Add OSX CI

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b64b7c09c5d4b6e6b20500bfdaa0487be3965a1c..bf89b9f197f75533ddd074dfa3f8d2478c900c43 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,3 +48,46 @@ jobs:
             git diff --exit-code
           fi
 
+  osx:
+    strategy:
+      matrix:
+        include:
+          - platform: macos-10.15
+          - platform: macos-11
+    runs-on: ${{ matrix.platform }}
+    env:
+      TOOLCHAIN: stable
+    steps:
+      - name: Install other Rust platforms
+        run: rustup target install aarch64-apple-darwin
+      - name: Cache upstream LLVM/clang
+        id: cache-llvm
+        uses: actions/cache@v2
+        with:
+          path: clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
+          key: clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
+      - name: Fetch upstream LLVM/clang snapshot
+        if: steps.cache-llvm.outputs.cache-hit != 'true'
+        run: |
+          wget -O clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
+          if [ "$(shasum -a 256 clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz | awk '{ print $1 }')" != "7bc2259bf75c003f644882460fc8e844ddb23b27236fe43a2787870a4cd8ab50" ]; then
+            echo "Bad hash"
+            exit 1
+          fi
+      - name: Unpack upstream LLVM+clang and use it by default
+        run: |
+          tar xvvf clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
+      - name: Checkout source code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Install cbindgen
+        run: cargo install --force cbindgen
+      - name: Checkout Rust-Lightning git
+        run: git clone https://github.com/rust-bitcoin/rust-lightning
+      - name: Rebuild bindings using Apple clang, and check the sample app builds + links
+        run: ./genbindings.sh ./rust-lightning true
+      - name: Rebuild bindings using upstream clang, and check the sample app builds + links
+        run: |
+          export PATH=`pwd`/clang+llvm-12.0.0-x86_64-apple-darwin/bin:$PATH
+          CC=clang ./genbindings.sh ./rust-lightning true