diff --git a/cmake/external/protobuf.cmake b/cmake/external/protobuf.cmake
index 2f267adc203f3da80615318f168de9798c537080..3c74944bc21a131fe90e61777d3dce8b3f21900a 100644
--- a/cmake/external/protobuf.cmake
+++ b/cmake/external/protobuf.cmake
@@ -144,18 +144,7 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
 ENDFUNCTION()
 
 SET(PROTOBUF_VERSION 3.1)
-IF(NOT CMAKE_CROSSCOMPILING)
-    FIND_PACKAGE(Protobuf ${PROTOBUF_VERSION})
-
-    IF(PROTOBUF_FOUND)
-        SET_PROTOBUF_VERSION()
-        IF("${PROTOBUF_VERSION}" VERSION_LESS "3.1.0")
-            SET(PROTOBUF_FOUND OFF)
-        ELSE()
-            PROMPT_PROTOBUF_LIB()
-        ENDIF()
-    ENDIF(PROTOBUF_FOUND)
-ELSE()
+IF(CMAKE_CROSSCOMPILING)
     build_protobuf(protobuf_host TRUE)
     LIST(APPEND external_project_dependencies protobuf_host)
 
diff --git a/cmake/generic.cmake b/cmake/generic.cmake
index 61353a4a2622257eddb05578c5085c44c1719b98..f2e3934c27f75ff2767f212929ff211d7481ee61 100644
--- a/cmake/generic.cmake
+++ b/cmake/generic.cmake
@@ -146,9 +146,9 @@ function(merge_static_libs TARGET_NAME)
     set(outlibfile "$<TARGET_FILE:${TARGET_NAME}>")
 
     foreach(lib ${libs})
-    add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
-      COMMAND ${CMAKE_AR} ru ${outlibfile} @"../${objlistfile}"
-      WORKING_DIRECTORY ${objdir})
+      add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
+      COMMAND ${CMAKE_AR} ru ${outlibfile} @"../${lib}.objlist"
+      WORKING_DIRECTORY ${lib}.objdir)
     endforeach()
 
     add_custom_command(TARGET ${TARGET_NAME} POST_BUILD