diff -up OpenSubdiv-3_4_3/opensubdiv/CMakeLists.txt.dlopen OpenSubdiv-3_4_3/opensubdiv/CMakeLists.txt
--- OpenSubdiv-3_4_3/opensubdiv/CMakeLists.txt.dlopen	2020-09-13 10:19:54.656579747 +0200
+++ OpenSubdiv-3_4_3/opensubdiv/CMakeLists.txt	2020-09-13 11:17:38.342004515 +0200
@@ -160,7 +160,7 @@ if (NOT NO_LIB)
         set_target_properties(osd_static_gpu PROPERTIES OUTPUT_NAME osdGPU CLEAN_DIRECT_OUTPUT 1)
 
         target_link_libraries(osd_static_gpu
-            ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES}
+            ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES} ${CMAKE_DL_LIBS}
         )
 
         install( TARGETS osd_static_gpu DESTINATION "${CMAKE_LIBDIR_BASE}" )
@@ -232,7 +232,7 @@ if (NOT NO_LIB)
 
             target_link_libraries(osd_dynamic_gpu
                 osd_dynamic_cpu
-                ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES}
+                ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES} ${CMAKE_DL_LIBS}
             )
 
             install( TARGETS osd_dynamic_gpu LIBRARY DESTINATION "${CMAKE_LIBDIR_BASE}" )
@@ -294,7 +294,7 @@ if (NOT NO_LIB)
         )
 
         target_link_libraries(osd_static_framework
-            ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES}
+            ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES} ${CMAKE_DL_LIBS}
         )
 
         install( TARGETS osd_static_framework
@@ -329,7 +329,7 @@ if (NOT NO_LIB)
             )
 
             target_link_libraries(osd_dynamic_framework
-                ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES}
+                ${PLATFORM_CPU_LIBRARIES} ${PLATFORM_GPU_LIBRARIES} ${CMAKE_DL_LIBS}
             )
 
             install( TARGETS osd_dynamic_framework