libmodbus: add package (#2380)

* libmodbus: add package

* fix static on windows

* fix install dir

* disable plat

* fix autoconf

* add extsources

* improve package

packages/l/libmodbus/xmake.lua

@@ -0,0 +1,73 @@
+package("libmodbus")
+    set_homepage("https://libmodbus.org")
+    set_description("A Modbus library for Linux, Mac OS, FreeBSD and Windows")
+    set_license("LGPL-2.1")
+
+    add_urls("https://github.com/stephane/libmodbus/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/stephane/libmodbus.git")
+    add_versions("v3.1.10", "e93503749cd89fda4c8cf1ee6371a3a9cc1f0a921c165afbbc4fd96d4813fa1a")
+
+    if is_plat("mingw") and is_subhost("msys") then
+        add_extsources("pacman::libmodbus")
+    elseif is_plat("linux") then
+        add_extsources("pacman::libmodbus", "apt::libmodbus")
+    elseif is_plat("macosx") then
+        add_extsources("brew::libmodbus")
+    end
+
+    if is_plat("windows", "mingw") then
+        add_syslinks("ws2_32")
+    end
+
+    on_load(function (package)
+        if (not is_host("windows")) and (not is_subhost("msys", "cygwin")) then
+            package:add("deps", "autoconf", "automake", "libtool")
+        end
+    end)
+
+    on_install("windows", "linux", "macosx", "mingw", "msys", "cross", function (package)
+        if (not is_host("windows")) and (not is_subhost("msys", "cygwin")) then
+            import("package.tools.autoconf").install(package, {"--disable-tests"})
+            return
+        end
+
+        local configs = {}
+        io.writefile("xmake.lua", [[
+            add_rules("mode.debug", "mode.release")
+            target("modbus")
+                set_kind("$(kind)")
+                add_files("src/*.c")
+                add_headerfiles("src/*.h", {prefixdir = "modbus"})
+
+                add_syslinks("ws2_32")
+                add_includedirs("src/win32")
+                if is_plat("windows") then
+                    add_files("src/win32/modbus.rc")
+                    add_defines("HAVE_CONFIG_H", "_CRT_SECURE_NO_DEPRECATE=1", "_CRT_NONSTDC_NO_DEPRECATE=1")
+                    if is_mode("debug") then
+                        add_defines("W32DEBUG")
+                    end
+                    if is_kind("shared") then
+                        add_defines("DLLBUILD")
+                    end
+                end
+
+                before_build(function (target)
+                    local old = os.cd("src/win32")
+                    os.exec("cscript /nologo configure.js")
+                    os.cd(old)
+                end)
+        ]])
+        if package:config("shared") then
+            configs.kind = "shared"
+        else
+            if package:is_plat("windows") then
+                io.replace("src/modbus.h", "#  define MODBUS_API __declspec(dllimport)", "#  define MODBUS_API", {plain = true})
+            end
+        end
+        import("package.tools.xmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("modbus_new_tcp", {includes = "modbus/modbus.h"}))
+    end)