CMakeLists.txt demo

src/codec/SkGifCodec.cpp

Index: src/codec/SkGifCodec.cpp
diff --git a/src/codec/SkGifCodec.cpp b/src/codec/SkGifCodec.cpp
index a938f5fc48fac46ece1f929597ae5844675d3917..bce110a0ecaa46b18fd6ba4426593e25f03aa07c 100644
--- a/src/codec/SkGifCodec.cpp
+++ b/src/codec/SkGifCodec.cpp
@@ -13,6 +13,14 @@
 #include "SkSwizzler.h"
 #include "SkUtils.h"
 
+#include "gif_lib.h"
+
+#if (GIFLIB_MAJOR * 1000 + GIFLIB_MINOR) < 5001
+    bool SkGifCodec::IsGif(const void*, size_t) { return false; }
+    SkCodec* SkGifCodec::NewFromStream(SkStream* s) { delete s; return nullptr; }
+
+#else
+
 /*
  * Checks the start of the stream to see if the image is a gif
  */
@@ -586,3 +594,5 @@ int SkGifCodec::onOutputScanline(int inputScanline) const {
     }
     return inputScanline;
 }
+
+#endif