Update compiling project document. (#14)
diff --git a/docs/en/contribution/compiling.md b/docs/en/contribution/compiling.md
index fe9b55e..9b4be77 100644
--- a/docs/en/contribution/compiling.md
+++ b/docs/en/contribution/compiling.md
@@ -22,14 +22,18 @@
Install Rust globally.
-```shell
-export RUSTUP_HOME=/opt/rustup
-export CARGO_HOME=/opt/cargo
+For Linux user:
-curl https://sh.rustup.rs -sSf | sudo -E sh -s -- --no-modify-path
-sudo ln -s $CARGO_HOME/bin/rustup /usr/local/bin/rustup
-sudo ln -s $CARGO_HOME/bin/rustc /usr/local/bin/rustc
-sudo ln -s $CARGO_HOME/bin/cargo /usr/local/bin/cargo
+```shell
+curl https://sh.rustup.rs -sSf | sudo sh -s -- --no-modify-path
+sudo ln -s /root/.cargo/bin/rustup /usr/local/bin/rustup
+sudo ln -s /root/.cargo/bin/cargo /usr/local/bin/cargo
+```
+
+For MacOS user:
+
+```shell
+brew install rust
```
## Install requirement
@@ -46,24 +50,21 @@
brew install protobuf
```
-## Build and install Skywalking PHP Agent
+## Build and install Skywalking PHP Agent from archive file
-* If you clone codes from https://github.com/apache/skywalking-php
+For Linux user:
- ```shell
- git clone --recursive https://github.com/apache/skywalking-php.git
- cd skywalking-php
-
- phpize
- ./configure
- make
- sudo make install
- ```
+```shell
+sudo pecl install skywalking_agent-x.y.z.tgz
+```
-* If you download package tar from https://skywalking.apache.org/downloads/
+For MacOS user:
- ```shell
- sudo pecl install skywalking_agent-x.y.z.tgz
- ```
+> Running the `pecl install` command with the php installed in brew may encounter the problem of `mkdir`, please refer to
+> [Installing PHP and PECL Extensions on MacOS](https://patriqueouimet.ca/tip/installing-php-and-pecl-extensions-on-macos).
+
+```shell
+pecl install skywalking_agent-x.y.z.tgz
+```
The extension file `skywalking_agent.so` is generated in the php extension folder, get it by run `php-config --extension-dir`.
