Unfortunately, our depends build system still lacks 100% reliability.
On master (57982f419e36d0023c83af2dd0d683ca3160dc2a):
0$ make --no-print-directory -C depends print-capnp_version MULTIPROCESS=1
1capnp_version=
This PR fixes this issue:
0$ make --no-print-directory -C depends print-capnp_version MULTIPROCESS=1
1capnp_version=0.7.0
This PR split off from bitcoin/bitcoin#22552, bitcoin/bitcoin#22555 and bitcoin/bitcoin#22708.