Add CI for MINGW.

.github/workflows/ci-mingw.yml

@@ -0,0 +1,90 @@
+\# This is a copy of ci-unix-shared-local.yml for building shared libraries
+# with an additional build configuration (using installed deps and dav1d).
+
+name: CI MINGW
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+# Cancel the workflow if a new one is triggered from the same PR, branch, or tag, except on main.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  build-mingw:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sys:
+          - mingw64
+          - mingw32
+          - ucrt64
+          - clang64
+
+    steps:
+    - uses: msys2/setup-msys2@v2
+      with:
+        msystem: ${{matrix.sys}}
+        update: true
+        install: >-
+          cmake
+          gcc
+          git
+          ninja
+        pacboy: >-
+          aom
+          dav1d
+          libyuv
+    - name: Cache external dependencies
+      id: cache-ext
+      uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
+      with:
+        path: ext
+        key: ${{ runner.sys }}-mingw
+    - name: Print cmake version
+      run: cmake --version
+    - name: Build GoogleTest
+      if: steps.cache-ext.outputs.cache-hit != 'true'
+      working-directory: ./ext
+      run: bash -e googletest.cmd
+
+    - name: Prepare libavif (cmake)
+      run: >
+        mkdir build && cd build
+
+        cmake .. -G Ninja
+        -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON
+        -DAVIF_CODEC_AOM=SYSTEM
+        -DAVIF_CODEC_AOM_DECODE=OFF -DAVIF_CODEC_AOM_ENCODE=ON
+        -DAVIF_CODEC_DAV1D=SYSTEM
+        -DAVIF_BUILD_EXAMPLES=ON -DAVIF_BUILD_APPS=ON
+        -DAVIF_BUILD_TESTS=ON -DAVIF_ENABLE_GTEST=ON -DAVIF_LOCAL_GTEST=ON
+        -DAVIF_BUILD_GDK_PIXBUF=ON -DCMAKE_INSTALL_PREFIX=./install
+    - name: Build libavif (ninja)
+      working-directory: ./build
+      run: ninja
+    - name: Run AVIF Tests
+      working-directory: ./build
+      run: ctest -j $(getconf _NPROCESSORS_ONLN) --output-on-failure
+    - name: Install AVIF
+      working-directory: ./build
+      run: ninja install
+    - name: Test installed cmake
+      working-directory: ./build
+      run: >
+        mkdir test && cd test
+
+        echo "cmake_minimum_required(VERSION 3.13)
+              project(FindPackageTest)
+              message(STATUS ${CMAKE_PREFIX_PATH})
+              find_package(libavif REQUIRED)
+              if(TARGET avif)
+                message(STATUS "\""avif found"\"")
+              else()
+                message(FATAL_ERROR "\""avif not found"\"")
+              endif()" >> CMakeLists.txt
+
+        cmake . -DCMAKE_PREFIX_PATH=../install