Run tests on multiple platforms and fix windows MPIR issue

.github/workflows/rust.yml

@@ -32,16 +32,11 @@ jobs:
           cd rust_bindings
           cargo fuzz list | xargs -I "%" sh -c "cargo +nightly fuzz run % -- -max_total_time=600 || exit 255"
 
-  build_crate:
-    name: Build crate
+  lint:
+    name: Lint
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
 
       - name: Set up Rust
         uses: dtolnay/rust-toolchain@stable
@@ -54,14 +49,86 @@ jobs:
       - name: Clippy
         run: cargo clippy
 
+  test:
+    name: Test (${{ matrix.os.name }} ${{ matrix.arch.name }})
+    runs-on: ${{ matrix.os.runs-on[matrix.arch.matrix] }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - name: macOS
+            matrix: macos
+            runs-on:
+              arm: [macos-13-arm64]
+              intel: [macos-13]
+            cibw-archs-macos:
+              arm: arm64
+              intel: x86_64
+          - name: Ubuntu
+            matrix: ubuntu
+            runs-on:
+              arm: [Linux, ARM64]
+              intel: [ubuntu-latest]
+          - name: Windows
+            matrix: windows
+            runs-on:
+              intel: [windows-latest]
+
+        arch:
+          - name: ARM
+            matrix: arm
+          - name: Intel
+            matrix: intel
+
+        exclude:
+          - os:
+              name: Windows
+              matrix: windows
+              runs-on:
+                intel: [windows-latest]
+            arch:
+              name: ARM
+              matrix: arm
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: MacOS - GMP library path
+        if: matrix.os.name == 'macOS'
+        run: echo "LIBRARY_PATH=/opt/homebrew/lib:$LIBRARY_PATH" >> $GITHUB_ENV
+
+      - name: Windows - Download MPIR
+        if: matrix.os.name == 'Windows'
+        run: git clone https://github.com/Chia-Network/mpir_gc_x64.git
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+
       - name: Tests
         run: cargo test && cargo test --release
 
+  build_crate:
+    name: Build crate
+    needs: [lint, test]
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+
       - name: Build
         run: cargo build --release
 
       - name: Prepare for publish
-        run: cp -r src rust_bindings/cpp
+        run: |
+          cd rust_bindings
+          cp -r ../src cpp
+          git clone https://github.com/Chia-Network/mpir_gc_x64.git
 
       - name: Publish to crates.io (dry run)
         # We use `--allow-dirty` because the `cpp` folder is copied into the working directory.

rust_bindings/build.rs

@@ -1,6 +1,5 @@
 use std::env;
 use std::path::PathBuf;
-use std::str::FromStr;
 
 use cmake::Config;
 
@@ -27,18 +26,48 @@ fn main() {
         .define("BUILD_PYTHON", "OFF")
         .build();
 
-    println!(
-        "cargo:rustc-link-search=native={}",
-        PathBuf::from_str(dst.display().to_string().as_str())
-            .unwrap()
-            .join("build")
-            .join("lib")
-            .join("static")
-            .to_str()
-            .unwrap()
-    );
     println!("cargo:rustc-link-lib=static=chiavdfc");
-    println!("cargo:rustc-link-lib=gmp");
+
+    if cfg!(target_os = "windows") {
+        let build_type = if cfg!(debug_assertions) {
+            "Debug"
+        } else {
+            "Release"
+        };
+
+        println!(
+            "cargo:rustc-link-search=native={}",
+            dst.join("build")
+                .join("lib")
+                .join("static")
+                .join(build_type)
+                .to_str()
+                .unwrap()
+        );
+
+        println!(
+            "cargo:rustc-link-search=native={}",
+            src_dir
+                .parent()
+                .unwrap()
+                .join("mpir_gc_x64")
+                .to_str()
+                .unwrap()
+        );
+
+        println!("cargo:rustc-link-lib=static=mpir");
+    } else {
+        println!(
+            "cargo:rustc-link-search=native={}",
+            dst.join("build")
+                .join("lib")
+                .join("static")
+                .to_str()
+                .unwrap()
+        );
+
+        println!("cargo:rustc-link-lib=gmp");
+    }
 
     let bindings = bindgen::Builder::default()
         .header(manifest_dir.join("wrapper.h").to_str().unwrap())