=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for dune-1.9.3.tar.gz
=> Checksum RMD160 OK for dune-1.9.3.tar.gz
=> Checksum SHA512 OK for dune-1.9.3.tar.gz
===> Installing dependencies for ocaml-dune-1.9.3
==========================================================================
The following variables will affect the build process of this package,
ocaml-dune-1.9.3.  Their current value is shown below:

        * OCAML_USE_OPT_COMPILER = no

Based on these variables, the following variables have been set:

        * TERMCAP_TYPE = termcap

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/bin/make clean' after
the changes.
==========================================================================
=> Tool dependency gmake>=3.81: found gmake-4.2.1nb1
=> Build dependency ocaml-opaline>=0.3.2: found ocaml-opaline-0.3.2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ocaml-findlib>=1.8.0nb5: found ocaml-findlib-1.8.0nb5
=> Full dependency ocaml>=4.07.1nb3: found ocaml-4.07.1nb3
===> Overriding tools for ocaml-dune-1.9.3
===> Extracting for ocaml-dune-1.9.3
tar: Global extended headers posix ustar archive. Extracting as plain files. Following files might be in the wrong directory or have wrong attributes.
===> Patching for ocaml-dune-1.9.3
===> Creating toolchain wrappers for ocaml-dune-1.9.3
===> Configuring for ocaml-dune-1.9.3