Proper format for passing CLI "options"

1

I’m working on a snap for mumble, and I’m running into an issue where I need a “recursive” option for qmake. Reading the docs, this is done with the options directive in the yaml file. I currently have:

parts:
  mumble:
    source: https://github.com/mumble-voip/mumble.git
    source-tag: 1.2.19
    # See 'snapcraft plugins'
    plugin: qmake
    qt-version: qt4
    options:
      - "CONFIG+=no-server"
      - "-recursive"
    project-files:
      - "main.pro"

And I had tried:

parts:
  mumble:
    source: https://github.com/mumble-voip/mumble.git
    source-tag: 1.2.19
    # See 'snapcraft plugins'
    plugin: qmake
    qt-version: qt4
    options:
      - "CONFIG+=no-server -recursive"
    project-files:
      - "main.pro"

But it never seems to make it through. I just want to be sure I am formatting it correctly.

I read the plugin docs:

- options:
  (list of strings)
  additional options to pass to the qmake invocation.
- qt-version:
  (enum, 'qt4' or 'qt5')
  Version of Qt to use with qmake.
- project-files:
  (list of strings)
  list of .pro files to pass to the qmake invocation.

Currently looking for an example YAML to compare (hoping to answer my own question).

Thank you in advance.