=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for jbuilder-1.0_beta20.tar.gz
=> Checksum RMD160 OK for jbuilder-1.0_beta20.tar.gz
=> Checksum SHA512 OK for jbuilder-1.0_beta20.tar.gz
===> Installing dependencies for ocaml-jbuilder-1.0_beta20nb2
==========================================================================
The following variables will affect the build process of this package,
ocaml-jbuilder-1.0_beta20nb2.  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.
==========================================================================
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ocaml-findlib>=1.8.1: found ocaml-findlib-1.8.1
=> Full dependency ocaml>=4.08.1nb1: found ocaml-4.08.1nb1
===> Overriding tools for ocaml-jbuilder-1.0_beta20nb2
===> Extracting for ocaml-jbuilder-1.0_beta20nb2
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-jbuilder-1.0_beta20nb2
===> Creating toolchain wrappers for ocaml-jbuilder-1.0_beta20nb2
===> Configuring for ocaml-jbuilder-1.0_beta20nb2