Index: apertium/transferpp.cc
--- apertium/transferpp.cc.orig
+++ apertium/transferpp.cc
@@ -20,12 +20,19 @@
 #include <iostream>
 #include <apertium/string_utils.h>
 #include <libgen.h>
+#include <unistd.h>
 
 using namespace Apertium;
 using namespace std;
 
 int main(int argc, char *argv[])
 {
+  if (pledge("stdio rpath wpath cpath", NULL) == -1)
+  {
+    wcerr << "pledge" << endl;
+    return EXIT_SUCCESS;
+  }
+
   LtLocale::tryToSetLocale();
 
   if(argc != 3)