Don't know why but, whereas I installed perl in centos7_rock, the jobs running...

Don't know why but, whereas I installed perl in centos7_rock, the jobs running in the centos7_rock docker image don't find perl. This is why I install it again... I need to have CI working to go on. Will investigate this problem later.

.gitlab-ci.yml

@@ -11,7 +11,7 @@ makefile_generation_and_compilation_plus_run_nrt_tests_cluster:
         - export PATH=$PATH:/usr/bin
         - echo $PATH
         - ls /usr/bin
-        - yum update -y && yum install -y perl && /usr/bin/perl --version
+        - yum update -y && yum install -y perl perl-Thread-Queue.noarch && /usr/bin/perl --version
         - autoconf -i
         - ./configure
         - make; cd src