=> Bootstrap dependency digest>=20211023: found digest-20220214
WARNING: [license.mk] Every package should define a LICENSE.
=> Checksum BLAKE2s OK for mdiff231.zip
=> Checksum SHA512 OK for mdiff231.zip
===> Installing dependencies for MAMEDiff-2.31
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency gmake>=3.81: found gmake-4.4
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Full dependency DatLib>=2.20: found DatLib-2.36
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Overriding tools for MAMEDiff-2.31
===> Extracting for MAMEDiff-2.31
/bin/mkdir -p /tmp/emulators/MAMEDiff/work/obj
===> Patching for MAMEDiff-2.31
=> Applying pkgsrc patches for MAMEDiff-2.31
=> Verifying /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-aa
**************************************
Ignoring patch file /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-aa: invalid checksum
**************************************
=> Verifying /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ab
**************************************
Ignoring patch file /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ab: invalid checksum
**************************************
=> Verifying /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ac
**************************************
Ignoring patch file /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ac: invalid checksum
**************************************
=> Verifying /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ad
=> Applying pkgsrc patch /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ad
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-ad,v 1.2 2005/03/14 16:20:58 wiz Exp $
|
|--- src/generate.c.orig	2005-02-13 16:11:00.000000000 +0100
|+++ src/generate.c
--------------------------
Patching file src/generate.c using Plan A...
Hunk #1 succeeded at 15.
done
ERROR: Patching failed due to modified or broken patch file(s):
ERROR: 	/amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-aa
ERROR: 	/amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ab
ERROR: 	/amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff/patches/patch-ac
*** Error code 1

Stop.
make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff
*** Error code 1

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/emulators/MAMEDiff