完成workflows测试

.github/workflows/ccpp.yml

@@ -9,8 +9,16 @@ jobs:
     
     steps:
     - uses: actions/checkout@v1
-    - name: build
-      run: ./build_for_linux.sh
-    - name: run
-      run: cd ZLMediaKit/release/linux/Debug && ./MediaServer -d 
+
+    - name: 下载submodule源码
+      run: git submodule update --init
+
+    - name: apt-get安装依赖库(非必选)
+      run: sudo apt-get install -y cmake libmysqlclient-dev libssl-dev libx264-dev libfaac-dev libmp4v2-dev libsdl-dev libavcodec-dev libavutil-dev
+
+    - name: 编译
+      run: mkdir -p linux_build && cd linux_build && cmake .. && make -j4
+
+    - name: 运行MediaServer
+      run: pwd && cd release/linux/Debug && ./MediaServer -h