Add CMake to build gir

rust-bindings/rust/.gitlab-ci.yml

@@ -3,7 +3,7 @@ image: rust:latest
 before_script:
 - echo deb http://ftp.debian.org/debian stretch-backports main > /etc/apt/sources.list.d/backports.list
 - apt-get update
-- apt-get install -y -t stretch-backports libostree-dev
+- apt-get install -y -t stretch-backports cmake libostree-dev
 
 stages:
 - build