From 04eaf70e19a1cf743b9e0f71b20f3b578986e063 Mon Sep 17 00:00:00 2001
From: ogiorgis <olivier.giorgis@logilab.fr>
Date: Mon, 18 Dec 2023 16:52:35 +0100
Subject: [PATCH] WIP: test with transonic meson backend

---
 .gitlab-ci.yml                          |  2 ++
 fluidsim/base/time_stepping/meson.build | 28 ++++++++++++-------------
 pyproject.toml                          | 12 +++++++++--
 3 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e3fa827f..f57782f0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,8 @@ variables:
 
 tests:
   image: fluiddyn/python3-stable:lastest
+  before-script:
+  - apt-get install -y mercurial
   script:
     - pip install -U pip tox --user
     - tox -e py39,py39-fft,codecov
diff --git a/fluidsim/base/time_stepping/meson.build b/fluidsim/base/time_stepping/meson.build
index 2248e2bf..14ad57d9 100644
--- a/fluidsim/base/time_stepping/meson.build
+++ b/fluidsim/base/time_stepping/meson.build
@@ -6,19 +6,19 @@ python_sources = [
   'simple.py',
 ]
 
-# backend = get_option('deps_backend')
-# if backend == 'pythran'
-#   pythran = find_program('pythran', native: true)
-#   # run_command(['transonic', '--meson', 'pseudo_spect.py'], check: true)
-#   # or
-#   # run_command(['transonic', 'pseudo_spect.py', '-af', '"-march=native -DUSE_XSIMD -Ofast"'])
-#   # run_command(
-#   #   [
-#   #     'pythran', '-E', join_paths(meson.current_source_dir(), '__pythran__', 'pseudo_spect.py'),
-#   #     '-o', join_paths(meson.current_source_dir(), '__pythran__', 'pseudo_spect.cpp')
-#   #   ]
-#   # )
-# endif
+backend = get_option('deps_backend')
+if backend == 'pythran'
+  pythran = find_program('pythran', native: true)
+  run_command(['transonic', '--meson', 'pseudo_spect.py'], check: true)
+  # # or
+  # run_command(['transonic', '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'),
+  #     '-o', join_paths(meson.current_source_dir(), '__pythran__', 'pseudo_spect.cpp')
+  #   ]
+  # )
+endif
 
 py3.install_sources(
   python_sources,
@@ -26,4 +26,4 @@ py3.install_sources(
   subdir: 'fluidsim/base/time_stepping'
 )
 
-#subdir('__pythran__')
+subdir('__pythran__')
diff --git a/pyproject.toml b/pyproject.toml
index ff8f81f9..a834a0b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,15 @@
 [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", "setuptools"]
+requires = [
+         "meson-python>=0.15.0",
+         "wheel",
+         "numpy",
+         "transonic@hg+https://foss.heptapod.net/fluiddyn/transonic@d169e827c66c",
+         "pythran>=0.9.7",
+         "cython",
+         "setuptools",
+         ]
 build-backend = 'mesonpy'
 
 [project]
@@ -21,7 +29,7 @@ dependencies = [
     "fluidsim-core>=0.7.4",
     "h5py",
     "h5netcdf",
-    "transonic@hg+https://foss.heptapod.net/fluiddyn/transonic",
+    "transonic@hg+https://foss.heptapod.net/fluiddyn/transonic@d169e827c66c",
     "xarray",
     "rich",
     "matplotlib>=3.3",