Try to improve performance to avoid 1h timeout

.gitlab-ci.yml

@@ -11,12 +11,12 @@ stages:
   stage: build
   script:
     - yum install -y openssl-devel
-    - curl -OL https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-SHA-256.txt
-    - curl -OL https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}.tar.gz
+    - curl -s -OL https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-SHA-256.txt
+    - curl -s -OL https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}.tar.gz
     - 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}/${NAME} -- -DCMAKE_BUILD_TYPE:STRING=Release 
+    - ./bootstrap --prefix=${CI_PROJECT_DIR}/${NAME} --parallel=4 -- -DCMAKE_BUILD_TYPE:STRING=Release 
     - make
     - make install
   artifacts: