diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccd5968..394257b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,8 @@ project(
     LANGUAGES CXX
 )
 
+include(cmake/Variables.cmake)
+
 if(FEATURE_TESTS)
     enable_testing()
     find_package(Catch2 REQUIRED)
@@ -17,8 +19,3 @@ endif()
 
 add_subdirectory(library)
 add_subdirectory(app)
-
-set(CPACK_PACKAGE_FILE_NAME
-    "${CMAKE_PROJECT_NAME}-${CMAKE_PROJECT_VERSION}-${CMAKE_SYSTEM_NAME}-${CMAKE_BUILD_TYPE}-${CMAKE_CXX_COMPILER_ID}-${CMAKE_CXX_COMPILER_VERSION}"
-)
-include(CPack)
diff --git a/cmake/Variables.cmake b/cmake/Variables.cmake
new file mode 100644
index 0000000..b8356b0
--- /dev/null
+++ b/cmake/Variables.cmake
@@ -0,0 +1,5 @@
+# ---- Developer mode ----
+
+if(PROJECT_IS_TOP_LEVEL)
+    option(BUILD_SHARED_LIBS "Build shared libs." OFF)
+endif()