=> 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 Sereal-Encoder-3.014.tar.gz
=> Checksum RMD160 OK for Sereal-Encoder-3.014.tar.gz
=> Checksum SHA512 OK for Sereal-Encoder-3.014.tar.gz
===> Installing dependencies for p5-Sereal-Encoder-3.014nb3
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency p5-Test-LongString-[0-9]*: found p5-Test-LongString-0.17nb3
=> Build dependency p5-Test-Warn-[0-9]*: found p5-Test-Warn-0.32nb1
=> Build dependency p5-Sereal-Decoder>=2.03: found p5-Sereal-Decoder-3.014nb3
=> Build dependency cwrappers>=20150314: found cwrappers-20170112
=> Full dependency perl<5.28.0: found perl-5.26.0nb1
=> Full dependency perl>=5.26.0: found perl-5.26.0nb1
===> Overriding tools for p5-Sereal-Encoder-3.014nb3
===> Extracting for p5-Sereal-Encoder-3.014nb3
===> Patching for p5-Sereal-Encoder-3.014nb3
=> Applying pkgsrc patches for p5-Sereal-Encoder-3.014nb3
=> Verifying /data/pkgsrc-current/converters/p5-Sereal-Encoder/patches/patch-Encoder.xs
**************************************
Ignoring patch file /data/pkgsrc-current/converters/p5-Sereal-Encoder/patches/patch-Encoder.xs: invalid checksum
**************************************
=> Verifying /data/pkgsrc-current/converters/p5-Sereal-Encoder/patches/patch-snappy_csnappy__internal__userspace.h
=> Applying pkgsrc patch /data/pkgsrc-current/converters/p5-Sereal-Encoder/patches/patch-snappy_csnappy__internal__userspace.h
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-snappy_csnappy__internal__userspace.h,v 1.1 2016/12/15 01:53:34 wiedi Exp $
|
|reorder so that __sun matches before __GNUC__
|
|--- snappy/csnappy_internal_userspace.h.orig	2015-11-24 17:55:03.000000000 +0000
|+++ snappy/csnappy_internal_userspace.h
--------------------------
Patching file snappy/csnappy_internal_userspace.h using Plan A...
Hunk #1 succeeded at 154.
Hunk #2 succeeded at 168.
done
ERROR: Patching failed due to modified or broken patch file(s):
ERROR: 	/data/pkgsrc-current/converters/p5-Sereal-Encoder/patches/patch-Encoder.xs
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc-current/converters/p5-Sereal-Encoder
*** Error code 1

Stop.
make: stopped in /data/pkgsrc-current/converters/p5-Sereal-Encoder