Index: src/lrx_proc.cc
--- src/lrx_proc.cc.orig
+++ src/lrx_proc.cc
@@ -20,6 +20,7 @@
 #include <getopt.h>
 #include <iostream>
 #include <libgen.h>
+#include <unistd.h>
 
 #ifdef _MSC_VER
 #include <io.h>
@@ -47,6 +48,11 @@ void endProgram(char *name)
 
 int main(int argc, char *argv[])
 {
+  if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+    wcerr << "pledge" << endl;
+    exit(EXIT_FAILURE);
+  }
+
   LRXProcessor lrxp;
 
 #if HAVE_GETOPT_LONG