aliBuild Prerequisites for CentOS 7

For ALICE O2, CERN CentOS 7 (CC7)is the officialy supported target platform. Since CC7 is CentOS 7 with additional CERN packages, instructions apply to vanilla CentOS 7 as well.

Install or Upgrade the Required Packages

With root permissions, i.e. sudo or as root install the prerequisites using:

cat << EOF > /etc/yum.repos.d/alice-system-deps.repo
[alice-system-deps]
name=alice-system-deps
baseurl=https://s3.cern.ch/swift/v1/alibuild-repo/RPMS/o2-full-deps_x86-64/
enabled=1
gpgcheck=0
EOF
yum update -y
yum install -y alice-o2-full-deps 
yum update -y
yum install -y alibuild

You are now ready to start building ALICE software