diff --git a/gcc.cmake b/gcc.cmake
index c01488c0f84..a9b9e5bcabf 100644
--- a/gcc.cmake
+++ b/gcc.cmake
@@ -200,11 +200,12 @@ endmacro()
 macro(spec2def _dllname _spec_file)
     get_filename_component(_file ${_spec_file} NAME_WE)
     add_custom_command(
-        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def
-        COMMAND native-spec2def -n=${_dllname} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
+        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
+        COMMAND native-spec2def -n=${_dllname} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file})
     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_file}.def
         PROPERTIES GENERATED TRUE EXTERNAL_OBJECT TRUE)
+    set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c PROPERTIES GENERATED TRUE)
 endmacro()
 
 # Optional 3rd parameter: dllname