH})
-    find_library(HAVOK_RELEASE_LIB_${HAVOK_LIB} ${HAVOK_LIB} PATHS ${HAVOK_RELEASE_LIBRARY_PATH})
-    
-    if(LINUX)
-    set(cmd "mkdir")
-    set(debug_dir "${HAVOK_DEBUG_LIBRARY_PATH}/${HAVOK_LIB}")
-    set(release_dir "${HAVOK_RELEASE_LIBRARY_PATH}/${HAVOK_LIB}")
-    exec_program( ${cmd} ${HAVOK_DEBUG_LIBRARY_PATH} ARGS ${debug_dir} OUTPUT_VARIABLE rv)
-    exec_program( ${cmd} ${HAVOK_RELEASE_LIBRARY_PATH} ARGS ${release_dir} OUTPUT_VARIABLE rv)
+        find_library(HAVOK_DEBUG_LIB_${HAVOK_LIB}   ${HAVOK_LIB} PATHS ${HAVOK_DEBUG_LIBRARY_PATH})
+        find_library(HAVOK_RELEASE_LIB_${HAVOK_LIB} ${HAVOK_LIB} PATHS ${HAVOK_RELEASE_LIBRARY_PATH})
+        find_library(HAVOK_RELWITHDEBINFO_LIB_${HAVOK_LIB} ${HAVOK_LIB} PATHS ${HAVOK_RELWITHDEBINFO_LIBRARY_PATH})
+        
+        if(LINUX)
+            set(cmd "mkdir")
+            set(debug_dir "${HAVOK_DEBUG_LIBRARY_PATH}/${HAVOK_LIB}")
+            set(release_dir "${HAVOK_RELEASE_LIBRARY_PATH}/${HAVOK_LIB}")
+            set(relwithdebinfo_dir "${HAVOK_RELWITHDEBINFO_LIBRARY_PATH}/${HAVOK_LIB}")
+
+            exec_program( ${cmd} ${HAVOK_DEBUG_LIBRARY_PATH} ARGS ${debug_dir} OUTPUT_VARIABLE rv)
+            exec_program( ${cmd} ${HAVOK_RELEASE_LIBRARY_PATH} ARGS ${release_dir} OUTPUT_VARIABLE rv)
+            exec_program( ${cmd} ${HAVOK_RELWITHDEBINFO_LIBRARY_PATH} ARGS ${relwithdebinfo_dir} OUTPUT_VARIABLE rv)
 
-    set(cmd "ar")
-    set(arg " -xv")
-    set(arg "${arg} ../lib${HAVOK_LIB}.a")
-    exec_program( ${cmd} ${debug_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
-    exec_program( ${cmd} ${release_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
+            set(cmd "ar")
+            set(arg " -xv")
+            set(arg "${arg} ../lib${HAVOK_LIB}.a")
+            exec_program( ${cmd} ${debug_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
+            exec_program( ${cmd} ${release_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
+            exec_program( ${cmd} ${relwithdebinfo_dir} ARGS ${arg} OUTPUT_VARIABLE rv)
 
-    file(GLOB extracted_debug "${debug_dir}/*.o")
-    file(GLOB extracted_release "${release_dir}/*.o")
-    list(APPEND HK_DEBUG_LIBRARIES ${extracted_debug})
-    list(APPEND HK_RELEASE_LIBRARIES ${extracted_release})
-    list(APPEND HK_LIBRARIES debug      ${extracted_debug}
-                 optimized  ${extracted_release})
-    else(LINUX)
-        list(APPEND HK_DEBUG_LIBRARIES   ${HAVOK_DEBUG_LIB_${HAVOK_LIB}})
-        list(APPEND HK_RELEASE_LIBRARIES ${HAVOK_RELEASE_LIB_${HAVOK_LIB}})
-        list(APPEND HK_LIBRARIES debug     ${HAVOK_DEBUG_LIB_${HAVOK_LIB}}
-                                 optimized ${HAVOK_RELEASE_LIB_${HAVOK_LIB}})
-    endif (LINUX)
+            file(GLOB extracted_debug "${debug_dir}/*.o")
+            file(GLOB extracted_release "${release_dir}/*.o")
+            file(GLOB extracted_relwithdebinfo "${release_dir}/*.o")
+            list(APPEND HK_DEBUG_LIBRARIES ${extracted_debug})
+            list(APPEND HK_RELEASE_LIBRARIES ${extracted_release})
+            list(APPEND HK_RELWITHDEBINFO_LIBRARIES ${extracted_relwithdebinfo})
+        else(LINUX)
+        # Win32
+            list(APPEND HK_DEBUG_LIBRARIES   ${HAVOK_DEBUG_LIB_${HAVOK_LIB}})
+            list(APPEND HK_RELEASE_LIBRARIES ${HAVOK_RELEASE_LIB_${HAVOK_LIB}})
+            list(APPEND HK_RELWITHDEBINFO_LIBRARIES ${HAVOK_RELWITHDEBINFO_LIB_${HAVOK_LIB}})
+        endif (LINUX)
 endforeach(HAVOK_LIB)