Index: src/lrx_comp.cc
--- src/lrx_comp.cc.orig
+++ src/lrx_comp.cc
@@ -16,6 +16,7 @@
  */
 
 #include <lrx_compiler.h>
+#include <unistd.h>
 
 using namespace std;
 
@@ -31,6 +32,11 @@ void endProgram(char *name)
 
 int main (int argc, char **argv)
 {
+  if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+    cerr << "pledge" << endl;
+    exit(EXIT_FAILURE);
+  }
+
   LRXCompiler compiler;
 
   if(argc != 3 && argc != 4)