=> Bootstrap dependency digest>=20010302: found digest-20190127
WARNING: [license.mk] Every package should define a LICENSE.
=> Checksum SHA1 OK for scmxx-0.9.0.tar.bz2
=> Checksum RMD160 OK for scmxx-0.9.0.tar.bz2
=> Checksum SHA512 OK for scmxx-0.9.0.tar.bz2
===> Installing dependencies for scmxx-0.9.0nb1
=> Tool dependency gmake>=3.81: found gmake-4.2.1nb1
=> Tool dependency gettext-tools>=0.15: found gettext-tools-0.21nb1
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20151107
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency gettext-lib>=0.18: found gettext-lib-0.21
===> 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 scmxx-0.9.0nb1
===> Extracting for scmxx-0.9.0nb1
===> Patching for scmxx-0.9.0nb1
=> Applying pkgsrc patches for scmxx-0.9.0nb1
=> Verifying /opt/pkgsrc/comms/scmxx/patches/patch-aa
=> Applying pkgsrc patch /opt/pkgsrc/comms/scmxx/patches/patch-aa
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-aa,v 1.12 2006/03/11 16:29:25 wiz Exp $
|
|--- src/apoconv/apo_main.c.orig	2006-02-23 12:31:31.000000000 +0000
|+++ src/apoconv/apo_main.c
--------------------------
Patching file src/apoconv/apo_main.c using Plan A...
Hunk #1 succeeded at 73.
done
===> Creating toolchain wrappers for scmxx-0.9.0nb1
===> Configuring for scmxx-0.9.0nb1
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
=> Checking for portability problems in extracted files
checking build system type... aarch64-apple-darwin20
checking host system type... aarch64-apple-darwin20
checking for aarch64-apple-darwin20-gcc... clang
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether clang accepts -g... yes
checking for clang option to accept ANSI C... none needed
checking how to run the C preprocessor... clang -E
checking for aarch64-apple-darwin20-ld... no
checking for ld... ld
checking for a BSD-compatible install... /usr/bin/install -c -o sjmulder -g staff
checking for egrep... grep -E
checking for ANSI C header files... yes
checking whether time.h and sys/time.h may both be included... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking arpa/inet.h usability... yes
checking arpa/inet.h presence... yes
checking for arpa/inet.h... yes
checking whether byte ordering is bigendian... no
checking for cfmakeraw... yes
checking math.h usability... yes
checking math.h presence... yes
checking for math.h... yes
checking for log10 in -lm... yes
checking for log10... yes
checking for labs... yes
checking langinfo.h usability... yes
checking langinfo.h presence... yes
checking for langinfo.h... yes
checking for nl_langinfo... yes
checking getopt.h usability... yes
checking getopt.h presence... yes
checking for getopt.h... yes
checking for library containing getopt_long... none required
checking iconv.h usability... yes
checking iconv.h presence... yes
checking for iconv.h... yes
checking for libiconv in -liconv... no
checking for iconv... no
configure: error: You need to get libiconv or a newer GNU libc.
*** Error code 1

Stop.
bmake[1]: stopped in /opt/pkgsrc/comms/scmxx
*** Error code 1

Stop.
bmake: stopped in /opt/pkgsrc/comms/scmxx