build pipeline stage update

.gitlab-ci.yml

@@ -2,18 +2,23 @@ stages:
   - build 
   - test 
   - deploy
-  
+
+variables:
+  $CI_BUILDS_DIR : ./build/
+
 before_script:
 # the 2 following steps make sure that the required building tool (meson) is installed on the runner
   - apt-get update && apt-get install -y python3-pip ninja-build
   - pip3 install meson 
 
+
 build-job :
   stage: build
   image: ubuntu:22.04
   script:
     - echo "Hello, $GITLAB_USER_LOGIN!"
-    - meson --help && meson compile --verbose
+    - meson setup $CI_BUILDS_DIR
+    - meson compile --verbose
 
 test-job1:
   stage: test