added CMake source in XMake

code/XMake/CMake.lua

@@ -0,0 +1,22 @@
+add_rules("mode.debug", "mode.release")
+
+package("foo")
+    add_deps("cmake")
+    set_sourcedir(path.join(os.scriptdir(), "foo"))
+    on_install(function (package)
+        local configs = {}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+        import("package.tools.cmake").install(package, configs)
+    end)
+    on_test(function (package)
+        assert(package:has_cfuncs("add", {includes = "foo.h"}))
+    end)
+package_end()
+
+add_requires("foo")
+
+target("demo")
+    set_kind("binary")
+    add_files("src/main.c")
+    add_packages("foo")