This builds the 10-bit and 12-bit versions of x265 as static
libraries, which then get linked into the 8-bit dynamic library and
executable. This causes x265 to default to 8-bit, but make 10- and
12-bit available to callers that use introspection, such as ffmpeg.
$ x265 -V
x265 [info]: HEVC encoder version 3.2
x265 [info]: build info [Linux][GCC 9.3.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
$ ffmpeg -h encoder=libx265
[...]
Supported pixel formats: yuv420p yuvj420p yuv422p yuvj422p yuv444p yuvj444p gbrp yuv420p10le yuv422p10le yuv444p10le gbrp10le yuv420p12le yuv422p12le yuv444p12le gbrp12le gray gray10le gray12le
Inspired by @codyopel's comment on #80405.
numpy has added hypothesis as a dependency for running property-based
tests:
https://github.com/numpy/numpy/pull/15189
However, hypothesis is not an input of the derivations. And thus tests
have been failing with:
ERROR .. - ModuleNotFoundError: No module named 'hypothesis'
https://hydra.nixos.org/build/124613306/nixlog/1
This change adds hypothesis to checkInputs, so that tests are run
again.
Turns out lot of software (including Chromium) use bundled fontconfig
so we either need to wrap every one of those, or re-introduce the global unversioned config.
The latter is easier but weakens hermetic configs. But perhaps those are not really worth the effort.
Since systemd 243, docs were already steering users towards using
`journal`:
eedaf7f322
systemd 246 will go one step further, it shows warnings for these units
during bootup, and will [automatically convert these occurences to
`journal`](f3dc6af20f):
> [ 6.955976] systemd[1]: /nix/store/hwyfgbwg804vmr92fxc1vkmqfq2k9s17-unit-display-manager.service/display-manager.service:27: Standard output type syslog is obsolete, automatically updating to journal. Please update│······················
your unit file, and consider removing the setting altogether.
So there's no point of keeping `syslog` here, and it's probably a better
idea to just not set it, due to:
> This setting defaults to the value set with DefaultStandardOutput= in
> systemd-system.conf(5), which defaults to journal.
