[GitLabCI] Compile aidge_core.

.gitlab/ci/build.gitlab-ci.yml

@@ -17,7 +17,7 @@ build:ubuntu_cpp:
     - mkdir -p $MODULE_NAME/build
     - cd $MODULE_NAME/build
     - cmake -DCMAKE_INSTALL_PREFIX:PATH=$INSTALL_PATH -DCMAKE_BUILD_TYPE=Debug -DWERROR=ON ..
-    
+    - make -j4 all install
     - cd ../..
     
     # Build current module
@@ -29,9 +29,6 @@ build:ubuntu_cpp:
     paths:
       - build_cpp/
       - install_cpp/
-  variables:
-    CI_DEBUG_TRACE: "true"
-
 
 build:ubuntu_python:
   stage: build