morton-nd: add package (#4142)

* morton-nd: add package

* patch cstdint

packages/m/morton-nd/xmake.lua

@@ -0,0 +1,26 @@
+package("morton-nd")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/morton-nd/morton-nd")
+    set_description("A header-only compile-time Morton encoding / decoding library for N dimensions.")
+    set_license("MIT")
+
+    add_urls("https://github.com/morton-nd/morton-nd/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/morton-nd/morton-nd.git")
+
+    add_versions("v4.0.0", "29337c7f7afb6361dd483ca4fe2111aad9d590f3b9d3fe519856a5bdf450e059")
+
+    add_deps("cmake")
+
+    on_install(function (package)
+        io.replace("include/morton-nd/mortonND_BMI2.h", "#include <immintrin.h>", "#include <immintrin.h>\n#include <cstdint>", {plain = true})
+        io.replace("include/morton-nd/mortonND_LUT.h", "#include <limits>", "#include <limits>\n#include <cstdint>", {plain = true})
+        import("package.tools.cmake").install(package, {"-DBUILD_TESTING=OFF"})
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                constexpr auto MortonND_4D_Enc = mortonnd::MortonNDLutEncoder<4, 16, 8>();
+            }
+        ]]}, {configs = {languages = "c++14"}, includes = "morton-nd/mortonND_LUT.h"}))
+    end)