💚 Change make command to single threaded (freezes with -j) in gitlab-ci.yml

.gitlab-ci.yml

@@ -9,8 +9,8 @@ build:
   script:
     - mkdir build
     - cd build
-    - cmake -DCMAKE_CXX_FLAGS="-g -O0 -fprofile-arcs -ftest-coverage" ../src
-    - make -j
+    - cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-g -O0 -fprofile-arcs -ftest-coverage" ../src
+    - make
   artifacts:
     paths:
       - build/