Index: src/tools/wasm2c.cc
--- src/tools/wasm2c.cc.orig
+++ src/tools/wasm2c.cc
@@ -19,6 +19,9 @@
 #include <cstdio>
 #include <cstdlib>
 
+#include <err.h>
+#include <unistd.h>
+
 #include "wabt/apply-names.h"
 #include "wabt/binary-reader-ir.h"
 #include "wabt/binary-reader.h"
@@ -193,6 +196,9 @@ int ProgramMain(int argc, char** argv) {
 
   InitStdio();
   ParseOptions(argc, argv);
+
+  if (pledge("stdio rpath wpath cpath", NULL) != 0)
+    err(1, "pledge");
 
   Errors errors;
   result = Wasm2cMain(errors);
