--- a/rd/read-gif.c
+++ b/rd/read-gif.c
@@ -14,6 +14,14 @@
 }
 #else
 #define GIF5DATA(x)
+// v4.2 removed PrintGifError in favor of GifErrorString, but with a different
+// prototype than v5
+#if defined(GIFLIB_MAJOR) && defined(GIFLIB_MINOR) && (GIFLIB_MAJOR == 4) && (GIFLIB_MINOR == 2)
+static void PrintGifError()
+{
+    fprintf(stderr, "GIF library error: %s\n", GifErrorString());
+}
+#endif
 #define PrintGifError(e)	PrintGifError()
 #define DGifOpenFileHandle(x,e)	DGifOpenFileHandle(x)
 #define DGifCloseFile(x,e)	DGifCloseFile(x)