autodiff: add package (#2264)

packages/a/autodiff/xmake.lua

@@ -0,0 +1,34 @@
+package("autodiff")
+
+    set_kind("library", {headeronly = true})
+    set_homepage("https://autodiff.github.io")
+    set_description("automatic differentiation made easier for C++")
+    set_license("MIT")
+
+    add_urls("https://github.com/autodiff/autodiff/archive/refs/tags/v$(version).tar.gz",
+             "https://github.com/autodiff/autodiff.git")
+
+    add_versions("1.0.3", "21b57ce60864857913cacb856c3973ae10f7539b6bb00bcc04f85b2f00db0ce2")
+
+    add_deps("cmake", "eigen")
+
+    on_install("windows", "linux", "macosx", "mingw", function (package)
+        local configs =
+        {
+            "-DAUTODIFF_BUILD_TESTS=OFF",
+            "-DAUTODIFF_BUILD_PYTHON=OFF",
+            "-DAUTODIFF_BUILD_EXAMPLES=OFF",
+            "-DAUTODIFF_BUILD_DOCS=OFF",
+        }
+        import("package.tools.cmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <autodiff/forward/dual.hpp>
+            using namespace autodiff;
+            void test() {
+                dual x = 1.0;
+            }
+        ]]}, {configs = {languages = "c++17"}}))
+    end)