munkres-algorithm: add package (#5239)

* munkres-algorithm: add package

* munkres-algorithm: add patch

packages/m/munkres-algorithm/patches/2021.04.05/cstdint.patch

@@ -0,0 +1,12 @@
+diff --git a/munkres.hpp b/munkres.hpp
+index 694aff1..ac2ecca 100644
+--- a/munkres.hpp
++++ b/munkres.hpp
+@@ -12,6 +12,7 @@
+ #include <limits>
+ #include <vector>
+ #include <algorithm>
++#include <cstdint>
+ 
+ namespace detail
+ {

packages/m/munkres-algorithm/xmake.lua

@@ -0,0 +1,26 @@
+package("munkres-algorithm")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/aaron-michaux/munkres-algorithm")
+    set_description("Modern C++ implementation of Munkres (Hungarian) algorithm")
+    set_license("MIT")
+
+    add_urls("https://github.com/aaron-michaux/munkres-algorithm.git")
+    add_versions("2021.04.05", "30c5fbdde1e5a9fb44fcac55b7c0e8676baaccfd")
+
+    add_patches("2021.04.05", "patches/2021.04.05/cstdint.patch", "ceca3960e7fbed9578517c1e5830e5e056d4c0bdcc250871d3277364729c78fe")
+
+    on_install(function (package)
+        os.cp("munkres.hpp", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                auto result = munkres_algorithm<double>(3, 3, 
+                    [&](unsigned l, unsigned r) -> float {
+                        return 0;
+                    }
+                );
+            }
+        ]]}, {configs = {languages = "c++14"}, includes = "munkres.hpp"}))
+    end)