--- a/native/fdlibm/dtoa.c        2026-03-29 22:11:04.279173045 +0100
+++ b/native/fdlibm/dtoa.c        2026-03-29 22:11:25.759841477 +0100
@@ -27,6 +27,7 @@
  */
 
 #include "mprec.h"
+#include <stdlib.h>
 #include <string.h>
 
 static int
