fixes build system and typo in wt_cache

CMakeLists.txt

@@ -131,7 +131,16 @@ project(tgc-sim)
 find_package(Boost COMPONENTS program_options thread REQUIRED)
 
 add_executable(${PROJECT_NAME} src/main.cpp)
-FILE(GLOB TGC_SOURCES  ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp) 
+if(TARGET ${CORE_NAME}_cpp)
+    list(APPEND TGC_SOURCES ${${CORE_NAME}_OUTPUT_FILES})
+else()
+    FILE(GLOB TGC_SOURCES
+        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/iss/arch/*.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/src-gen/vm/interp/vm_*.cpp
+    )
+    list(APPEND TGC_SOURCES ${GEN_SOURCES})
+endif()
+
 foreach(F IN LISTS TGC_SOURCES)
     string(REGEX REPLACE  ".*/([^/]*)\.cpp"  "\\1" CORE_NAME_LC ${F})
     string(TOUPPER ${CORE_NAME_LC} CORE_NAME)