WIP: python3.pkgs.scipy: Use pypaBuildHook to simplify meson arguments

pkgs/development/python-modules/scipy/default.nix

@@ -8,6 +8,7 @@
 , python
 , pythonOlder
 , buildPythonPackage
+, pypaBuildHook
 , cython
 , gfortran
 , meson-python
@@ -59,7 +60,7 @@ let
   '';
 in buildPythonPackage {
   inherit pname version;
-  format = "pyproject";
+  format = "other";
 
   src = fetchFromGitHub {
     owner = "scipy";
@@ -79,7 +80,7 @@ in buildPythonPackage {
     })
   ];
 
-  nativeBuildInputs = [ cython gfortran meson-python pythran pkg-config wheel ];
+  nativeBuildInputs = [ pypaBuildHook cython gfortran meson-python pythran pkg-config wheel ];
 
   buildInputs = [
     blas
@@ -110,32 +111,13 @@ in buildPythonPackage {
     "cp ${dpath} scipy-data/${d}.dat"
   ) datasets));
 
-  # We always run what's necessary for cross compilation, which is running
-  # meson with the proper cross compilation related arguments and then passing
-  # `builddir=build` to meson-python. See also:
+  # We always run what's necessary for cross compilation, which is passing to
+  # meson the proper cross compilation related arguments. See also:
   # https://meson-python.readthedocs.io/en/latest/how-to-guides/build-directory.html
-  mesonFlags = [
-    "-Dblas=${blas.pname}"
-    "-Dlapack=${lapack.pname}"
-    "--cross-file=${crossFileScipy}"
-  ];
-  # NOTE: meson-python team discourages this usage of builddir, but recommends
-  # to pass arguments to meson setup via:
-  #
-  #     --config-settings=setup-args="<meson-setup--options>"
-  #
-  # As noted here:
-  # https://meson-python.readthedocs.io/en/latest/how-to-guides/config-settings.html
-  # However, this requires pip > 23.0.1 which is not yet updated in Nixpkgs.
-  preBuild = ''
-    echo "Running meson setup"
-    mkdir -p build
-    # Thanks to meson.setupHook, $mesonFlags includes --cross-file flag that
-    # sets additional cross compilation properties needed for the build
-    meson setup $mesonFlags build
-  '';
-  pipBuildFlags = [
-    "--config-settings" "builddir=build"
+  pypaBuildFlags = [
+    "-Csetup-args=-Dblas=${blas.pname}"
+    "-Csetup-args=-Dlapack=${lapack.pname}"
+    "-Csetup-args=--cross-file=${crossFileScipy}"
   ];
 
   # disable stackprotector on aarch64-darwin for now