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--- SILLY-0.1.0.old/src/loaders/SILLYPNGImageLoader.cpp
+++ SILLY-0.1.0/src/loaders/SILLYPNGImageLoader.cpp
@@ -30,6 +30,7 @@
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
+#include <string.h>
 
 #include "loaders/SILLYPNGImageLoader.h"
 
@@ -66,7 +67,11 @@
     //  printf("PNG Error: %s\n", error);
     // copied from libpng's pngerror.cpp
     jmp_buf buf;
+#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
+    memcpy(buf, png_jmpbuf((png_ptr)), sizeof(jmp_buf));
+#else
     memcpy(buf, png_ptr->jmpbuf, sizeof(jmp_buf));
+#endif
     longjmp(buf, 1);
 }