Add CI

Author: qmfrederik

.github/workflows/main.yml

@@ -0,0 +1,33 @@
+name: libdispatch
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  mingw:
+    runs-on: windows-2022
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { msystem: MINGW64, arch: x86_64 }
+          - { msystem: UCRT64,  arch: ucrt-x86_64 }
+          - { msystem: CLANG64, arch: clang-x86_64 }
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up MSYS2
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.msystem }}
+          install: >
+            mingw-w64-${{matrix.arch}}-cmake
+            mingw-w64-${{matrix.arch}}-clang
+            mingw-w64-${{matrix.arch}}-lld
+      - name: Build
+        shell: msys2 {0}
+        run: |
+          mkdir build
+          cd build
+          LDFLAGS="-fuse-ld=lld" cmake .. -DCMAKE_C_COMPILER="clang" -DCMAKE_CXX_COMPILER="clang++"
+          cmake --build .