Fix CMake support for AGU

1 job for master in 58 seconds
Status Name Job ID Coverage
  Start
failed build-start #4656931

00:00:58

 
Name Stage Failure
failed
build-start Start
Skipping Git submodules setup
$ trigger -h gitlab.cern.ch -a "$API_TOKEN" -p "$CI_JOB_TOKEN" -t dev -e SOURCE_REPO=$CI_REPOSITORY_URL -e JALIEN_ROOT_BRANCH=$CI_COMMIT_REF_NAME 46440
Triggering pipeline for ref 'dev' for project id 46440
Pipeline created (id: 946391)
See pipeline at https://gitlab.cern.ch/nhardi/jalien-ci/pipelines/946391
Waiting for pipeline 946391 to finish ...
......
Pipeline failed! Check details at 'https://gitlab.cern.ch/nhardi/jalien-ci/pipelines/946391'
ERROR: Job failed: exit code 1