=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for libyang/v1.0.184.tar.gz
=> Checksum RMD160 OK for libyang/v1.0.184.tar.gz
=> Checksum SHA512 OK for libyang/v1.0.184.tar.gz
===> Installing dependencies for libyang-1.0.184
=> Tool dependency cmocka>=1.1.5: found cmocka-1.1.5
=> Tool dependency cmake>=2.8.1nb1: found cmake-3.19.2
=> Tool dependency nbpatch-[0-9]*: found nbpatch-20151107
=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.7.3
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency pcre>=8.30nb1: found pcre-8.44
===> 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 libyang-1.0.184
===> Extracting for libyang-1.0.184
===> Patching for libyang-1.0.184
=> Applying pkgsrc patches for libyang-1.0.184
=> Verifying /opt/pkgsrc/devel/libyang/patches/patch-compat_compat.h.in
=> Applying pkgsrc patch /opt/pkgsrc/devel/libyang/patches/patch-compat_compat.h.in
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-compat_compat.h.in,v 1.1 2020/12/10 16:25:19 kardel Exp $
|
|	NetBSD already defines bswap64.
|
|--- compat/compat.h.in.orig	2020-10-10 06:19:45.124141482 +0000
|+++ compat/compat.h.in
--------------------------
Patching file compat/compat.h.in using Plan A...
Hunk #1 succeeded at 44.
Hunk #2 succeeded at 63.
done
===> Creating toolchain wrappers for libyang-1.0.184
===> Configuring for libyang-1.0.184
/bin/mkdir -p /opt/work/devel/libyang/work/libyang-1.0.184/_build
=> Fixing CMAKE_MODULE_PATH in CMakeLists.txt
=> Checking for portability problems in extracted files
-- The C compiler identification is AppleClang 12.0.0.12000032
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /opt/work/devel/libyang/work/.cwrapper/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Found FLEX: /usr/bin/flex (found version "2.5.35") 
-- Found BISON: /usr/bin/bison (found version "2.3") 
-- Looking for vdprintf
-- Looking for vdprintf - found
-- Looking for asprintf
-- Looking for asprintf - not found
-- Looking for vasprintf
-- Looking for vasprintf - not found
-- Looking for get_current_dir_name
-- Looking for get_current_dir_name - not found
-- Looking for strndup
-- Looking for strndup - found
-- Looking for getline
-- Looking for getline - found
-- Check if the system is big endian
-- Searching 16 bit integer
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of unsigned short
-- Check size of unsigned short - done
-- Searching 16 bit integer - Using unsigned short
-- Check if the system is big endian - little endian
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE  
-- Found PCRE: /opt/pkg/lib/libpcre.dylib  
-- Found PkgConfig: /opt/work/devel/libyang/work/.tools/bin/pkg-config (found version "1.7.3") 
-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE) 
-- Missing tools (devscripts, debhelper package) for building DEB package.
-- Missing tools (rpm package) for building RPM package.
-- Configuring done
-- Generating done
-- Build files have been written to: /opt/work/devel/libyang/work/libyang-1.0.184/_build
=> Rewrite cmake Dependencies files