diff --git a/deps/mk/cxx_flags.mk b/deps/mk/cxx_flags.mk
index f92196ac..f1767887 100644
--- a/deps/mk/cxx_flags.mk
+++ b/deps/mk/cxx_flags.mk
@@ -1,4 +1,9 @@
-INITIAL_CXX_FLAGS += -Wall -fvisibility=hidden -fvisibility-inlines-hidden
+INITIAL_CXX_FLAGS += -Wall
+
+ifndef GLOBALVISIBILITY
+    INITIAL_CXX_FLAGS += -fvisibility=hidden -fvisibility-inlines-hidden
+endif
+
 ifdef DEBUG
     INITIAL_CXX_FLAGS += -g
 else