libmorton: add package (#3002)

packages/l/libmorton/xmake.lua

@@ -0,0 +1,25 @@
+package("libmorton")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/Forceflow/libmorton")
+    set_description("C++ header-only library with methods to efficiently encode/decode Morton codes in/from 2D/3D coordinates")
+    set_license("MIT")
+
+    add_urls("https://github.com/Forceflow/libmorton/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/Forceflow/libmorton.git")
+
+    add_versions("v0.2.12", "48ec3e4ad1d9348052dcb64bff012ff95db226da3fec5522ae6e674fabbd686f")
+
+    add_deps("cmake")
+
+    on_install(function (package)
+        import("package.tools.cmake").install(package, {"-DBUILD_TESTING=OFF"})
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <libmorton/morton.h>
+            void test() {
+                libmorton::morton2D_32_encode(0, 0);
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+    end)