=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Bootstrap dependency fetch-[0-9]*: found fetch-1.8nb1
=> Checksum SHA1 OK for tree-1.6.0.tgz
=> Checksum RMD160 OK for tree-1.6.0.tgz
===> Installing dependencies for tree-1.6.0
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20100124
=> Tool dependency checkperms>=1.1: found checkperms-1.11
===> Overriding tools for tree-1.6.0
===> Extracting for tree-1.6.0
===> Patching for tree-1.6.0
=> Applying pkgsrc patches for tree-1.6.0
=> Verifying /usr/pkgsrc/sysutils/tree/patches/patch-Makefile
=> Applying pkgsrc patch /usr/pkgsrc/sysutils/tree/patches/patch-Makefile
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-Makefile,v 1.1 2013/04/10 10:46:26 wiz Exp $
|
|Fix build on systems lacking strverscmp.
|Remove -O4 (doesn't exist in most compilers).
|Fix DESTDIR.
|
|--- Makefile.orig	2011-06-24 14:25:27.000000000 +0000
|+++ Makefile
--------------------------
Patching file Makefile using Plan A...
Hunk #1 succeeded at 31.
Hunk #2 succeeded at 94.
done
===> Creating toolchain wrappers for tree-1.6.0
===> Configuring for tree-1.6.0
=> Checking for portability problems in extracted files