=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for mozjs-52.7.4.tar.bz2
=> Checksum RMD160 OK for mozjs-52.7.4.tar.bz2
=> Checksum SHA512 OK for mozjs-52.7.4.tar.bz2
===> Installing dependencies for spidermonkey52-52.7.4nb11
==========================================================================
The following variables will affect the build process of this package,
spidermonkey52-52.7.4nb11.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 37
        * READLINE_DEFAULT = editline

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

        * PYPACKAGE = python27
        * READLINE_TYPE = editline
        * 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 autoconf213>=2.13: found autoconf213-2.13nb8
=> Tool dependency gmake>=3.81: found gmake-4.2.1nb1
=> Tool dependency perl>=5.0: found perl-5.30.2
=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.6.0
=> Tool dependency distcc-[0-9]*: found distcc-3.3
=> Build dependency python27>=2.7.1nb2: found python27-2.7.17nb2
=> Build dependency gcc48>=4.8: NOT found
=> Verifying /nonexistent for ../../lang/gcc48
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/gcc48
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/lang/spidermonkey52