NODE_LABELS: space-separated list of platform properties. The included values are used by the build scripts to select the proper behavior for different operating systems and versions.
The list should normally contain [OS_TYPE], [DISTRO_TYPE], and [DISTRO_VERSION].
Example values:
[OS_TYPE]: Linux, macos[DISTRO_TYPE]: Ubuntu, CentOS[DISTRO_VERSION]: ubuntu-20.04, ubuntu-22.04, centos-9, macos-10.15, macos-11JOB_NAME: optional variable that defines the type of build job. Depending on the job type, the build scripts can perform different tasks.
Possible values:
code-coverage: debug build with tests and code coverage analysis (Ubuntu Linux is assumed)limited-build: only a single debug build with testsCACHE_DIR: directory containing cached files from previous builds, e.g., a compiled version of ndn-cxx. If not set, /tmp is used.
WAF_JOBS: number of parallel build threads used by waf, defaults to 1.