alpaca: add package (#5104)

* alpaca: add package

* disable wasm

* disable bsd

packages/a/alpaca/xmake.lua

@@ -0,0 +1,29 @@
+package("alpaca")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/p-ranav/alpaca")
+    set_description("Serialization library written in C++17 - Pack C++ structs into a compact byte-array without any macros or boilerplate code")
+    set_license("MIT")
+
+    add_urls("https://github.com/p-ranav/alpaca/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/p-ranav/alpaca.git", {submodules = false})
+    -- 2024.07.20
+    add_versions("v0.2.1", "ea5ab2aaa97be20d48c0ce99eb90321f1db91929")
+
+    add_deps("cmake")
+
+    on_install("!wasm and !bsd", function (package)
+        import("package.tools.cmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            struct Config {
+                std::string device;
+            };
+            void test() {
+                Config c{"/dev/video0"};
+                std::vector<uint8_t> bytes;
+                auto bytes_written = alpaca::serialize(c, bytes);
+            }
+        ]]}, {configs = {languages = "c++17"}, includes = "alpaca/alpaca.h"}))
+    end)