Advent of Code 2025, done in C++
bpavuk.neocities.org
1common_inc = include_directories('common')
2common_lib = static_library(
3 'aoc_common',
4 sources: files('common/istest.cxx', 'common/getinputpath.cxx'),
5 include_directories: common_inc,
6)
7
8day_list_cmd = run_command(
9 'python3',
10 '-c',
11 '''
12import os, sys
13root = sys.argv[1]
14for name in sorted(os.listdir(root)):
15 if name == 'common':
16 continue
17 path = os.path.join(root, name)
18 if os.path.isdir(path) and os.path.isfile(os.path.join(path, 'solution.cxx')):
19 print(name)
20''',
21 meson.current_source_dir(),
22 check: true,
23)
24
25day_dirs_raw = day_list_cmd.stdout().strip()
26day_dirs = []
27if day_dirs_raw != ''
28 day_dirs = day_dirs_raw.split('\n')
29endif
30
31foreach day : day_dirs
32 day_src = join_paths(day, 'solution.cxx')
33 day_data = join_paths(meson.project_source_root(), 'data', day)
34
35 day_exe = executable(
36 'day' + day,
37 sources: day_src,
38 include_directories: [common_inc],
39 link_with: common_lib,
40 cpp_args: ['-DDATA_FOLDER="@0@"'.format(day_data)],
41 )
42
43 test(
44 'day' + day,
45 day_exe,
46 args: ['--mode=test'],
47 env: {
48 'DATA_FOLDER': day_data,
49 'AOC_MODE': 'test',
50 },
51 )
52
53 run_target(
54 'run-day' + day,
55 command: day_exe,
56 env: {
57 'DATA_FOLDER': day_data,
58 'AOC_MODE': 'real',
59 },
60 )
61endforeach