Support cranelift backend on Windows (#1030)

Author: justsmth

.github/workflows/sys-bindings-generator.yml

@@ -283,6 +283,11 @@ jobs:
         working-directory: aws-lc-sys/src
         run: |
           sed 's/#\[link_name = "\\u{1}aws_lc_/#[link_name = "aws_lc_/g' universal_crypto.rs > universal_no_u1_crypto.rs
+      - name: Create prefixed bindings with the \u{1} stripped
+        if: matrix.os == 'ubuntu-latest'
+        working-directory: aws-lc-sys/src
+        run: |
+          sed 's/#\[link_name = "\\u{1}_aws_lc_/#[link_name = "aws_lc_/g' universal_prefixed_crypto.rs > universal_no_u1_prefixed_crypto.rs
       - name: Commit & Push changes
         run: ./scripts/ci/ci_add_commit_rebase_push.sh "Generated bindings from ${{ matrix.os }}"
   collect-src-and-commit:

.github/workflows/tests.yml

@@ -741,6 +741,8 @@ jobs:
             target: x86_64-unknown-linux-gnu
           - os: macos-latest
             target: aarch64-apple-darwin
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
     steps:
       - uses: actions/checkout@v4
         with:

aws-lc-sys/builder/main.rs

@@ -574,7 +574,11 @@ fn initialize() {
                         "Cranelift codegen backend detected. Using universal_no_u1 bindings.",
                     );
                 }
-                emit_rustc_cfg("universal-no-u1");
+                if target_has_prefixed_symbols() {
+                    emit_rustc_cfg("universal-no-u1-prefixed");
+                } else {
+                    emit_rustc_cfg("universal-no-u1");
+                }
             } else if target_has_prefixed_symbols() {
                 emit_rustc_cfg("universal-prefixed");
             } else {
@@ -708,6 +712,7 @@ fn prepare_cargo_cfg() {
         println!("cargo:rustc-check-cfg=cfg(x86_64_unknown_linux_musl)");
         println!("cargo:rustc-check-cfg=cfg(universal)");
         println!("cargo:rustc-check-cfg=cfg(universal_no_u1)");
+        println!("cargo:rustc-check-cfg=cfg(universal_no_u1_prefixed)");
         println!("cargo:rustc-check-cfg=cfg(universal_prefixed)");
     }
 }

aws-lc-sys/src/lib.rs

@@ -20,6 +20,7 @@ macro_rules! platform_binding {
 }
 
 platform_binding!(universal_prefixed, universal_prefixed_crypto);
+platform_binding!(universal_no_u1_prefixed, universal_no_u1_prefixed_crypto);
 platform_binding!(universal_no_u1, universal_no_u1_crypto);
 platform_binding!(universal, universal_crypto);