CI: Create an MSYS2/MinGW CMake run.

.github/workflows/run_tests_win_mingw.yml

@@ -74,3 +74,67 @@ jobs:
           path: |
             */*.log
             */*.trs
+
+  build-and-test-cmake:
+
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        msystem: [ MINGW64, UCRT64] #, CLANG64 ]
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+
+      - uses: actions/checkout@v4
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.msystem }}
+          update: true
+          pacboy: cc:p cmake:p hdf5:p curl:p libxml2:p zlib:p blosc:p bzip2:p
+          install: make m4 diffutils git unzip
+
+###
+# Configure and build
+###
+
+      - name: (CMake) Configure Build
+        run: |
+          LDFLAGS="-Wl,--export-all-symbols" \
+          cmake \
+          -G"MSYS Makefiles" \
+          -B build \
+          -S . \
+          -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
+          -DBUILD_SHARED_LIBS=ON \
+          -DNETCDF_ENABLE_NETCDF_4=ON \
+          -DNETCDF_ENABLE_DAP=ON \
+          -DNETCDF_BUILD_UTILITIES=ON \
+          -DNETCDF_ENABLE_TESTS=ON \
+          -DNETCDF_ENABLE_HDF5=ON \
+          -DNETCDF_ENABLE_DAP=TRUE \
+          -DNETCDF_ENABLE_NCZARR=TRUE \
+          -DNETCDF_ENABLE_DAP_LONG_TESTS=TRUE \
+          -DNETCDF_ENABLE_PLUGINS=ON
+        if: ${{ success() }}
+
+      - name: (CMake) Look at CMakeCache.txt if error
+        run: cat build/CMakeCache.txt
+        if: ${{ failure() }}
+
+      - name: (CMake) Print Summary
+        run: cat build/libnetcdf.settings
+
+      - name: (CMake) Build All
+        run: cmake --build build -j$(nproc)
+        if: ${{ success() }}
+
+      - name: (CMake) Run Tests
+        run: PATH=$PWD/build:$PATH ctest --test-dir build
+        if: ${{ success() }}
+
+      - name: (CMake) Verbose output of CTest failures
+        run: >-
+          PATH=$PWD/build:$PATH ctest --test-dir build --output-on-failure -j$(nproc) --rerun-failed -VV
+        if: ${{ failure() }}