ci: bring back bare metal OS builds (#105)

Author: nabetti1720

.github/workflows/rustls-rustcrypto.yml

@@ -54,16 +54,18 @@ jobs:
           - 1.85.0 # MSRV
           - stable
         target:
-          # - armv7a-none-eabi
-          # - thumbv7em-none-eabi
+          - armv7a-none-eabi
+          - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
-      - run: cargo build --no-default-features --features tls12,alloc --release --target ${{ matrix.target }}
+      - env:
+          RUSTFLAGS: --cfg getrandom_backend="unsupported"
+        run: cargo build --no-default-features --features tls12,alloc --release --target ${{ matrix.target }}
 
   test:
     strategy:

Cargo.lock

@@ -40,9 +40,6 @@ sha2 = { version = "=0.11.0-rc.4", default-features = false }
 signature = { version = "3.0.0-rc.9", default-features = false }
 x25519-dalek = { version = "3.0.0-pre.5", default-features = false }
 
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-getrandom = { version = "=0.4.0-rc.1", default-features = false, features = ["wasm_js"] }
-
 [features]
 default = ["std", "tls12", "zeroize"]
 logging = ["rustls/logging"]