Add Windows build with Clang (#411)

after 72 commits and 24 hours

.github/workflows/windows-clang.yml

@@ -0,0 +1,75 @@
+name: Windows Build (CLang)
+
+on:
+  push:
+    branches: [ "main", "release-**"]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build-windows:
+
+    strategy:
+      matrix:
+        include:
+          - os: windows-latest
+            compiler: clang
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+      - uses: msys2/setup-msys2@v2
+        id: msys2
+        name: Setup MSYS2
+        with:
+            msystem: clang64
+            install: >-
+                mingw-w64-clang-x86_64-toolchain 
+                mingw-w64-clang-x86_64-cmake 
+                mingw-w64-clang-x86_64-make 
+                mingw-w64-clang-x86_64-luajit 
+                git tree
+      - name: Set up vcpkg
+        shell: msys2 {0}
+        run: |
+            git clone https://github.com/microsoft/vcpkg.git
+            cd vcpkg
+            ./bootstrap-vcpkg.bat
+            ./vcpkg integrate install
+            cd ..
+      - name: Configure project with CMake and vcpkg
+        shell: msys2 {0}
+        run: |
+            export VCPKG_DEFAULT_TRIPLET=x64-mingw-static
+            export VCPKG_DEFAULT_HOST_TRIPLET=x64-mingw-static
+            mkdir build
+            cd build
+            cmake -G "MinGW Makefiles" -DVCPKG_TARGET_TRIPLET=x64-mingw-static -DCMAKE_BUILD_TYPE=Release -DVOXELENGINE_BUILD_WINDOWS_VCPKG=ON ..
+            cmake --build . --config Release
+      - name: Package for Windows
+        run: |
+          mkdir packaged
+          mkdir packaged/res
+          cp build/VoxelEngine.exe packaged/
+          cp build/vctest/vctest.exe packaged/
+          cp build/*.dll packaged/
+          cp -r build/res/* packaged/res/
+          mv packaged/VoxelEngine.exe packaged/VoxelCore.exe
+      - env:
+          MSYS2_LOCATION: ${{ steps.msys2.outputs.msys2-location }}
+        name: Add lua51.dll to the package
+        run: |
+          cp $env:MSYS2_LOCATION/clang64/bin/lua51.dll ${{ github.workspace }}/packaged/
+        working-directory: ${{ github.workspace }}
+      - uses: actions/upload-artifact@v4
+        with:
+          name: Windows-Build
+          path: 'packaged/*'
+      - name: Run engine tests
+        shell: msys2 {0}
+        working-directory: ${{ github.workspace }}
+        run: |
+          packaged/vctest.exe -e packaged/VoxelCore.exe -d dev/tests -u build --output-always

src/CMakeLists.txt

@@ -20,10 +20,19 @@ if (NOT APPLE)
     find_package(EnTT REQUIRED)
 endif()
 
+set(LIBS "")
+
 if (WIN32)
     if(VOXELENGINE_BUILD_WINDOWS_VCPKG)
-      set(LUA_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/../vcpkg/packages/luajit_x64-windows/lib/lua51.lib")
-      set(LUA_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../vcpkg/packages/luajit_x64-windows/include/luajit")
+      if (MSVC)
+        set(LUA_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/../vcpkg/packages/luajit_x64-windows/lib/lua51.lib")
+        set(LUA_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../vcpkg/packages/luajit_x64-windows/include/luajit")
+      else()
+        find_package(PkgConfig)
+        pkg_check_modules(OpenAL REQUIRED IMPORTED_TARGET openal)
+        set(LIBS ${LIBS} luajit-5.1 wsock32 ws2_32 pthread PkgConfig::OpenAL -static-libstdc++)
+        message(${OPENAL_LIBRARY})
+      endif()
       find_package(glfw3 REQUIRED)
       find_package(glm REQUIRED)
       find_package(vorbis REQUIRED)
@@ -53,8 +62,6 @@ else()
     set(VORBISLIB ${VORBIS_LDFLAGS})
 endif()
 
-set(LIBS "")
-
 if(UNIX)
     find_package(glfw3 3.3 REQUIRED)
     find_package(Threads REQUIRED)

src/logic/scripting/lua/lua_commons.hpp

@@ -3,9 +3,8 @@
 #include "delegates.hpp"
 #include "logic/scripting/scripting.hpp"
 
-#ifdef __linux__
+#if (defined __linux__) || (defined __MINGW32__)
 #include <luajit-2.1/luaconf.h>
-
 #include <luajit-2.1/lua.hpp>
 #else
 #include <lua.hpp>