=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for gprolog-1.4.5.tar.gz
=> Checksum RMD160 OK for gprolog-1.4.5.tar.gz
=> Checksum SHA512 OK for gprolog-1.4.5.tar.gz
===> Installing dependencies for gprolog-1.4.5
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
===> Overriding tools for gprolog-1.4.5
===> Extracting for gprolog-1.4.5
===> Patching for gprolog-1.4.5
=> Applying pkgsrc patches for gprolog-1.4.5
===> Creating toolchain wrappers for gprolog-1.4.5
===> Configuring for gprolog-1.4.5
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
checking for armv6--netbsdelf-eabihf-gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking build system type... armv6--netbsdelf-eabihf
checking host system type... armv6--netbsdelf-eabihf
checking for armv6--netbsdelf-eabihf-as... no
checking for as... as
checking for armv6--netbsdelf-eabihf-ranlib... no
checking for ranlib... ranlib
checking for armv6--netbsdelf-eabihf-windres... no
checking for windres... no
checking for armv6--netbsdelf-eabihf-ar... no
checking for ar... ar
checking for armv6--netbsdelf-eabihf-strip... no
checking for strip... strip
checking whether make sets $(MAKE)... yes
checking for a BSD-compatible install... /usr/bin/install -c -o pbulk -g users
checking whether ln -s works... yes
configure: error: unsupported architecture armv6--netbsdelf-eabihf
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/lang/gprolog
*** Error code 1

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