Add (read), improve error reporting
diff --git a/src/lisp/Jmk b/src/lisp/Jmk
index 3f50e85..8647e85 100644
--- a/src/lisp/Jmk
+++ b/src/lisp/Jmk
@@ -13,7 +13,8 @@
 archetype(c)
 archetype(asm)
 
-CFLAGS += -Ivendor/luajit/dynasm -Werror
+CFLAGS += -Ivendor/luajit/dynasm -Werror -lreadline
+LDFLAGS += -lreadline
 ASMFLAGS += -felf -Fdwarf
 
 OBJECTS = main.o \