Fix Windows build (#3)

* Specific no default and opaque type attempt

* Allow enums repr themselves

* OSX one thread, Windows GNU

* Trial MinGW

* Use ctor to call blosc2 init/destory in testing

.github/workflows/CI.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Build
         run: cargo build
       - name: Test
-        run: cargo test
+        run: cargo test -- --test-threads 1
 
   windows:
     runs-on: windows-latest
@@ -34,10 +34,16 @@ jobs:
           submodules: recursive
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: "x86_64-pc-windows-gnu"
+      - name: Set up MinGW
+        uses: egor-tensin/setup-mingw@v2
+        with:
+          platform: x64
       - name: Build
-        run: cargo build
+        run: cargo build --target x86_64-pc-windows-gnu
       - name: Test
-        run: cargo test
+        run: cargo test --target x86_64-pc-windows-gnu
 
   linux:
     runs-on: ubuntu-latest

Cargo.toml

@@ -10,3 +10,6 @@ name = "blosc2"
 
 [dependencies]
 blosc2-sys = { path = "blosc2-sys" }
+
+[dev-dependencies]
+ctor = "0.2.0"

blosc2-sys/build.rs

@@ -17,9 +17,12 @@ fn main() {
     println!("cargo:rustc-link-search={}/lib", lib.display());
     println!("cargo:rustc-link-lib=static=blosc2");
 
-    let out = PathBuf::from(&(format!("{}/src/ffi.rs", env!("CARGO_MANIFEST_DIR"))));
+    let out = PathBuf::from(&(format!("{}/bindings.rs", std::env::var("OUT_DIR").unwrap())));
     bindgen::Builder::default()
         .header(&format!("{}/include/blosc2.h", lib.display()))
+        .layout_tests(false)
+        .no_default("tagMONITORINFOEXA") // Windows specific, no default [u8;40usize]
+        .opaque_type("_IMAGE_TLS_DIRECTORY64") // Windows specific, error[E0588]: packed type cannot transitively contain a #[repr(align)] type
         .derive_default(true)
         .derive_copy(true)
         .derive_debug(true)