From 4fe5d588bf86affd7e099d1d04026e55d627d982 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Fri, 18 Nov 2016 19:19:13 -0800
Subject: [PATCH] Android.mk: use -fvisibility=hidden

brings the final libwebp.so size down 16/20K with arm64/armv7 builds
using ndk-r13

Change-Id: I20d8aba61d6b692b0fc32f4b271e2f9872f03c28
(cherry picked from commit de568abfdbc15a2953efc764cb0dab51b6466a52)
---
 Android.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Android.mk b/Android.mk
index ef35795b..2030cd5a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,6 +1,7 @@
 LOCAL_PATH := $(call my-dir)
 
 WEBP_CFLAGS := -Wall -DANDROID -DHAVE_MALLOC_H -DHAVE_PTHREAD -DWEBP_USE_THREAD
+WEBP_CFLAGS += -fvisibility=hidden
 
 ifeq ($(APP_OPTIM),release)
   WEBP_CFLAGS += -finline-functions -ffast-math \