Add Windows build with Clang (#411)

after 72 commits and 24 hours

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)