test for recursive dll dir search

cmake/scripts/FixupBundlePostBuild.cmake

@@ -10,4 +10,4 @@
 # 
 
 include(BundleUtilities)
-fixup_bundle("${BUNDLE_EXECUTABLE}" "" "")
+fixup_bundle("${BUNDLE_EXECUTABLE}" "" "${LIB_SEARCH_DIRS}")

interface/CMakeLists.txt

@@ -240,11 +240,15 @@ else (APPLE)
 endif (APPLE)
 
 if (WIN32)
+  list(APPEND LIB_SEARCH_DIRS ${EXTERNALS_BINARY_DIR})
   # add a post-build command to copy DLLs beside the interface executable
   add_custom_command(
     TARGET ${TARGET_NAME}
     POST_BUILD
-    COMMAND ${CMAKE_COMMAND} -DBUNDLE_EXECUTABLE=$<TARGET_FILE:${TARGET_NAME}> -P ${HIFI_CMAKE_DIR}/scripts/FixupBundlePostBuild.cmake
+    COMMAND ${CMAKE_COMMAND} 
+      -DBUNDLE_EXECUTABLE=$<TARGET_FILE:${TARGET_NAME}> 
+      -DLIB_SEARCH_DIRS=${LIB_SEARCH_DIRS} 
+      -P ${HIFI_CMAKE_DIR}/scripts/FixupBundlePostBuild.cmake
   )
 endif ()