+macos-*)
+ export NPROC="getconf _NPROCESSORS_ONLN"
+ export PATH="/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
+ export CPPFLAGS="-I/opt/local/include"
+ export LDFLAGS="-L/opt/local/lib"
+ export PYTHON="python3.9"
+ export PYTHON_CONFIG="python3.9-config"
+ ;;