cgraph: add package (#3597)

packages/c/cgraph/xmake.lua

@@ -0,0 +1,32 @@
+package("cgraph")
+    set_kind("library", {headeronly = true})
+    set_homepage("http://www.chunel.cn")
+    set_description("A common used C++ DAG framework")
+    set_license("MIT")
+
+    add_urls("https://github.com/ChunelFeng/CGraph/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/ChunelFeng/CGraph.git")
+
+    add_versions("v2.5.4", "fd5a53dc0d7e3fc11050ccc13fac987196ad42184a4e244b9d5e5d698b1cb101")
+
+    if is_plat("windows") then
+        add_cxxflags("/source-charset:utf-8")
+    end
+
+    on_install(function (package)
+        os.vcp("src/*", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <CGraph.h>
+            class MyNode1 : public CGraph::GNode {
+            public:
+                CStatus run() override {
+                    CGRAPH_SLEEP_SECOND(1)
+                    return CStatus();
+                }
+            };
+            void test() {}
+        ]]}, {configs = {languages = "c++11"}}))
+    end)