Maturin: adds a cross-compilation smoke test (#312)

examples/rust-uv-project/.kraken.py

@@ -1,12 +1,22 @@
 import os
 
-from kraken.std import python
+from kraken.build import project
+from kraken.std import python, cargo
+from kraken.std.python.buildsystem.maturin import MaturinZigTarget
 
-python.python_settings(always_use_managed_env=True).add_package_index(
+settings = python.python_settings(always_use_managed_env=True).add_package_index(
     alias="local",
     index_url=os.environ["LOCAL_PACKAGE_INDEX"],
     credentials=(os.environ["LOCAL_USER"], os.environ["LOCAL_PASSWORD"]),
 )
 python.install()
 python.mypy(version_spec="==1.10.0")
+settings.build_system.enable_zig_build(targets=[
+    MaturinZigTarget(target="x86_64-unknown-linux-gnu", zig_features=[]),
+    MaturinZigTarget(
+        target="x86_64-pc-windows-msvc",
+        zig_features=["pyo3/generate-import-lib"],
+    ),
+])
 python.publish(package_index="local", distributions=python.build(as_version="0.1.0").output_files)
+project.task("python.build").depends_on(cargo.rustup_target_add("x86_64-pc-windows-msvc"))

examples/rust-uv-project/pyproject.toml

@@ -6,5 +6,5 @@ authors = []
 requires-python = ">=3.9"
 
 [build-system]
-requires = ["maturin~=1.0"]
+requires = ["maturin[zig]~=1.0"]
 build-backend = "maturin"