build on macos

[antikythera] / src / gear.cc

diff --git a/src/gear.cc b/src/gear.cc
index c00b411..e6a5491 100644 (file)
--- a/src/gear.cc
+++ b/src/gear.cc
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <GL/glew.h>
 #include "gear.h"
 #include "meshgen.h"