---
# This sets the package names for the supported distros.
- set_fact: 
    pkgnames:
      - "build-essential"
      - "cmake"
      - "git"
  when:
    - ansible_distribution == "Ubuntu"
- set_fact: 
    pkgnames:
      - "@development tools"
      - "cmake"
      - "git"
  when:
    - ansible_distribution == "CentOS"