diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c52c1cfaf..0ed7e41be3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1583,11 +1583,16 @@ if(WITH_INF_ENGINE OR INF_ENGINE_TARGET)
   if(INF_ENGINE_TARGET)
     set(__msg "YES (${INF_ENGINE_RELEASE} / ${INF_ENGINE_VERSION})")
     get_target_property(_lib ${INF_ENGINE_TARGET} IMPORTED_LOCATION)
-    if(NOT _lib)
-      get_target_property(_lib_rel ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_RELEASE)
-      get_target_property(_lib_dbg ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_DEBUG)
-      set(_lib "${_lib_rel} / ${_lib_dbg}")
-    endif()
+    get_target_property(_lib_imp_rel ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_RELEASE)
+    get_target_property(_lib_imp_dbg ${INF_ENGINE_TARGET} IMPORTED_IMPLIB_DEBUG)
+    get_target_property(_lib_rel ${INF_ENGINE_TARGET} IMPORTED_LOCATION_RELEASE)
+    get_target_property(_lib_dbg ${INF_ENGINE_TARGET} IMPORTED_LOCATION_DEBUG)
+    ocv_build_features_string(_lib
+      IF _lib THEN "${_lib}"
+      IF _lib_imp_rel AND _lib_imp_dbg THEN "${_lib_imp_rel} / ${_lib_imp_dbg}"
+      IF _lib_rel AND _lib_dbg THEN "${_lib_rel} / ${_lib_dbg}"
+      ELSE "unknown"
+    )
     get_target_property(_inc ${INF_ENGINE_TARGET} INTERFACE_INCLUDE_DIRECTORIES)
     status("    Inference Engine:" "${__msg}")
     status("                libs:" "${_lib}")
diff --git a/cmake/OpenCVDetectTBB.cmake b/cmake/OpenCVDetectTBB.cmake
index 403b446116..38137f44f0 100644
--- a/cmake/OpenCVDetectTBB.cmake
+++ b/cmake/OpenCVDetectTBB.cmake
@@ -70,9 +70,13 @@ function(ocv_tbb_env_guess _found)
     add_library(tbb UNKNOWN IMPORTED)
     set_target_properties(tbb PROPERTIES
       IMPORTED_LOCATION "${TBB_ENV_LIB}"
-      IMPORTED_LOCATION_DEBUG "${TBB_ENV_LIB_DEBUG}"
       INTERFACE_INCLUDE_DIRECTORIES "${TBB_ENV_INCLUDE}"
     )
+    if (TBB_ENV_LIB_DEBUG)
+      set_target_properties(tbb PROPERTIES
+        IMPORTED_LOCATION_DEBUG "${TBB_ENV_LIB_DEBUG}"
+      )
+    endif()
     # workaround: system TBB library is used for linking instead of provided
     if(CV_GCC)
       get_filename_component(_dir "${TBB_ENV_LIB}" DIRECTORY)