X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsquare.h;h=ed0b289b7e902b394517c58011f92d570c9e2489;hp=ff31e8653ecb4407d297a5568f3c446c290b982e;hb=2de78ebc7b40ff7f5155c9fd4a6a04a4b4138460;hpb=5dc23121215039938a9ef4e59ae934312774571c

diff --git a/src/square.h b/src/square.h
index ff31e865..ed0b289b 100644
--- a/src/square.h
+++ b/src/square.h
@@ -25,6 +25,7 @@
 //// Includes
 ////
 
+#include <cstdlib> // for abs()
 #include <string>
 
 #include "color.h"