--- iec61850/src/CMakeLists.txt	2024-02-18 01:00:33.415323000 -0500
+++ iec61850/src/CMakeLists.txt	2024-02-18 01:01:07.721231000 -0500
@@ -40,6 +40,7 @@
 # add build options
 option(BUILD_TESTS "Build tests" OFF)
 option(BUILD_LOCAL "Build using local copies of dependencies" OFF)
+option(BUILD_SYSTEM "Build using system dependencies" OFF)
 
 # add subdirectories with respective CMakeLists.txt files
 if(BUILD_LOCAL)
