diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf7a3b0..3514f34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,19 +29,24 @@ endif()
 
 add_subdirectory(softfloat)
 
-# library files
-FILE(GLOB GEN_SOURCES
-    ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp
-	${CMAKE_CURRENT_SOURCE_DIR}/src-gen/vm/interp/vm_*.cpp
-)
-
 set(LIB_SOURCES 
     src/iss/plugin/instruction_count.cpp
 	src/iss/arch/tgc_c.cpp
 	src/vm/interp/vm_tgc_c.cpp
 	src/vm/fp_functions.cpp
-    ${GEN_SOURCES}
 )
+
+# library files
+if(TARGET ${CORE_NAME}_cpp)
+    list(APPEND LIB_SOURCES ${${CORE_NAME}_OUTPUT_FILES})
+else()
+    FILE(GLOB GEN_SOURCES
+        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/vm/interp/vm_*.cpp
+    )
+    list(APPEND LIB_SOURCES ${GEN_SOURCES})
+endif()
+
 if(TARGET RapidJSON OR TARGET RapidJSON::RapidJSON)
     list(APPEND LIB_SOURCES src/iss/plugin/cycle_estimate.cpp src/iss/plugin/pctrace.cpp)
 endif()