=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Checksum SHA1 OK for libbson-1.6.3.tar.gz
=> Checksum RMD160 OK for libbson-1.6.3.tar.gz
=> Checksum SHA512 OK for libbson-1.6.3.tar.gz
===> Installing dependencies for libbson-1.6.3
=> Tool dependency libtool-base>=2.4.2nb9: found libtool-base-2.4.6
=> Tool dependency gmake>=3.81: found gmake-4.1nb3
=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.3.5
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency cwrappers>=20150314: found cwrappers-20170611
===> Overriding tools for libbson-1.6.3
===> Extracting for libbson-1.6.3
===> Patching for libbson-1.6.3
===> Creating toolchain wrappers for libbson-1.6.3
===> Configuring for libbson-1.6.3
=> 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
=> Adding run-time search paths to pkg-config files.
=> Checking for portability problems in extracted files
./configure: 2891: Syntax error: Unterminated quoted string
*** Error code 2

Stop.
make[1]: stopped in /data/pkgsrc/devel/libbson
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/devel/libbson