Merge #24: Build and test wasm on MacOS in CI

149d686 Build and test wasm on MacOS in CI (rishflab)

Pull request description:

ACKs for top commit:
  jonasnick:
    ACK 149d686

Tree-SHA512: a7a8f414912d2b03cc3a0a328fa33b0f0e3948694b39d5ebefb66b361ca58ec50a2909e82902ae2f1bc737d5305bc8628f0e4aab2e1681203cb23faf6dd6f506

Author: jonasnick

.github/workflows/rust.yml

@@ -29,21 +29,29 @@ jobs:
           DO_BENCH: true
         run: ./contrib/test.sh
 
-  wasm_pack:
+  wasm:
     name: Stable - Docs / WebAssembly Build
-    runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust:
-          - stable
+        target: [ x86_64-unknown-linux-gnu, x86_64-apple-darwin ]
+        include:
+          - target: x86_64-unknown-linux-gnu
+            os: ubuntu-latest
+            cc: clang-12
+            ar: ar
+          - target: x86_64-apple-darwin
+            os: macos-latest
+            cc: /usr/local/opt/llvm/bin/clang
+            ar: /usr/local/opt/llvm/bin/llvm-ar
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Crate
         uses: actions/checkout@v2
       - name: Checkout Toolchain
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: ${{ matrix.rust }}
+          toolchain: stable
           override: true
       - name: Building docs
         env:
@@ -54,18 +62,10 @@ jobs:
       - name: Running WASM build
         env:
           DO_WASM: true
+          CC: ${{ matrix.cc }}
+          AR: ${{ matrix.ar }}
         run: ./contrib/test.sh
 
-  build_wasm:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          target: wasm32-unknown-unknown
-      - run: cargo build --target wasm32-unknown-unknown --features global-context,use-serde,use-rand
-
   Tests:
     name: Tests
     strategy:

Cargo.toml

@@ -45,3 +45,6 @@ bitcoin_hashes = "0.9"
 [target.wasm32-unknown-unknown.dev-dependencies]
 wasm-bindgen-test = "0.3"
 rand = { version = "0.6", features = ["wasm-bindgen"] }
+
+[lib]
+crate-type = ["cdylib", "rlib"]

contrib/test.sh

@@ -53,8 +53,8 @@ fi
 # Webassembly stuff
 if [ "$DO_WASM" = true ]; then
     clang --version &&
-    CC=clang-9 wasm-pack build &&
-    CC=clang-9 wasm-pack test --node;
+    wasm-pack build &&
+    wasm-pack test --node;
 fi
 
 # Address Sanitizer