$NetBSD$

--- CMakeLists.txt.orig	2019-12-31 14:38:46.000000000 +0000
+++ CMakeLists.txt
@@ -136,6 +136,9 @@ else (BUILD_MODULE)
   if (BUILD_SHARED_LIBS)
     set_target_properties(luv
       PROPERTIES VERSION ${LUV_VERSION} SOVERSION ${LUV_VERSION_MAJOR})
+    if(APPLE)
+      target_link_libraries(luv "-undefined dynamic_lookup")
+    endif()
   endif (BUILD_SHARED_LIBS)
 endif (BUILD_MODULE)