diff --git a/contrib/libexecinfo/backtrace.c b/contrib/libexecinfo/backtrace.c
index 02ad1480372c..e51c66644ede 100644
--- a/contrib/libexecinfo/backtrace.c
+++ b/contrib/libexecinfo/backtrace.c
@@ -33,6 +33,7 @@ __RCSID("$NetBSD: backtrace.c,v 1.2 2012/07/09 03:11:59 christos Exp $");
 
 #include <sys/param.h>
 #include <assert.h>
+#define _WITH_DPRINTF
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
diff --git a/contrib/libexecinfo/symtab.c b/contrib/libexecinfo/symtab.c
index b5da75cefad7..737662e77433 100644
--- a/contrib/libexecinfo/symtab.c
+++ b/contrib/libexecinfo/symtab.c
@@ -33,6 +33,7 @@ __RCSID("$NetBSD: symtab.c,v 1.1 2012/05/26 22:02:29 christos Exp $");
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <string.h>
 #include <err.h>
 #include <dlfcn.h>