do_cmake.sh

#!/bin/sh -x
git submodule update --init --recursive
if test -e build; then
    echo 'build dir already exists; rm -rf build and re-run'
    exit 1
fi
mkdir build
cd build
cmake -DBOOST_J=$(nproc) "$@" ..

# minimal config to find plugins
cat <<EOF > ceph.conf
plugin dir = lib
erasure code dir = lib
EOF

# give vstart a (hopefully) unique mon port to start with
echo $(( RANDOM % 1000 + 40000 )) > .ceph_port

echo done.