=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for xxdiff-4.0.1.tar.bz2
=> Checksum RMD160 OK for xxdiff-4.0.1.tar.bz2
=> Checksum SHA512 OK for xxdiff-4.0.1.tar.bz2
===> Installing dependencies for xxdiff-scripts-4.0.1nb1
==========================================================================
The following variables will affect the build process of this package,
xxdiff-scripts-4.0.1nb1.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 37

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

        * PYPACKAGE = python37

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 xxdiff-4.0.1{,nb*}: found xxdiff-4.0.1nb1
=> Full dependency python37>=3.7.0: found python37-3.7.3nb1
===> Overriding tools for xxdiff-scripts-4.0.1nb1
===> Extracting for xxdiff-scripts-4.0.1nb1
===> Patching for xxdiff-scripts-4.0.1nb1
===> Creating toolchain wrappers for xxdiff-scripts-4.0.1nb1
===> Configuring for xxdiff-scripts-4.0.1nb1
=> Replacing python interpreter in bin/svn-foreign bin/xx-cond-replace bin/xx-cvs-diff bin/xx-cvs-revcmp bin/xx-diff-proxy bin/xx-encrypted bin/xx-filter bin/xx-find-grep-sed bin/xx-hg-merge bin/xx-match bin/xx-p4-unmerge bin/xx-pyline bin/xx-rename bin/xx-sql-schemas bin/xx-svn-diff bin/xx-svn-resolve bin/xx-svn-review.