=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for duff-0.2.tar.gz
=> Checksum RMD160 OK for duff-0.2.tar.gz
=> Checksum SHA512 OK for duff-0.2.tar.gz
===> Installing dependencies for ocaml-duff-0.2
==========================================================================
The following variables will affect the build process of this package,
ocaml-duff-0.2.  Their current value is shown below:

        * OCAML_USE_OPT_COMPILER = yes

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 distcc-[0-9]*: found distcc-3.3
=> Build dependency ocaml-opaline>=0.3.2: found ocaml-opaline-0.3.2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ocaml-dune>=1.9.3: found ocaml-dune-1.11.4
=> Full dependency ocaml-findlib>=1.8.1: found ocaml-findlib-1.8.1
=> Full dependency ocaml>=4.08.1nb1: found ocaml-4.08.1nb2
=> Full dependency ocaml-bos>=0.2.0: found ocaml-bos-0.2.0
=> Full dependency ocaml-cmdliner>=1.0.3: found ocaml-cmdliner-1.0.3
=> Full dependency ocaml-cstruct>=3.7.0: found ocaml-cstruct-3.7.0
=> Full dependency ocaml-fmt>=0.8.5nb1: found ocaml-fmt-0.8.5nb1
=> Full dependency ocaml-fpath>=0.7.2: found ocaml-fpath-0.7.2
=> Full dependency ocaml-logs>=0.6.2: found ocaml-logs-0.6.2
===> Overriding tools for ocaml-duff-0.2
===> Extracting for ocaml-duff-0.2
===> Patching for ocaml-duff-0.2
===> Creating toolchain wrappers for ocaml-duff-0.2
===> Configuring for ocaml-duff-0.2