From 5c5fbd6a5b18cf61a595a135b090c15b7ae7b020 Mon Sep 17 00:00:00 2001
From: jackwhich <zhongzhenx.liu@intel.com>
Date: Thu, 24 Feb 2022 15:25:55 +0800
Subject: [PATCH] doc: revert gsg libcjson dependency

Add gsg to install libcjson-dev dependency notes

Signed-off-by: zhongzhenx.liu <zhongzhenx.liu@intel.com>
---
 doc/getting-started/getting-started.rst | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/doc/getting-started/getting-started.rst b/doc/getting-started/getting-started.rst
index cc66c3515..ceec6fcfe 100644
--- a/doc/getting-started/getting-started.rst
+++ b/doc/getting-started/getting-started.rst
@@ -126,13 +126,20 @@ To set up the ACRN build environment on the development computer:
            e2fslibs-dev \
            pkg-config \
            libnuma-dev \
-           libcjson-dev \
            liblz4-tool \
            flex \
            bison \
            xsltproc \
            clang-format \
            bc
+         
+   .. note:: You need to follow these steps if you are on Ubuntu 18.04 as ``libcjson-dev`` is not available in the default repositories.
+
+      .. code-block:: bash
+
+         sudo add-apt-repository ppa:jrtc27/cjson
+         sudo apt-get update
+         sudo apt install libcjson-dev
 
 #. Install Python package dependencies: