Set default C++ visibility to hidden

darbyjohnston · darbyjohnston · commit ffdc7aa31b35 · 2025-08-15T09:20:02.000-07:00
Signed-off-by: Darby Johnston &lt;darbyjohnston@yahoo.com&gt;
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -192,6 +192,8 @@ endif()
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# Explicitly export C++ symbols for shared libraries.
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 include(GenerateExportHeader)
 
 #------------------------------------------------------------------------------
