bpavuk.neocities.org
Advent of Code 2025, done in C++
build: `just run` defaults to release builds for higher runtime speeds
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Justfile
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Justfile
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default: sync build
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# Run this whenever you change build files. This generates the latest build config.
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# Run this whenever you change build files. This generates the latest build config (debug).
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sync:
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meson setup --reconfigure build/
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# Release config for running real inputs.
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sync-release:
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meson setup --reconfigure build-release/ --buildtype=release
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# Build everything Meson knows about.
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build:
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meson compile -C build/
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# Build release artifacts.
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build-release: sync-release
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meson compile -C build-release/
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# Run tests for a specific day. Defaults to today's day-of-month.
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test day=default_day: sync
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day=$(printf '%02d' "{{day}}"); meson test -C build "day${day}"
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# Run a day's solution on the "real" data set.
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run day=default_day: sync
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day=$(printf '%02d' "{{day}}"); meson compile -C build "run-day${day}"
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run day=default_day: sync-release
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day=$(printf '%02d' "{{day}}"); meson compile -C build-release "run-day${day}"
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# Clean the build folder. Useful... sometimes.
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clean:
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meson setup --wipe build/
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if [ -d build ]; then meson setup --wipe build/; fi
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if [ -d build-release ]; then meson setup --wipe build-release/; fi
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README.md
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README.md
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nix develop # optional if tooling is installed already; brings in clang/meson/just
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just # runs sync + build
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just test 5 # run tests for day 05
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just run # run today's solution on "real" data
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just run # run today's solution on "real" data (release build)
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```
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`just test`/`run` default to today's day-of-month; pass an explicit day to override. Meson owns the build/run logic; Just only wires day selection and delegates.
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`just test`/`run` default to today's day-of-month; pass an explicit day to override. `just run` uses a separate Meson release build dir (`build-release`); tests use the debug dir (`build`). Meson owns the build/run logic; Just only wires day selection and delegates.
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## Layout
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