From 7f5d9d4f5e5eefe2ee32240f2e969d11097e54c8 Mon Sep 17 00:00:00 2001
From: TianlongLiang <111852609+TianlongLiang@users.noreply.github.com>
Date: Mon, 8 May 2023 16:30:56 +0800
Subject: [PATCH] Update document for iwasm/wamrc dependent packages (#2183)

---
 product-mini/README.md  | 13 ++++++++-----
 wamr-compiler/README.md | 13 +++++++++++--
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/product-mini/README.md b/product-mini/README.md
index 1499440e06..5847b24685 100644
--- a/product-mini/README.md
+++ b/product-mini/README.md
@@ -18,14 +18,17 @@ Note that all ESP-IDF toolchain files live under `$IDF_PATH/tools/cmake/`.
 ## Linux
 
 First of all please install the dependent packages.
-Run command below in Ubuntu-18.04:
-
+Run command below in Ubuntu-22.04:
+``` Bash
+sudo apt install build-essential cmake g++-multilib libgcc-11-dev lib32gcc-11-dev ccache
+```
+Or in Ubuntu-20.04
 ``` Bash
-sudo apt install build-essential cmake g++-multilib libgcc-8-dev lib32gcc-8-dev
+sudo apt install build-essential cmake g++-multilib libgcc-9-dev lib32gcc-9-dev ccache
 ```
-Or in Ubuntu-16.04:
+Or in Ubuntu-18.04:
 ``` Bash
-sudo apt install build-essential cmake g++-multilib libgcc-5-dev lib32gcc-5-dev
+sudo apt install build-essential cmake g++-multilib libgcc-8-dev lib32gcc-8-dev ccache
 ```
 Or in Fedora:
 ``` Bash
diff --git a/wamr-compiler/README.md b/wamr-compiler/README.md
index a3a791f990..b9e566af2a 100644
--- a/wamr-compiler/README.md
+++ b/wamr-compiler/README.md
@@ -1,7 +1,15 @@
 
 ### Build wamrc AOT compiler
 
-Both wasm binary file and AOT file are supported by iwasm. The wamrc AOT compiler is to compile wasm binary file to AOT file which can also be run by iwasm. Execute following commands to build **wamrc** compiler for Linux:
+Both wasm binary file and AOT file are supported by iwasm. The wamrc AOT compiler is to compile wasm binary file to AOT file which can also be run by iwasm. You can execute following commands to build **wamrc** compiler:
+
+For **Linux**(Ubuntu 20.04 as an example):
+
+First, make sure necessary dependency are installed:
+
+```shell
+sudo apt-get install git build-essential cmake g++-multilib libgcc-9-dev lib32gcc-9-dev ccache 
+```
 
 ```shell
 cd wamr-compiler
@@ -13,6 +21,7 @@ make
 ```
 
 For **Windows**：
+
 ```shell
 cd wamr-compiler
 python build_llvm.py
@@ -20,4 +29,4 @@ mkdir build && cd build
 cmake ..
 cmake --build . --config Release
 # wamrc.exe is generated under .\Release directory
-```
\ No newline at end of file
+```