Upgrade various things to newer versions.

.github/workflows/any-branch-uploads.yml

@@ -10,7 +10,7 @@ jobs:
     if: ${{ github.repository == 'p4lang/p4runtime' }}
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build spec
       run: |
         docker run -v `pwd`/docs/v1:/usr/src/p4-spec p4lang/p4rt-madoko:latest make

.github/workflows/ci-build-proto.yml

@@ -14,16 +14,16 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: [ubuntu-22.04, ubuntu-latest]
     env:
       BAZEL: bazelisk-linux-amd64
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: recursive
 
     - name: Mount bazel cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         # See https://docs.bazel.build/versions/master/output_directories.html
         path: "~/.cache/bazel"
@@ -33,12 +33,6 @@ jobs:
         restore-keys: |
           bazel-${{ runner.os }}-build-
 
-    - name: Install bazelisk
-      run: |
-        curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.15.0/$BAZEL"
-        chmod +x $BAZEL
-        sudo mv $BAZEL /usr/local/bin/bazel
-
     - name: Build proto/
       run: cd proto && bazel build //... && bazel test //...
 

.github/workflows/codegen.yml

@@ -14,7 +14,7 @@ jobs:
   check-codegen:
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Compile protobufs
       run: |
         docker build -t p4runtime-ci -f codegen/Dockerfile .

.github/workflows/main-branch-uploads.yml

@@ -10,7 +10,7 @@ jobs:
     if: ${{ github.repository == 'p4lang/p4runtime' }}
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # fetch all history for all branches and tags
         fetch-depth: 0

.github/workflows/spec.yml

@@ -14,15 +14,15 @@ jobs:
   madoko-lint:
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run linter
       run: |
         ./tools/madokolint.py docs/v1/P4Runtime-Spec.mdk
 
   build-spec:
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build spec
       run: |
         docker run -v `pwd`/docs/v1:/usr/src/p4-spec p4lang/p4rt-madoko:latest make

.github/workflows/tag-uploads.yml

@@ -12,7 +12,7 @@ jobs:
     env:
       TAG: ${{ github.ref_name }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # fetch all history for all branches and tags
         fetch-depth: 0

proto/.bazelrc

@@ -1,4 +1,5 @@
-# bazelrc file
+# Use C++17.
+build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17
 
-# C++14 required for recent gRPC versions
-build --cxxopt='-std=c++14'
+# Use Clang.
+build --action_env=CC=clang,CXX=clang++