add concurrencpp (#1657)

* add concurrencpp

* Update xmake.lua

packages/c/concurrencpp/xmake.lua

@@ -0,0 +1,44 @@
+package("concurrencpp")
+    set_homepage("https://github.com/David-Haim/concurrencpp")
+    set_description("Modern concurrency for C++. Tasks, executors, timers and C++20 coroutines to rule them all")
+    set_license("MIT")
+
+    add_urls("https://github.com/David-Haim/concurrencpp/archive/refs/tags/$(version).tar.gz", {version = function (version)
+        return "v." .. version
+    end})
+    add_urls("https://github.com/David-Haim/concurrencpp.git")
+    add_versions("0.1.5", "330150ebe11b3d30ffcb3efdecc184a34cf50a6bd43b68e294a496225d286651")
+
+    add_deps("cmake")
+
+    if is_plat("windows") then
+        add_syslinks("synchronization", "ws2_32", "mswsock")
+    elseif is_plat("linux", "bsd") then
+        add_syslinks("pthread")
+    end
+
+    on_load(function (package)
+        package:add("includedirs", "include/concurrencpp-" .. package:version_str())
+    end)
+
+    on_install("macosx", "windows", function (package)
+        assert(package:has_tool("cxx", "clang", "cl"), "compiler not supported!")
+        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:check_cxxsnippets({test = [[
+            #include "concurrencpp/concurrencpp.h"
+            #include <iostream>
+            void test() {
+                concurrencpp::runtime runtime;
+                auto result = runtime.thread_executor()->submit([] {
+                    std::cout << "hello world" << std::endl;
+                });
+                result.get();
+            }
+        ]]}, {configs = {languages = "c++20"}}))
+    end)