=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for gst-plugins-bad-1.24.9.tar.xz
=> Checksum SHA512 OK for gst-plugins-bad-1.24.9.tar.xz
===> Installing dependencies for gst-plugins1-x265-1.24.9nb1
==========================================================================
The following variables will affect the build process of this package,
gst-plugins1-x265-1.24.9nb1.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 312

Based on these variables, the following variables have been set:

        * PYPACKAGE = python312

You may want to abort the process now with CTRL-C and change the value
of variables in the first group before continuing.  Be sure to run
`/usr/bin/make clean' after the changes.
==========================================================================
=> Tool dependency meson>=0: found meson-1.6.0nb1
=> Tool dependency python312>=3.12: found python312-3.12.7nb3
=> Tool dependency glib2-tools-[0-9]*: found glib2-tools-2.82.2
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency pkgconf-[0-9]*: found pkgconf-2.3.0
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Full dependency gst-plugins1-base>=1.22.4nb1: found gst-plugins1-base-1.24.9
=> Full dependency gstreamer1>=1.22.4nb1: found gstreamer1-1.24.9
=> Full dependency x265>=4.1: found x265-4.1
===> 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 gst-plugins1-x265-1.24.9nb1
===> Extracting for gst-plugins1-x265-1.24.9nb1
===> Patching for gst-plugins1-x265-1.24.9nb1
=> Applying pkgsrc patches for gst-plugins1-x265-1.24.9nb1
===> Creating toolchain wrappers for gst-plugins1-x265-1.24.9nb1
===> Configuring for gst-plugins1-x265-1.24.9nb1
/usr/bin/awk -f /usr/pkgsrc/multimedia/gst-plugins1-x265/../../multimedia/gst-plugins1-base/files/only-build-extensions.awk  -v basedir=ext  /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9/meson.build > /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9/meson.build.new
mv -f /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9/meson.build.new /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9/meson.build
Traceback (most recent call last):
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/mesonmain.py", line 193, in run
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/msetup.py", line 365, in run
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/msetup.py", line 188, in generate
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/msetup.py", line 210, in _generate
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreter/interpreter.py", line 322, in __init__
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 129, in parse_project
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 195, in evaluate_codeblock
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 187, in evaluate_codeblock
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 201, in evaluate_statement
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/interpreterbase.py", line 528, in function_call
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/decorators.py", line 237, in wrapper
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreterbase/decorators.py", line 556, in wrapper
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreter/interpreter.py", line 1325, in func_project
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/interpreter/interpreter.py", line 1140, in set_backend
  File "/usr/pkg/lib/python3.12/site-packages/mesonbuild/backend/backends.py", line 219, in get_backend_from_name
ImportError: cannot import name 'ninjabackend' from 'mesonbuild.backend' (/usr/pkg/lib/python3.12/site-packages/mesonbuild/backend/__init__.py)
The Meson build system
Version: 1.6.0
Source dir: /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9
Build dir: /pbulk/work/multimedia/gst-plugins1-x265/work/gst-plugins-bad-1.24.9/output
Build type: native build
Project name: gst-plugins-bad
Project version: 1.24.9
C compiler for the host machine: gcc (gcc 7.5.0 "gcc (nb4 20200810) 7.5.0")
C linker for the host machine: gcc ld.bfd 2.31.1
C++ compiler for the host machine: c++ (gcc 7.5.0 "g++ (nb4 20200810) 7.5.0")
C++ linker for the host machine: c++ ld.bfd 2.31.1

meson.build:1:0: ERROR: Unhandled python exception

    This is a Meson bug and should be reported!
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/multimedia/gst-plugins1-x265
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/multimedia/gst-plugins1-x265