--- configure
+++ configure
@@ -23549,6 +23549,7 @@
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #ifdef WIN32
 #define binmode "b"
@@ -23910,6 +23910,7 @@
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #ifdef WIN32
 #define binmode "b"
@@ -24347,6 +24347,7 @@
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 #ifdef WIN32