=> Bootstrap dependency digest>=20010302: found digest-20190127
WARNING: [license.mk] Every package should define a LICENSE.
=> Checksum SHA1 OK for randlib-1.3/randlib.c-1.3.tar.gz
=> Checksum RMD160 OK for randlib-1.3/randlib.c-1.3.tar.gz
=> Checksum SHA512 OK for randlib-1.3/randlib.c-1.3.tar.gz
===> Installing dependencies for randlib-1.3nb1
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20151107
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
===> Skipping vulnerability checks.
WARNING: No /opt/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/opt/pkg/sbin/pkg_admin -K /opt/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Overriding tools for randlib-1.3nb1
===> Extracting for randlib-1.3nb1
===> Patching for randlib-1.3nb1
=> Applying pkgsrc patches for randlib-1.3nb1
=> Verifying /opt/pkgsrc/math/randlib/patches/patch-aa
=> Applying pkgsrc patch /opt/pkgsrc/math/randlib/patches/patch-aa
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-aa,v 1.2 2019/12/28 11:47:35 wiz Exp $
|
|--- Makefile.orig	2019-12-28 11:46:09.222077493 +0000
|+++ Makefile
--------------------------
(Creating file Makefile...)
Patching file Makefile using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
done
===> Creating toolchain wrappers for randlib-1.3nb1
===> Configuring for randlib-1.3nb1
=> Checking for portability problems in extracted files