RCG: some $target/chans directories if needed

Create chans/ipc/.ipc if missing during build Create chans/tmp if missing during installation

Closes #224 (closed) and #2 (closed)

assigned to @ezekiel.dohmen

approved this merge request

mentioned in commit 5877ac78

merged

mentioned in issue #224 (closed)

mentioned in issue #2 (closed)