From 6f5512eb6ac8fe6acc68911271a05b15a4dd4985 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 6 Jan 2021 22:50:09 +0800
Subject: [PATCH] fix giflib for vs2013

---
 packages/g/giflib/xmake.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/g/giflib/xmake.lua b/packages/g/giflib/xmake.lua
index 66bfdbc7d..7bb3480d8 100644
--- a/packages/g/giflib/xmake.lua
+++ b/packages/g/giflib/xmake.lua
@@ -44,6 +44,10 @@ package("giflib")
         if package:config("utils") then
             local util_table = {"gif2rgb", "gifbuild", "gifclrmp", "giffix", "giftext", "giftool"}
             for _, util in ipairs(util_table) do
+                if package:is_plat("windows") then
+                    -- fix unresolved external symbol snprintf before vs2013
+                    io.replace(util .. ".c", "snprintf", "_snprintf")
+                end
                 xmake_lua = xmake_lua .. string.format([[
                     target("%s")
                         set_kind("binary")