add cxxopts

packages/c/cxxopts/xmake.lua

@@ -0,0 +1,26 @@
+package("cxxopts")
+
+    set_homepage("https://github.com/jarro2783/cxxopts")
+    set_description("Lightweight C++ command line option parser")
+
+    add_urls("https://github.com/jarro2783/cxxopts.git")
+    add_urls("https://github.com/jarro2783/cxxopts/archive/$(version).tar.gz")
+    add_versions("v2.2.0", "447dbfc2361fce9742c5d1c9cfb25731c977b405f9085a738fbd608626da8a4d")
+
+    on_install(function (package)
+        os.cp("include/*.hpp", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            static void test() {
+                cxxopts::Options options("MyProgram", "One line description of MyProgram");
+                options.add_options()
+                  ("d,debug", "Enable debugging") // a bool parameter
+                  ("i,integer", "Int param", cxxopts::value<int>())
+                  ("f,file", "File name", cxxopts::value<std::string>())
+                  ("v,verbose", "Verbose output", cxxopts::value<bool>()->default_value("false"));
+            }
+        ]]}, {configs = {languages = "c++11"}, includes = "cxxopts.hpp"}))
+    end)    
+