Index: src/ipeextract/ipeextract.cpp
--- src/ipeextract/ipeextract.cpp.orig
+++ src/ipeextract/ipeextract.cpp
@@ -33,6 +33,7 @@
 #include "ipepdfparser.h"
 #include <cstdlib>
 
+using std::exit;
 using namespace ipe;
 
 // ---------------------------------------------------------------------