Add libntl (#3372)

* Add libntl

* fmt

* perl deps and shell = true

* fix...?

* remove mingw due to gmp not provided

* fix compiler name

* remove extra flags

* debug...

* debug...

* forward more options

* add default value

* use table.wrap

* omg...

* filter to native only

* remove debug statements

* update

* fix

packages/l/libntl/xmake.lua

@@ -0,0 +1,61 @@
+package("libntl")
+
+    set_homepage("https://libntl.org/")
+    set_description("NTL: A Library for doing Number Theory")
+    set_license("LGPL-2.1")
+
+    add_urls("https://github.com/libntl/ntl/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/libntl/ntl.git")
+    add_versions("v11.5.1", "ef578fa8b6c0c64edd1183c4c303b534468b58dd3eb8df8c9a5633f984888de5")
+
+    add_deps("gmp")
+
+    on_install("macosx|native", "linux|native", function (package)
+        local gmp = package:dep("gmp")
+        local gmp_prefix = "";
+        if gmp and not gmp:is_system() then
+            gmp_prefix = gmp:installdir()
+        end
+
+        local compiler = package:build_getenv("cxx")
+        if package:is_plat("macosx") then
+            local cc = package:build_getenv("ld")
+            if cc and cc:find("clang", 1, true) and cc:find("Xcode", 1, true) then
+                compiler = "xcrun --sdk macosx clang++"
+            end
+        end
+        compiler = compiler:gsub("gcc$", "g++")
+        compiler = compiler:gsub("clang$", "clang++")
+
+        os.cd("src")
+        os.vrunv("./configure", {
+            "CXX=" .. compiler,
+            "CXXFLAGS=" .. table.concat(table.wrap(package:build_getenv("cxxflags")), " "),
+            "AR=" .. (package:build_getenv("ar") or "ar"),
+            "ARFLAGS=" .. table.concat(table.wrap(package:build_getenv("arflags") or "ruv"), " "),
+            "RANLIB=" .. (package:build_getenv("ranlib") or "ranlib"),
+            "LDFLAGS=" .. table.concat(table.wrap(package:build_getenv("ldflags")), " "),
+            "CPPFLAGS=" .. table.concat(table.wrap(package:build_getenv("cppflags")), " "),
+            "PREFIX=" .. package:installdir(),
+            "GMP_PREFIX=" .. gmp_prefix,
+            "SHARED=" .. (package:config("shared") and "on" or "off")
+        }, {shell = true})
+        os.vrunv("make", {})
+        os.vrunv("make", {"install"})
+        if package:config("shared") then
+            os.rm(path.join(package:installdir(), "lib", "libntl.a"))
+        end
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <NTL/ZZ.h>
+            #include <iostream>
+            #include <cassert>
+            void test() {
+                NTL::ZZ a{2}, b{3}, c;
+                c = (a + 1) * (b + 1);
+                std::cout << c << std::endl;
+            }
+        ]]}, {configs = {languages = "cxx11"}}))
+    end)