Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -4,8 +4,8 @@ build:
   stage: build
   # instead of calling g++ directly you can also use some build toolkit like make
   # install the necessary build tools when needed
-  # before_script:
-  #   - sudo apt update && apt -y install wget
+  before_script:
+    - sudo apt update && apt -y install libasio-dev
   script:
     - mkdir build && cd build
     - cmake ..