=> 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 R/igraph_1.2.1.tar.gz
=> Checksum RMD160 OK for R/igraph_1.2.1.tar.gz
=> Checksum SHA512 OK for R/igraph_1.2.1.tar.gz
===> Installing dependencies for R-igraph-1.2.1
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency R-magrittr-[0-9]*: found R-magrittr-1.5
=> Full dependency R-pkgconfig>=2.0.0: found R-pkgconfig-2.0.1
=> Full dependency R>=2.2.1nb2: found R-3.5.0
===> Overriding tools for R-igraph-1.2.1
===> Extracting for R-igraph-1.2.1
===> Patching for R-igraph-1.2.1
=> Applying pkgsrc patches for R-igraph-1.2.1
=> Verifying /data/pkgsrc/math/R-igraph/patches/patch-configure
=> Applying pkgsrc patch /data/pkgsrc/math/R-igraph/patches/patch-configure
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-configure,v 1.1 2018/05/24 22:25:17 minskim Exp $
|
|Portability fix.
|
|--- configure.orig	2018-03-10 12:30:50.000000000 +0000
|+++ configure
--------------------------
Patching file configure using Plan A...
Hunk #1 succeeded at 3499.
done
===> Creating toolchain wrappers for R-igraph-1.2.1
===> Configuring for R-igraph-1.2.1
=> Checking for portability problems in extracted files