Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -79,7 +79,7 @@ if (BUILD_SHARED_LIBS)
   elseif(APPLE)
     target_link_libraries(chdr PRIVATE -Wl,-dead_strip -Wl,-exported_symbol,_chd_*)
   else()
-    target_link_libraries(chdr PRIVATE -Wl,--version-script ${CMAKE_CURRENT_SOURCE_DIR}/src/link.T -Wl,--no-undefined)
+    target_link_libraries(chdr PRIVATE -Wl,--version-script ${CMAKE_CURRENT_SOURCE_DIR}/src/link.T)
   endif()
 
   set_target_properties(chdr PROPERTIES C_VISIBILITY_PRESET hidden)