Meson!

.gitignore

@@ -113,6 +113,7 @@ output/
 # Transonic
 __pythran__
 __numba__
+__python__
 
 # PDM
 .pdm-python

Makefile

@@ -7,3 +7,9 @@ lock:
 
 test:
 	pdm test
+
+build_doc:
+	nox -s doc -R
+
+test_in_nox_env:
+	nox -s test

meson.build

@@ -0,0 +1,67 @@
+project(
+  'pylandstats',
+  'cpp',
+  license: 'GPL-3.0-or-later',
+  meson_version: '>= 1.1.0',
+  default_options: [
+    'buildtype=release',
+    'cpp_std=c++11',
+  ],
+)
+
+# https://mesonbuild.com/Python-module.html
+py_mod = import('python')
+py = py_mod.find_installation('python3', pure: false)
+py_dep = py.dependency()
+
+backend = get_option('transonic-backend')
+
+if backend.contains(',')
+    backends = backend.split(',')
+else
+    backends = [backend]
+endif
+
+use_pythran = backend.contains('pythran')
+if use_pythran
+  incdir_numpy = run_command('transonic-get-include', 'numpy', check: true).stdout().strip()
+  inc_np = include_directories(incdir_numpy)
+  np_dep = declare_dependency(include_directories: inc_np)
+
+  incdir_pythran = run_command('transonic-get-include', 'pythran', check: true).stdout().strip()
+  pythran = find_program('pythran', native: true)
+
+  cpp_args_pythran = [
+    '-DENABLE_PYTHON_MODULE',
+    '-D__PYTHRAN__=3',
+    '-DPYTHRAN_BLAS_NONE'
+  ]
+
+  if get_option('use-xsimd') == true
+    # xsimd is unvendored from pythran by conda-forge, and due to a compiler
+    # activation bug the default <prefix>/include/ may not be visible (see
+    # gh-15698). Hence look for xsimd explicitly.
+    xsimd_dep = dependency('xsimd', required: false)
+    pythran_dep = declare_dependency(
+      include_directories: incdir_pythran,
+      dependencies: xsimd_dep,
+    )
+    cpp_args_pythran += ['-DUSE_XSIMD']
+  else
+    pythran_dep = declare_dependency(
+      include_directories: incdir_pythran,
+    )
+  endif
+
+  pythran_complex_hook = get_option('pythran-complex-hook')
+  if pythran_complex_hook == 'os-dependent'
+    pythran_complex_hook = host_machine.system() == 'linux'
+  endif
+
+  if get_option('native')
+    cpp_args_pythran += ['-march=native', '-Ofast']
+  endif
+
+endif
+
+subdir('pylandstats')

meson.options

@@ -0,0 +1,27 @@
+option(
+    'transonic-backend',
+    type: 'string',
+    value: 'pythran,python,numba',
+    description:
+      'pythran,python,numba (default), cython, numpy, numba; ' +
+      'or comma separated value representing multi-backends',
+)
+option(
+    'native',
+    type: 'boolean',
+    value: false,
+    description: 'Performance oriented and not portable build',
+)
+option(
+    'use-xsimd',
+    type: 'boolean',
+    value: true,
+    description: 'Turns on xsimd vectorization',
+)
+option(
+    'pythran-complex-hook',
+    type: 'combo',
+    choices: ['os-dependent', 'true', 'false'],
+    value: 'os-dependent',
+    description: 'Pythran complex_hook option',
+)

noxfile.py

@@ -1,4 +1,4 @@
-"""Task runner for the developer
+"""Task runner for the developer.
 
 # Usage
 
@@ -20,23 +20,34 @@
 
 @nox.session
 def doc(session):
-    command = "pdm sync --clean -G doc"
+    """Build the documentation in a Nox environment."""
+    command = "pdm sync --clean -G doc --no-self"
     session.run_install(*command.split(), external=True)
+
+    # for documentation, we don't need the other backends
+    command = "pip install . -C setup-args=-Dtransonic-backend=python"
+    session.run_install(*command.split(), external=True)
+
     session.run("sphinx-build", "docs", "docs/_build")
+    print(f"file://{os.getcwd()}/docs/_build/index.html")
 
 
 @nox.session
 def wheel(session):
+    """Build the wheel."""
     session.install("build", "twine")
     session.run("python", "-m", "build")
     session.run("twine", "check", "dist/*")
 
 
 @nox.session
 def test(session):
-    command = "pdm sync --clean -G test"
+    """Run the test in a Nox environment."""
+    command = "pdm sync --clean --prod -G test --no-self"
     session.run_install(*command.split(), external=True)
 
+    session.install(".", "--no-deps", external=True)
+
     session.run(
         "pytest",
         "-v",