add iverilog (#1732)

* add iverilog

* add iverilog for mingw

* add iverilog for mingw

* remove mingw

* add iverilog for windows

* add iverilog for windows

packages/i/iverilog/xmake.lua

@@ -0,0 +1,35 @@
+package("iverilog")
+    set_kind("toolchain")
+    set_homepage("https://steveicarus.github.io/iverilog/")
+    set_description("Icarus Verilog")
+
+    if is_plat("windows") then
+        add_urls("https://github.com/xmake-mirror/iverilog-windows/releases/download/$(version)/iverilog-$(version).zip")
+        add_versions("2022.6.11", "6ce9411bf9468c43df70ae777e6727d47ae4f56413e772455fa93356597b6b7b")
+    else
+        add_urls("https://github.com/steveicarus/iverilog.git")
+        add_versions("2023.1.7", "45bd0968c3d6d5b96a7ac7c2c1b0557cc229e568")
+        add_deps("autoconf", "automake", "libtool", "flex", "bison", "gperf")
+    end
+
+    on_install("windows", function (package)
+        os.cp("*", package:installdir())
+    end)
+
+    on_install("macosx", "linux", function (package)
+        local configs = {}
+        os.vrunv("sh", {"./autoconf.sh"})
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_test(function (package)
+        io.writefile("hello.vl", [[
+            module main();
+            initial
+              begin
+                $display("Hi there");
+                $finish ;
+              end
+            endmodule]])
+	    os.vrunv("iverilog", {"hello.vl"})
+    end)