Try to remove release option to check if impact build performance

.gitlab-ci.yml

@@ -16,7 +16,7 @@ stages:
     - echo "$(cat cmake-${CMAKE_VERSION}-SHA-256.txt | grep cmake-${CMAKE_VERSION}.tar.gz)" | sha256sum --check --status
     - tar -xzf cmake-${CMAKE_VERSION}.tar.gz
     - cd cmake-${CMAKE_VERSION}
-    - ./bootstrap --prefix=${CI_PROJECT_DIR}/${NAME} --parallel=4 -- -DCMAKE_BUILD_TYPE:STRING=Release 
+    - ./bootstrap --prefix=${CI_PROJECT_DIR}/${NAME} --parallel=2
     - make
     - make install
   artifacts: