Support x86 PerformanceAPI

.github/workflows/ci.yml

@@ -46,11 +46,25 @@ jobs:
         with:
           toolchain: stable
           override: true
+      # When under Windows, add the x86 target as well.
+      - if: runner.os == 'Windows'
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: i686-pc-windows-msvc
+          override: true
 
-      - name: cargo build
+      - name: cargo test
         uses: actions-rs/cargo@v1
         with:
           command: test
+      # When under Windows, run with the x86 target as well.
+      - if: runner.os == 'Windows'
+        name: cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --target i686-pc-windows-msvc
 
   example:
     name: Example
@@ -64,15 +78,36 @@ jobs:
         with:
           toolchain: stable
           override: true
+      # When under Windows, add the x86 target as well.
+      - if: runner.os == 'Windows'
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: i686-pc-windows-msvc
+          override: true
 
       - name: cargo build
         uses: actions-rs/cargo@v1
         with:
           command: build
           args: --release
+      # When under Windows, build with the x86 target as well.
+      - if: runner.os == 'Windows'
+        name: cargo build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --target i686-pc-windows-msvc --release
 
       - name: run example
         uses: actions-rs/cargo@v1
         with:
           command: run
           args: --release --example basic
+      # When under Windows, run with the x86 target as well.
+      - if: runner.os == 'Windows'
+        name: run example
+        uses: actions-rs/cargo@v1
+        with:
+          command: run
+          args: --target i686-pc-windows-msvc --release --example basic

sys/build.rs

@@ -1,5 +1,7 @@
+use std::env;
+
 fn runtime() -> &'static str {
-    if std::env::var("CARGO_CFG_TARGET_FEATURE")
+    if env::var("CARGO_CFG_TARGET_FEATURE")
         .unwrap_or_default()
         .contains("crt-static")
     {
@@ -9,10 +11,19 @@ fn runtime() -> &'static str {
     }
 }
 
+fn arch() -> &'static str {
+    if env::var("CARGO_CFG_TARGET_ARCH").as_deref() == Ok("x86") {
+        "x86"
+    } else {
+        "x64"
+    }
+}
+
 fn main() {
     println!(
-        "cargo:rustc-link-search={}/external/lib/x64/",
-        std::env!("CARGO_MANIFEST_DIR")
+        "cargo:rustc-link-search={}/external/lib/{}/",
+        std::env!("CARGO_MANIFEST_DIR"),
+        arch(),
     );
     println!("cargo:rustc-link-lib=PerformanceAPI_{}", runtime());
 }