From 765d85cff93149db4c0404521937d181e0c29220 Mon Sep 17 00:00:00 2001
From: Yiwei Lin <s921975628@gmail.com>
Date: Thu, 26 Mar 2026 18:30:43 +0800
Subject: [PATCH] Guide running make defconfig in README

User needs to create the .config before building
kbox. Mention this is README.

Change-Id: Ic9dbb7b81f0ddd2a87b52ecb3b901c6b35c24c2e
---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index b13806c..18aae84 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,12 @@ On aarch64, four `O_*` flags differ between the host and asm-generic: `O_DIRECTO
 
 ## Building
 
+First, bootstrap with a default config.
+
+```bash
+make defconfig
+```
+
 Linux only (host kernel 5.0+ for seccomp-unotify, 5.9+ for FSGSBASE trap optimization). Requires GCC, GNU Make, and a pre-built `liblkl.a`. No `libseccomp` dependency; the BPF filter is compiled natively.
 
 ```bash