cppp-reiconv: New package. (#2676)

* cppp-reiconv: New package.

* cppp-reiconv: Add `on_test`.

* cppp-reiconv: Remove unused `on_download`.

* cppp-reiconv: Remove duplicate `add_deps`, update style.

packages/c/cppp-reiconv/xmake.lua

@@ -0,0 +1,39 @@
+package("cppp-reiconv")
+
+    set_homepage("https://github.com/cppp-project/cppp-reiconv")
+    set_description("A character set conversion library based on GNU LIBICONV.")
+
+    add_urls("https://github.com/cppp-project/cppp-reiconv/releases/download/$(version)/cppp-reiconv-$(version).zip")
+
+    add_versions("v2.1.0", "3e539785a437843793c5ce2f8a72cb08f2b543cba11635b06db25cfc6d9cc3a4")
+
+    add_deps("cmake", "python")
+
+    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"))
+        table.insert(configs, "-DENABLE_EXTRA=ON")
+        table.insert(configs, "-DENABLE_TEST=OFF")
+        import("package.tools.cmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+        #include <cppp/reiconv.hpp>
+        #include <iostream>
+        #include <cstdlib>
+        using namespace cppp::base::reiconv;
+
+        void test()
+        {
+            iconv_t cd = iconv_open("UTF-8", "UTF-8");
+            if (cd == (iconv_t)(-1))
+            {
+                abort();
+            }
+            iconv_close(cd);
+        }
+    ]]}, {configs = {languages = "c++14"}}))
+    end)
+