Index: src/lrx_comp.cc
--- src/lrx_comp.cc.orig
+++ src/lrx_comp.cc
@@ -19,6 +19,7 @@
 #include <cstring>
 #include <iostream>
 #include <libgen.h>
+#include <unistd.h>
 #include <lttoolbox/lt_locale.h>
 
 using namespace std;
@@ -35,6 +36,10 @@ void endProgram(char *name)
 
 int main (int argc, char **argv)
 {
+  if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+    cerr << "pledge" << endl;
+  }
+
   LtLocale::tryToSetLocale();
 
   LRXCompiler compiler;
