diff --git a/CMakeLists.txt b/CMakeLists.txt
index 42d07f6da0..b40d7d8a86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -196,6 +196,8 @@ include(check_headers)
 check_headers(check-headers scylla-main
   GLOB ${CMAKE_CURRENT_SOURCE_DIR}/*.hh)
 
+add_custom_target(compiler-training)
+
 add_subdirectory(api)
 add_subdirectory(alternator)
 add_subdirectory(db)
@@ -280,4 +282,9 @@ target_include_directories(scylla PRIVATE
     "${CMAKE_CURRENT_SOURCE_DIR}"
     "${scylla_gen_build_dir}")
 
+add_custom_target(maybe-scylla
+  DEPENDS $<$<CONFIG:Dev>:$<TARGET_FILE:scylla>>)
+add_dependencies(compiler-training
+  maybe-scylla)
+
 add_subdirectory(dist)
diff --git a/service/CMakeLists.txt b/service/CMakeLists.txt
index de4076df72..54715c1e47 100644
--- a/service/CMakeLists.txt
+++ b/service/CMakeLists.txt
@@ -50,3 +50,16 @@ target_link_libraries(service
 
 check_headers(check-headers service
   GLOB_RECURSE ${CMAKE_CURRENT_SOURCE_DIR}/*.hh)
+
+add_library(storage_proxy.o
+  OBJECT
+    $<$<CONFIG:RelWithDebInfo,Debug>:storage_proxy.cc>)
+target_include_directories(storage_proxy.o
+  PRIVATE
+    ${CMAKE_SOURCE_DIR})
+target_link_libraries(storage_proxy.o
+  Seastar::seastar
+  xxHash::xxhash
+  idl)
+add_dependencies(compiler-training
+  storage_proxy.o)