updated build system

scripts/make_common.sh

@@ -23,6 +23,7 @@ cmake "${PROJECT_SOURCE_DIR}" \
   -DPROJECT_COMPANY_NAME="${PROJECT_COMPANY_NAME}" \
   -DPROJECT_COPYRIGHT="${PROJECT_COPYRIGHT}" \
   -DPROJECT_DESC="${PROJECT_DESC}" \
+  -DPROJECT_INTERFACE=1 \
   -DPROJECT_URL="${PROJECT_URL}" \
   ${PROJECT_CMAKE_OPTS} || exit 1