diff --git a/CMakeModules/OsgEarthMacroUtils.cmake b/CMakeModules/OsgEarthMacroUtils.cmake
index ccf209f6a..e961531f8 100644
--- a/CMakeModules/OsgEarthMacroUtils.cmake
+++ b/CMakeModules/OsgEarthMacroUtils.cmake
@@ -94,28 +94,28 @@ MACRO(LINK_WITH_VARIABLES TRGTNAME)
     FOREACH(varname ${ARGN})
         string(REPLACE "_LIBRARY" "_LIBRARIES" lwv_libraries "${varname}")
         if(DEFINED ${lwv_libraries})
-            TARGET_LINK_LIBRARIES(${TRGTNAME} ${${lwv_libraries}})
+            TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC ${${lwv_libraries}})
             continue()
         endif()
         IF(${varname}_DEBUG)
             IF(${varname}_RELEASE)
-                TARGET_LINK_LIBRARIES(${TRGTNAME} optimized "${${varname}_RELEASE}" debug "${${varname}_DEBUG}")
+                TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC optimized "${${varname}_RELEASE}" debug "${${varname}_DEBUG}")
             ELSE(${varname}_RELEASE)
-                TARGET_LINK_LIBRARIES(${TRGTNAME} optimized "${${varname}}" debug "${${varname}_DEBUG}")
+                TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC optimized "${${varname}}" debug "${${varname}_DEBUG}")
             ENDIF(${varname}_RELEASE)
         ELSE(${varname}_DEBUG)
-            TARGET_LINK_LIBRARIES(${TRGTNAME} ${${varname}} )
+            TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC ${${varname}} )
         ENDIF(${varname}_DEBUG)
     ENDFOREACH(varname)
 ENDMACRO(LINK_WITH_VARIABLES TRGTNAME)
 
 MACRO(LINK_INTERNAL TRGTNAME)
-    TARGET_LINK_LIBRARIES(${TRGTNAME} ${ARGN})
+    TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC ${ARGN})
 ENDMACRO(LINK_INTERNAL TRGTNAME)
 
 MACRO(LINK_EXTERNAL TRGTNAME)
     FOREACH(LINKLIB ${ARGN})
-        TARGET_LINK_LIBRARIES(${TRGTNAME} "${LINKLIB}" )
+        TARGET_LINK_LIBRARIES(${TRGTNAME} PUBLIC "${LINKLIB}" )
     ENDFOREACH(LINKLIB)
 ENDMACRO(LINK_EXTERNAL TRGTNAME)
 
@@ -179,7 +179,7 @@ MACRO(SETUP_LINK_LIBRARIES)
     ENDIF(TARGET_LIBRARIES_VARS)
 
     FOREACH(LINKLIB ${TARGET_EXTERNAL_LIBRARIES})
-            TARGET_LINK_LIBRARIES(${TARGET_TARGETNAME} ${LINKLIB})
+            TARGET_LINK_LIBRARIES(${TARGET_TARGETNAME} PUBLIC ${LINKLIB})
     ENDFOREACH(LINKLIB)
 ENDMACRO(SETUP_LINK_LIBRARIES)
 
diff --git a/src/applications/osgearth_viewerIOS/CMakeLists.txt b/src/applications/osgearth_viewerIOS/CMakeLists.txt
index e66fd25c7..9db76784e 100644
--- a/src/applications/osgearth_viewerIOS/CMakeLists.txt
+++ b/src/applications/osgearth_viewerIOS/CMakeLists.txt
@@ -1,7 +1,7 @@
 MACRO(LINK_OSG_STATIC_PLUGINS)
     FOREACH(LINKLIB ${OSG_STATIC_PLUGINS})
         SET(OSG_PLUGINS_PATH "${OSG_DIR}/lib")
-        TARGET_LINK_LIBRARIES(${TARGET_TARGETNAME} optimized "${OSG_PLUGINS_PATH}/lib${LINKLIB}.a" debug "${OSG_PLUGINS_PATH}/lib${LINKLIB}${CMAKE_DEBUG_POSTFIX}.a")
+        TARGET_LINK_LIBRARIES(${TARGET_TARGETNAME} PUBLIC optimized "${OSG_PLUGINS_PATH}/lib${LINKLIB}.a" debug "${OSG_PLUGINS_PATH}/lib${LINKLIB}${CMAKE_DEBUG_POSTFIX}.a")
     ENDFOREACH(LINKLIB)
 ENDMACRO(LINK_OSG_STATIC_PLUGINS)
 
diff --git a/src/osgEarth/CMakeLists.txt b/src/osgEarth/CMakeLists.txt
index e320eb340..cd711a927 100644
--- a/src/osgEarth/CMakeLists.txt
+++ b/src/osgEarth/CMakeLists.txt
@@ -943,7 +943,7 @@ IF(Protobuf_FOUND AND Protobuf_PROTOC_EXECUTABLE)
     ADD_DEFINITIONS(-DPROTOBUF_USE_DLLS)
   ENDIF()
 
-  LINK_WITH_VARIABLES(${LIB_NAME} Protobuf_LIBRARIES)
+  TARGET_LINK_LIBRARIES(${LIB_NAME} PUBLIC protobuf::libprotobuf)
 ENDIF()
 
 # ESRI FileGeodatabase?