Use clang.

Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>

Author: mathetake

.bazelrc

@@ -1,4 +1,6 @@
 build --enable_platform_specific_config
+build --action_env=CC=clang
+build --action_env=CXX=clnag++
 
 build:linux --cxxopt=-std=c++17
 # See https://bytecodealliance.github.io/wasmtime/c-api/

.github/workflows/cpp.yml

@@ -69,7 +69,7 @@ jobs:
       uses: actions/cache@v1
       with:
         path: "/home/runner/.cache/bazel"
-        key: bazel-${{ matrix.runtime }}-
+        key: bazel-${{ matrix.runtime }}-clang
 
     - name: Test
       run: |