--- configure.orig	2014-06-13 22:52:28 UTC
+++ configure
@@ -4730,7 +4730,8 @@ if test "$cross_compiling" = yes; then :
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-main(){exit(0);}
+#include <stdlib.h>
+int main(void) { exit(0); }
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :
   ac_export_dynamic=yes