diff --git a/v2/test/dependency-test/src1/z.h b/v2/test/dependency-test/src1/z.h
index e3b44c871..57084f4a9 100644
--- a/v2/test/dependency-test/src1/z.h
+++ b/v2/test/dependency-test/src1/z.h
@@ -1 +1 @@
-// Dummy comment, supposed to suppress 'empty-file' warning from HP-CXX
+extern int dummy_variabled_need_to_suppress_empty_file_warning_on_hp_cxx_compiler;