diff --git a/contrib/gcclibs/libssp/ssp.c b/contrib/gcclibs/libssp/ssp.c
index e1f6f3977690..46cd5793cb3c 100644
--- a/contrib/gcclibs/libssp/ssp.c
+++ b/contrib/gcclibs/libssp/ssp.c
@@ -56,6 +56,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 # include <syslog.h>
 #endif
 
+#include <stdlib.h>
+
 void *__stack_chk_guard = 0;
 
 static void __attribute__ ((constructor))