Add sdist with --vendor-crates test on CI

Author: messense

.github/workflows/ci.yml

@@ -96,6 +96,16 @@ jobs:
           python -c "from namespace_package import rust; assert rust.rust_func() == 14"
           python -c "from namespace_package import python; assert python.python_func() == 15"
 
+      - name: Test sdist vendor Rust crates
+        shell: bash
+        run: |
+          cd examples/namespace_package
+          python setup.py sdist --vendor-crates
+          cd dist
+          tar -zxf namespace_package-0.1.0.tar.gz
+          cd namespace_package-0.1.0
+          cargo build --offline --target ${{ matrix.platform.rust-target  }}
+
   test-abi3:
     runs-on: ${{ matrix.os }}
     strategy:

examples/namespace_package/.cargo/config.toml

@@ -0,0 +1,11 @@
+[target.x86_64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-undefined",
+  "-C", "link-arg=dynamic_lookup",
+]
+
+[target.aarch64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-undefined",
+  "-C", "link-arg=dynamic_lookup",
+]