Index: src/lsx_comp.cc
--- src/lsx_comp.cc.orig
+++ src/lsx_comp.cc
@@ -2,6 +2,7 @@
 #include <cerrno>
 #include <iostream>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include <lsx_compiler.h>
 #include <lttoolbox/lt_locale.h>
@@ -20,6 +21,11 @@ void endProgram(char *name)
 
 int main (int argc, char** argv)
 {
+  if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+    cerr << "pledge" << endl;
+    exit(EXIT_FAILURE);
+  }
+
   if(argc < 4)
   {
     endProgram(argv[0]);