diff --git a/CMakeLists.txt b/CMakeLists.txt
index ea7e2aa..9ed8094 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,16 +125,21 @@ configure_file (
   "${concordia_SOURCE_DIR}/concordia/common/config.hpp.in"
   "${concordia_SOURCE_DIR}/concordia/common/config.hpp"
   )
+message(STATUS "Configured common/config.hpp")
 
 configure_file (
   "${concordia_SOURCE_DIR}/tests/resources/concordia-config/concordia.cfg.in"
   "${concordia_SOURCE_DIR}/tests/resources/concordia-config/concordia.cfg"
   )
+message(STATUS "Configured tests/.../concordia.cfg")
 
-configure_file (
-  "${concordia_SOURCE_DIR}/prod/resources/concordia-config/concordia.cfg.in"
-  "${concordia_SOURCE_DIR}/prod/resources/concordia-config/concordia.cfg"
-  )
+if (EXISTS "${concordia_SOURCE_DIR}/prod/resources/concordia-config/concordia.cfg.in")
+    configure_file (
+      "${concordia_SOURCE_DIR}/prod/resources/concordia-config/concordia.cfg.in"
+      "${concordia_SOURCE_DIR}/prod/resources/concordia-config/concordia.cfg"
+      )
+    message(STATUS "Configured prod/.../concordia.cfg")
+endif()
 
 # ================================================
 # Concordia: sub-projects