Index: apertium/wblank-detach.cc
--- apertium/wblank-detach.cc.orig
+++ apertium/wblank-detach.cc
@@ -19,8 +19,14 @@
 #include <iostream>
 #include <string>
 #include <array>
+#include <unistd.h>
 
 int main(int argc, char* argv[]) {
+	if (pledge("stdio rpath wpath cpath", NULL) == -1) {
+		std::cerr << "pledge" << std::endl;
+		return 1;
+	}
+
 	// Ignore -z, but anything else just show what this tool does
 	if (argc > 1 && argv[1][1] != 'z') {
 		std::cout << "Closes all word-bound blanks, turning [[...]]^...$ into [[...]]^...$[[/]]\n";