diff --git a/CMakeLists.txt b/CMakeLists.txt
index 802e512c..4bdd8cfe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,7 @@ option(SO${GUI}_BUILD_SHARED_LIBS "Build shared libraries" ON)
 option(SO${GUI}_USE_QT5 "Prefer Qt5 over Qt4 if available" ON)
 option(WITH_STATIC_DEFAULTS "Enable statically linked in default materials" ON)
 option(HAVE_SPACENAV_SUPPORT "Enable Space Navigator support" ON)
+option(SO${GUI}_USE_CPACK "If enabled the cpack subrepo is mandatory" OFF)
 option(SO${GUI}_BUILD_DOCUMENTATION "Build and install API documentation (requires Doxygen)." OFF)
 cmake_dependent_option(SO${GUI}_BUILD_INTERNAL_DOCUMENTATION "Document internal code not part of the API." OFF "SO${GUI}_BUILD_DOCUMENTATION" OFF)
 cmake_dependent_option(SO${GUI}_BUILD_DOC_MAN "Build So${Gui} man pages." OFF "SO${GUI}_BUILD_DOCUMENTATION" OFF)
@@ -393,4 +394,6 @@ add_subdirectory(test-code)
 
 ############################################################################
 # New CPACK section, please see the README file inside cpack.d directory.
-add_subdirectory(cpack.d)
+if (SO${GUI}_USE_CPACK)
+  add_subdirectory(cpack.d)
+endif()