加入5套spine官方运行时

DateToSpine/cmake/OfflineDependencies.cmake

@@ -0,0 +1,28 @@
+# DateToSpine is distributed as a source-complete offline project. Configuration
+# must fail when a vendored dependency is missing; it must never fetch one.
+set(FETCHCONTENT_FULLY_DISCONNECTED ON CACHE BOOL
+    "Never download dependencies while configuring DateToSpine" FORCE)
+set(FETCHCONTENT_UPDATES_DISCONNECTED ON CACHE BOOL
+    "Never update dependencies while configuring DateToSpine" FORCE)
+
+function(dts_require_vendored_spine version_line runtime_subdirectory)
+    set(version_root
+        "${CMAKE_CURRENT_SOURCE_DIR}/third_party/spine-runtimes/${version_line}")
+    set(runtime_root "${version_root}/${runtime_subdirectory}")
+    foreach(required_file IN ITEMS
+            "${version_root}/LICENSE"
+            "${runtime_root}/include/spine/spine.h")
+        if(NOT EXISTS "${required_file}")
+            message(FATAL_ERROR
+                "Offline dependency is incomplete: ${required_file}\n"
+                "Restore the vendored files from the DateToSpine source package. "
+                "CMake will not download them.")
+        endif()
+    endforeach()
+endfunction()
+
+dts_require_vendored_spine("3.8" "spine-cpp/spine-cpp")
+dts_require_vendored_spine("4.0" "spine-cpp/spine-cpp")
+dts_require_vendored_spine("4.1" "spine-cpp/spine-cpp")
+dts_require_vendored_spine("4.2" "spine-cpp/spine-cpp")
+dts_require_vendored_spine("4.3" "spine-cpp")