diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e34e76..2c2684e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1682,6 +1682,11 @@
         ${SUBZERO_DIR}/src/IceVariableSplitting.cpp
     )
 
+    # FIXME: Shouldn't depend on external source files directly.
+    list(APPEND SUBZERO_LIST
+        ${SOURCE_DIR}/Common/Memory.cpp
+    )
+
     if(ARCH STREQUAL "x86_64")
         list(APPEND SUBZERO_LIST
             ${SUBZERO_DIR}/src/IceTargetLoweringX86.cpp
@@ -1773,7 +1778,6 @@
     ${COMMON_INCLUDE_DIR}
 )
 
-
 ###########################################################
 # File Lists
 ###########################################################