PineAPFEL/meson.build at main · QCDLab/PineAPFEL · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
project('pineapfel', 'cpp',
  version : '0.1.0',
  default_options : ['cpp_std=c++20', 'warning_level=2', 'optimization=3'],
)

# Dependencies
pineappl_dep = dependency('pineappl_capi', required : true)
yaml_cpp_dep = dependency('yaml-cpp', required : true)

# APFEL++ via apfelxx-config
apfelxx_config = find_program('apfelxx-config', required : true)

apfelxx_cflags = run_command(apfelxx_config, '--cflags', check : true).stdout().strip()
apfelxx_ldflags = run_command(apfelxx_config, '--ldflags', check : true).stdout().strip()

message('APFEL++ cflags: ' + apfelxx_cflags)
message('APFEL++ ldflags: ' + apfelxx_ldflags)

# Parse APFEL++ include dirs from cflags (-I flags)
apfelxx_inc_dirs = []
if apfelxx_cflags != ''
  foreach flag : apfelxx_cflags.split()
    if flag.startswith('-I')
      apfelxx_inc_dirs += include_directories(flag.substring(2))
    endif
  endforeach
endif

# Fallback: derive include dir from apfelxx-config location
if apfelxx_inc_dirs.length() == 0
  apfelxx_config_path = apfelxx_config.full_path()
  apfelxx_prefix = run_command('dirname', run_command('dirname', apfelxx_config_path, check : true).stdout().strip(), check : true).stdout().strip()
  apfelxx_inc_dirs += include_directories(apfelxx_prefix / 'include')
  message('APFEL++ include dirs (fallback): ' + apfelxx_prefix / 'include')
endif

# Parse APFEL++ link flags from ldflags
apfelxx_link_args = []
if apfelxx_ldflags != ''
  apfelxx_link_args = apfelxx_ldflags.split()
endif

apfelxx_dep = declare_dependency(
  include_directories : apfelxx_inc_dirs,
  link_args : apfelxx_link_args,
)

pineapfel_lib = static_library('pineapfel',
  'pineapfel/src/cards.cpp',
  'pineapfel/src/evolution.cpp',
  'pineapfel/src/fill.cpp',
  'pineapfel/src/grid_gen.cpp',
  'pineapfel/src/sidis_init.cpp',
  include_directories : include_directories('pineapfel/include'),
  dependencies : [pineappl_dep, yaml_cpp_dep, apfelxx_dep],
  install : true,
)

pineapfel_dep = declare_dependency(
  include_directories : include_directories('pineapfel/include'),
  link_with : pineapfel_lib,
  dependencies : [pineappl_dep, yaml_cpp_dep, apfelxx_dep],
)

executable('pineapfel-evolve',
  'pineapfel_cli/main.cpp',
  dependencies : pineapfel_dep,
  install : true,
)

executable('pineapfel-build',
  'pineapfel_cli/build.cpp',
  dependencies : pineapfel_dep,
  install : true,
)

executable('create-grid-example',
  'examples/create_grid.cpp',
  dependencies : pineapfel_dep,
  install : false,
)

test_grid_vs_apfelxx_exe = executable('test_grid_vs_apfelxx',
  'tests/test_grid_vs_apfelxx.cpp',
  'tests/sidis_helper.cpp',
  dependencies : pineapfel_dep,
)

test('grid_vs_apfelxx', test_grid_vs_apfelxx_exe,
  workdir : meson.source_root(),
)

executable('xscan_zm',
  'benchmarks/xscan_zm.cpp',
  'tests/sidis_helper.cpp',
  include_directories : [
    include_directories('pineapfel/include'),
    include_directories('tests'),
  ],
  dependencies : pineapfel_dep,
  install : false,
)

install_headers(
  'pineapfel/include/pineapfel/cards.h',
  'pineapfel/include/pineapfel/evolution.h',
  'pineapfel/include/pineapfel/fill.h',
  'pineapfel/include/pineapfel/grid_gen.h',
  'pineapfel/include/pineapfel/pineapfel.h',
  'pineapfel/include/pineapfel/sidis_api.h',
  subdir : 'pineapfel',
)

# ── Python bindings (optional) ────────────────────────────────────────────────
py_mod = import('python')
py     = py_mod.find_installation('python3', required : false)

if py.found()
  pybind11_inc = run_command(
    py, '-c', 'import pybind11; print(pybind11.get_include())',
    check : true,
  ).stdout().strip()

  py.extension_module('_pineapfel',
    'pineapfel_pyapi/src/_pineapfel.cpp',
    include_directories : [
      include_directories('pineapfel/include'),
      include_directories(pybind11_inc),
    ],
    dependencies : [pineappl_dep, yaml_cpp_dep, apfelxx_dep],
    link_with    : pineapfel_lib,
    install      : true,
    subdir       : 'pineapfel',
  )

  py.install_sources(
    'pineapfel_pyapi/pineapfel/__init__.py',
    subdir : 'pineapfel',
  )
endif