diff -Nur a/src/Makefile b/src/Makefile
--- a/src/Makefile	2008-11-24 16:41:02.000000000 +0800
+++ b/src/Makefile	2023-03-03 10:48:20.373307674 +0800
@@ -75,7 +75,7 @@
 	$(CC) -c $(CFLAGS) $(INC) $< -o $@
 
 yacc: $(OBJ)
-	$(CC) -o yacc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4 $(OBJ)
+	$(CC) -o yacc -fPIE -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4 $(OBJ)
 	@echo "done"
 
 clean: