Migrate from TravisCI to GitHub actions

We are now able to build against Mac and Windows.
But, mainly, see:
https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing
https://docs.travis-ci.com/user/migrate/open-source-on-travis-ci-com/

.github/workflows/build.yml

@@ -0,0 +1,142 @@
+name: Test Build
+on:
+  push:
+  schedule:
+    - cron: '0 0 * * 0' # Every Sunday at 00:00
+jobs:
+  distcheck:
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-20.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Linux dependencies
+        if: startsWith(matrix.os, 'ubuntu')
+        run: sudo apt-get install -y protobuf-compiler libprotobuf-dev libprotoc-dev
+      - name: Install Mac dependencies
+        if: startsWith(matrix.os, 'macos')
+        run: brew install protobuf automake
+      - name: Run distcheck
+        run: |
+          ./autogen.sh
+          ./configure
+          make -j${nproc} distcheck VERBOSE=1
+
+  distcheck-multiarch:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        include:
+          - arch: armv7
+          - arch: aarch64
+          - arch: s390x
+          - arch: ppc64le
+    steps:
+      - uses: actions/checkout@v2
+      - uses: uraimo/run-on-arch-action@v2.0.9
+        name: Install dependencies and run distcheck
+        id: runcmd
+        with:
+          arch: ${{ matrix.arch }}
+          githubToken: ${{ github.token }}
+          distro: ubuntu20.04
+          install: |
+            apt-get update -q -y
+            apt-get install -q -y build-essential autoconf automake libtool pkg-config
+            apt-get install -q -y protobuf-compiler libprotobuf-dev libprotoc-dev
+
+          run: |
+            ./autogen.sh
+            ./configure
+            make -j3 distcheck VERBOSE=1
+
+  valgrind:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: sudo apt-get install -y protobuf-compiler libprotobuf-dev libprotoc-dev valgrind
+      - name: Run distcheck with valgrind
+        run: |
+          ./autogen.sh
+          ./configure --enable-valgrind-tests CFLAGS="-fsanitize=undefined -fno-sanitize-recover=undefined"
+          make -j${nproc} distcheck DISTCHECK_CONFIGURE_FLAGS="--enable-valgrind-tests CFLAGS=\"-fsanitize=undefined -fno-sanitize-recover=undefined\"" VERBOSE=1
+
+  coverage:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: sudo apt-get install -y protobuf-compiler libprotobuf-dev libprotoc-dev lcov
+      - name: Run coverage build
+        run: |
+          ./autogen.sh
+          ./configure --enable-code-coverage
+          make -j${nproc}
+          mkdir coverage
+          lcov --no-external --capture --initial --directory . --output-file ./coverage/lcov.info --include '*protobuf-c.c'
+          make check
+          lcov --no-external --capture --directory . --output-file ./coverage/lcov.info --include '*protobuf-c.c'
+      - uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  cmake:
+    strategy:
+      matrix:
+        build_type: [Debug, Release]
+        os: [macos-latest, ubuntu-20.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Linux dependencies
+        if: startsWith(matrix.os, 'ubuntu')
+        run: sudo apt-get install -y protobuf-compiler libprotobuf-dev libprotoc-dev
+      - name: Install Mac dependencies
+        if: startsWith(matrix.os, 'macos')
+        run: brew install protobuf
+      - name: Run cmake tests
+        run: |
+          mkdir build-cmake/bin
+          cd build-cmake/bin
+          cmake -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DBUILD_TESTS=ON -DCMAKE_INSTALL_PREFIX=protobuf-c-bin ../
+          make -j3
+          make test
+          make install
+
+  cmake-msvc:
+    strategy:
+      matrix:
+        build-type: [Debug, Release]
+        shared-lib: [ON, OFF]
+    name: "MSVC CMake (${{ matrix.build-type }}, DLL: ${{ matrix.shared-lib }})"
+    runs-on: windows-latest
+    env:
+      PROTOBUF_VERSION: 3.15.6
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ilammy/msvc-dev-cmd@v1
+      - uses: actions/cache@v2
+        id: cache
+        with:
+          path: ~/protobuf-bin
+          key: ${{ env.PROTOBUF_VERSION }}-${{ matrix.shared-lib }}-${{ matrix.build-type}}
+      - name: Build and install protobuf
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          cd ~
+          C:\msys64\usr\bin\wget.exe https://github.com/protocolbuffers/protobuf/releases/download/v${{ env.PROTOBUF_VERSION }}/protobuf-cpp-${{ env.PROTOBUF_VERSION }}.zip
+          C:\msys64\usr\bin\unzip protobuf-cpp-${{ env.PROTOBUF_VERSION }}.zip
+          cd ~/protobuf-${{ env.PROTOBUF_VERSION }}/cmake && mkdir build && cd build
+          cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -Dprotobuf_BUILD_TESTS=OFF -DCMAKE_INSTALL_PREFIX=~/protobuf-bin -Dprotobuf_BUILD_SHARED_LIBS=${{ matrix.shared-lib }} ..
+          nmake
+          nmake install
+      - name: Run cmake tests
+        run: |
+          mkdir build-cmake/bin
+          cd build-cmake/bin
+          cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} -DBUILD_TESTS=ON -DCMAKE_PREFIX_PATH=~/protobuf-bin -DCMAKE_INSTALL_PREFIX=protobuf-c-bin -DBUILD_SHARED_LIBS=${{ matrix.shared-lib }} ..
+          nmake
+          nmake test
+          nmake install

.travis.yml

@@ -1,41 +0,0 @@
-language:
-    - c
-    - cpp
-
-arch:
-  - amd64
-  - arm64
-  - ppc64le
-  - s390x
-
-dist: bionic
-
-addons:
-  apt:
-    packages:
-      - lcov
-      - valgrind
-
-env:
-  global:
-    - PROTOBUF_VERSION=3.7.1
-    - PKG_CONFIG_PATH=$HOME/protobuf-$PROTOBUF_VERSION-bin/lib/pkgconfig
-    - CMAKE_PREFIX_PATH=$HOME/protobuf-$PROTOBUF_VERSION-bin
-
-install:
-    - pip install --user cpp-coveralls
-    - wget https://github.com/protocolbuffers/protobuf/archive/v$PROTOBUF_VERSION.tar.gz
-    - tar xf v$PROTOBUF_VERSION.tar.gz
-    - ( cd protobuf-$PROTOBUF_VERSION && ./autogen.sh && ./configure --prefix=$HOME/protobuf-$PROTOBUF_VERSION-bin && make -j2 && make install )
-
-script:
-    - ./autogen.sh
-    - ./configure && make -j2 distcheck VERBOSE=1 && make clean
-    - ./configure --enable-valgrind-tests CFLAGS="-fsanitize=undefined -fno-sanitize-recover=undefined" && make -j2 distcheck DISTCHECK_CONFIGURE_FLAGS="--enable-valgrind-tests CFLAGS=\"-fsanitize=undefined -fno-sanitize-recover=undefined\"" VERBOSE=1 && make clean
-    - ./configure --enable-code-coverage && make -j2 && make check
-    - ( mkdir build-cmake/bin && cd build-cmake/bin && cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=protobuf-c-bin ../ && make -j2 && make test && make install)
-
-after_success:
-    - if [ $(uname -m) = "x86_64" ]; then
-        cpp-coveralls --build-root . --exclude t/ --exclude /usr/include --exclude protobuf-$PROTOBUF_VERSION --exclude protoc-c;
-      fi

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/protobuf-c/protobuf-c.png?branch=master)](https://travis-ci.org/protobuf-c/protobuf-c) [![Coverage Status](https://coveralls.io/repos/protobuf-c/protobuf-c/badge.png)](https://coveralls.io/r/protobuf-c/protobuf-c)
+[![Build Status](https://github.com/protobuf-c/protobuf-c/actions/workflows/build.yml/badge.svg)](https://github.com/protobuf-c/protobuf-c/actions) [![Coverage Status](https://coveralls.io/repos/protobuf-c/protobuf-c/badge.png)](https://coveralls.io/r/protobuf-c/protobuf-c)
 
 ## Overview