roll back to building with distutils

with PROPACK enabled however

recipe/build.sh

@@ -1,24 +1,8 @@
 #!/bin/bash
 set -ex
 
-mkdir builddir
+# Use the G77 ABI wrapper everywhere so that the underlying blas implementation
+# can have a G77 ABI (currently only MKL)
+export SCIPY_USE_G77_ABI_WRAPPER=1
 
-# HACK: extend $CONDA_PREFIX/meson_cross_file that's created in
-# https://github.com/conda-forge/ctng-compiler-activation-feedstock/blob/main/recipe/activate-gcc.sh
-# https://github.com/conda-forge/clang-compiler-activation-feedstock/blob/main/recipe/activate-clang.sh
-# to use host python; requires that [binaries] section is last in meson_cross_file
-echo "python = '${PREFIX}/bin/python'" >> ${CONDA_PREFIX}/meson_cross_file.txt
-
-# meson-python already sets up a -Dbuildtype=release argument to meson, so
-# we need to strip --buildtype out of MESON_ARGS or fail due to redundancy
-MESON_ARGS_REDUCED="$(echo $MESON_ARGS | sed 's/--buildtype release //g')"
-
-# -wnx flags mean: --wheel --no-isolation --skip-dependency-check
-$PYTHON -m build -w -n -x \
-    -Cbuilddir=builddir \
-    -Csetup-args=-Dblas=blas \
-    -Csetup-args=-Dlapack=lapack \
-    -Csetup-args=-Duse-g77-abi=true \
-    -Csetup-args=${MESON_ARGS_REDUCED// / -Csetup-args=} \
-    || (cat builddir/meson-logs/meson-log.txt && exit 1)
-pip install dist/scipy*.whl
+$PYTHON setup.py install --single-version-externally-managed --record=record.txt

recipe/meta.yaml

@@ -14,21 +14,10 @@ source:
   # the submodules (not in tarball due to dear-github/dear-github#214)
   - url: https://github.com/scipy/scipy/archive/refs/tags/v{{ version }}.tar.gz
     sha256: 8f08e1742c9b09eb58640fa5a56031d6e1844806899e883fbe7447ca86fe8c55
-    patches:
-      # backport https://github.com/scipy/scipy/pull/18006
-      - patches/0001-BLD-use-a-relative-path-to-numpy-pybind11-pythran-in.patch
-      # backport https://github.com/scipy/scipy/pull/18034
-      - patches/0002-BLD-avoid-running-run_command-py3-.-for-better-cross.patch
-      # backport https://github.com/scipy/scipy/pull/18263
-      - patches/0003-BUG-some-tweaks-to-PROPACK-f2py-wrapper-and-build-fl.patch  # [not win]
-      # backport https://github.com/scipy/scipy/pull/18264 (3 commits)
-      - patches/0004-MAINT-remove-from-numpy.math-cimport-usages.patch           # [not win]
-      - patches/0005-MAINT-sync-changes-to-npy_blas.h-and-npy_blas_base.h.patch  # [not win]
-      - patches/0006-BUG-include-npy_common.h-in-npy_cblas.h.patch               # [not win]
-      # backport https://github.com/scipy/scipy/pull/18426
-      - patches/0007-BLD-fix-two-regressions-for-Duse-g77-abi.patch              # [not win]
-      - patches/0008-Revert-MAINT-add-SCIPY_USE_PROPACK-env-variable-1636.patch
-      - patches/0009-Revert-MAINT-skip-complex128-propack-tests-on-window.patch
+   patches:
+      # re-enable PROPACK support
+      - patches/0001-Revert-MAINT-add-SCIPY_USE_PROPACK-env-variable-1636.patch
+      - patches/0002-Revert-MAINT-skip-complex128-propack-tests-on-window.patch
   # https://github.com/scipy/scipy/tree/v{{ version }}/scipy/_lib
   - git_url: https://github.com/scipy/boost-headers-only.git
     git_rev: 3af99e6d566043072e95bc882d32c9c26f37e0ba
@@ -54,10 +43,7 @@ requirements:
     - cython                                 # [build_platform != target_platform]
     - numpy                                  # [build_platform != target_platform]
     - pybind11                               # [build_platform != target_platform]
-    - meson-python                           # [build_platform != target_platform]
-    - cmake                                  # [build_platform != target_platform]
-    - ninja                                  # [build_platform != target_platform]
-    - pkg-config                             # [build_platform != target_platform]
+    - setuptools <60                         # [build_platform != target_platform]
     - {{ compiler('c') }}
     - {{ compiler('cxx') }}
     # pythran code needs clang-cl on windows
@@ -72,12 +58,8 @@ requirements:
     - libcblas
     - liblapack
     - python
-    - setuptools <60  # [win]
+    - setuptools <60
     - cython
-    - meson-python    # [unix]
-    - ninja           # [unix]
-    - pkg-config      # [unix]
-    - python-build    # [unix]
     - pybind11
     - pythran
     - numpy