WIP transonic with pythran

fluidsim/base/time_stepping/meson.build

@@ -6,6 +6,31 @@ python_sources = [
   'simple.py',
 ]
 
+backend = get_option('deps_backend')
+if backend == 'pythran'
+  pythran = find_program('pythran', native: true)
+  run_command(['transonic', '-b', 'pythran', 'pseudo_spect.py', '-af', '-march=native -DUSE_XSIMD -Ofast'], check: true)
+  run_command(
+    [
+      'pythran', '-E', join_paths(meson.current_source_dir(), '__pythran__', 'pseudo_spect.py')
+    ]
+  )
+  # _pseudo_spect_pythran = custom_target(
+  #   'pseudo_spect_pythran',
+  #   output: ['pseudo_spect.cpp'],
+  #   input: 'pseudo_spect.py',
+  #   #command: ['transonic',  '@INPUT@', '-af', '-march=native -DUSE_XSIMD -Ofast']
+  #   command: [pythran, '-E', join_paths(meson.current_source_dir(), '__pythran__', 'pseudo_spect.py')]
+  # )
+
+  # _pseudo_spect_pythran = py3.extension_module(
+  #   'pseudo_spect',
+  #   _pseudo_spect_pythran,
+  #   install: true,
+  #   subdir: 'fluidsim/base/time_stepping',
+  # )
+endif
+
 py3.install_sources(
   python_sources,
   pure: false,

meson.build

@@ -1,5 +1,6 @@
 project(
   'fluidsim',
+  'cpp',
   version: '0.7.4',
   license: 'CeCILL',
   meson_version: '>= 1.1.0',
@@ -12,6 +13,7 @@ project(
 
 # https://mesonbuild.com/Python-module.html
 py_mod = import('python')
-py3 = py_mod.find_installation(pure: false)
+py3 = py_mod.find_installation('python3')
+py3_dep = py3.dependency()
 
 subdir('fluidsim')

meson.options

@@ -0,0 +1 @@
+option('deps_backend', type: 'string', value: 'pythran', description: 'pythran(default), cython, numpy, numba')

pyproject.toml

@@ -1,7 +1,7 @@
 [build-system]
 # Further build requirements - like pythran and mpi4py - come from setup.py via
 # the PEP 517 interface.
-requires = [ "meson-python>=0.15.0", "wheel", "numpy", "transonic", "pythran>=0.9.7", "cython"]
+requires = [ "meson-python>=0.15.0", "wheel", "numpy", "transonic", "pythran>=0.9.7", "cython", "setuptools"]
 build-backend = 'mesonpy'
 
 [project]