zlib: add dll macro (#5327)

packages/z/zlib/xmake.lua

@@ -1,11 +1,11 @@
 package("zlib")
-
     set_homepage("http://www.zlib.net")
     set_description("A Massively Spiffy Yet Delicately Unobtrusive Compression Library")
     set_license("zlib")
 
-    add_urls("https://github.com/madler/zlib/archive/$(version).tar.gz")
-    add_urls("https://github.com/madler/zlib.git")
+    add_urls("https://github.com/madler/zlib/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/madler/zlib.git")
+
     add_versions("v1.2.10", "42cd7b2bdaf1c4570e0877e61f2fdc0bce8019492431d054d3d86925e5058dc5")
     add_versions("v1.2.11", "629380c90a77b964d896ed37163f5c3a34f6e6d897311f1df2a7016355c45eff")
     add_versions("v1.2.12", "d8688496ea40fb61787500e863cc63c9afcbc524468cedeb478068924eb54932")
@@ -73,13 +73,12 @@ package("zlib")
                     add_defines("_LARGEFILE64_SOURCE=1")
                 end
         ]])
-        local configs = {}
-        if package:config("shared") then
-            configs.kind = "shared"
-        elseif not package:is_plat("windows", "mingw") and package:config("pic") ~= false then
-            configs.cxflags = "-fPIC"
+        import("package.tools.xmake").install(package)
+
+        if package:config("shared") and package:is_plat("windows") then
+            package:add("defines", "ZLIB_DLL")
         end
-        import("package.tools.xmake").install(package, configs)
+
         if package:config("zutil") then
             os.cp("zutil.h", package:installdir("include"))
         end