giflib: refractor (#4112)

* giflib: refractor

* add 5.2.2

packages/g/giflib/patches/5.2.1/unistd.h.patch

@@ -0,0 +1,14 @@
+diff --git a/gif_hash.h b/gif_hash.h
+index 6a1b585..e6712e8 100644
+--- a/gif_hash.h
++++ b/gif_hash.h
+@@ -9,7 +9,9 @@ SPDX-License-Identifier: MIT
+ #ifndef _GIF_HASH_H_
+ #define _GIF_HASH_H_
+ 
++#ifndef _MSC_VER
+ #include <unistd.h>
++#endif
+ #include <stdint.h>
+ 
+ #define HT_SIZE			8192	   /* 12bits = 4096 or twice as big! */

packages/g/giflib/port/xmake.lua

@@ -0,0 +1,51 @@
+set_project("giflib")
+
+option("utils", {showmenu = true, default = false})
+
+add_rules("mode.debug", "mode.release")
+
+target("gif")
+    set_kind("$(kind)")
+    add_files(
+        "dgif_lib.c",
+        "egif_lib.c",
+        "gifalloc.c",
+        "gif_err.c",
+        "gif_font.c",
+        "gif_hash.c",
+        "openbsd-reallocarray.c"
+    )
+
+    add_headerfiles("gif_lib.h")
+
+    if is_plat("windows") then
+        add_files("gif_font.c", {defines = "strtok_r=strtok_s"})
+        if is_kind("shared") then
+            add_rules("utils.symbols.export_all")
+        end
+    end
+target_end()
+
+if has_config("utils") then
+    if is_plat("windows") then
+        add_requires("cgetopt")
+    end
+
+    target("utils")
+        set_kind("$(kind)")
+        add_files("getarg.c", "qprintf.c", "quantize.c")
+        add_deps("gif")
+        if is_plat("windows") and is_kind("shared") then
+            add_rules("utils.symbols.export_all")
+        end
+
+    for _, tool in ipairs({"gif2rgb", "gifbuild", "gifclrmp", "giffix", "giftext", "giftool"}) do
+        target(tool)
+            set_kind("binary")
+            add_files(tool .. ".c")
+            add_deps("utils")
+            if is_plat("windows") then
+                add_packages("cgetopt")
+            end
+    end
+end

packages/g/giflib/xmake.lua

@@ -1,70 +1,38 @@
 package("giflib")
-
     set_homepage("https://sourceforge.net/projects/giflib/")
     set_description("A library for reading and writing gif images.")
     set_license("MIT")
 
     add_urls("https://github.com/xmake-mirror/giflib/releases/download/$(version)/giflib-$(version).tar.gz",
              "https://downloads.sourceforge.net/project/giflib/giflib-$(version).tar.gz")
+
+    add_versions("5.2.2", "be7ffbd057cadebe2aa144542fd90c6838c6a083b5e8a9048b8ee3b66b29d5fb")
     add_versions("5.2.1", "31da5562f44c5f15d63340a09a4fd62b48c45620cd302f77a6d9acf0077879bd")
 
-    add_configs("utils", {description = "Build utility binaries.", default = true, type = "boolean"})
+    add_patches("5.2.1", "patches/5.2.1/unistd.h.patch", "0f1f7b9a295c9965529608f7e9d810b7f7a2642b3b18910402d5d7ce8b86fc13")
 
-    if is_plat("windows") then
-        add_deps("cgetopt")
-    end
+    add_configs("utils", {description = "Build utility binaries.", default = true, type = "boolean"})
 
-    on_install("linux", "macosx", "windows", "mingw", "android", "iphoneos", "bsd", function (package)
-        local lib_sources = {"dgif_lib.c", "egif_lib.c", "gifalloc.c", "gif_err.c", "gif_font.c", "gif_hash.c", "openbsd-reallocarray.c"}
-        local kind = "static"
-        if package:config("shared") then
-            if package:is_plat("windows") then
-                cprint("${yellow}No support for dll on windows!${clear}")
-            else
-                kind = "shared"
-            end
+    on_load(function (package)
+        if package:config("utils") and package:is_plat("windows") then
+            package:add("deps", "cgetopt")
         end
-        if package:is_plat("windows") then
-            io.gsub("gif_hash.h", "\n#include <unistd.h>\n", [[
-                #ifndef _MSC_VER
-                #include <unistd.h>
-                #endif
-            ]])
-            io.gsub("gif_font.c", "\n#include \"gif_lib.h\"\n", "\n#include \"gif_lib.h\"\n#define strtok_r strtok_s\n")
-        end
-        local xmake_lua = string.format([[
-            add_rules("mode.debug", "mode.release")
-            if is_plat("windows") then
-                add_requires("cgetopt")
-            end
-            target("gif")
-                set_kind("%s")
-                add_files("%s")
-                add_headerfiles("gif_lib.h")
-        ]], kind, table.concat(lib_sources, "\", \""))
-        if package:config("utils") then
-            local util_table = {"gif2rgb", "gifbuild", "gifclrmp", "giffix", "giftext", "giftool"}
-            for _, util in ipairs(util_table) do
-                if package:is_plat("windows") then
-                    -- fix unresolved external symbol snprintf before vs2013
-                    io.replace(util .. ".c", "snprintf", "_snprintf")
-                end
-                xmake_lua = xmake_lua .. string.format([[
-                    target("%s")
-                        set_kind("binary")
-                        if is_plat("windows") then
-                            add_packages("cgetopt")
-                        end
-                        add_files("%s.c", "getarg.c", "qprintf.c", "quantize.c", "%s")
-                ]], util, util, table.concat(lib_sources, "\", \""))
+    end)
+
+    on_install(function (package)
+        local utils = package:config("utils")
+        if utils and package:is_plat("windows") then
+            -- fix unresolved external symbol snprintf before vs2013
+            for _, file in ipairs({"gif2rgb.c", "gifbuild.c", "gifclrmp.c", "giffix.c", "giftext.c", "giftool.c"}) do
+                io.replace(file, "snprintf", "_snprintf", {plain = true})
             end
         end
-        io.writefile("xmake.lua", xmake_lua)
-        local configs = {}
-        if package:is_plat("linux") and package:config("pic") ~= false then
-            configs.cxflags = "-fPIC"
+
+        os.cp(path.join(package:scriptdir(), "port", "xmake.lua"), "xmake.lua")
+        import("package.tools.xmake").install(package, {utils = utils})
+        if utils then
+            package:addenv("PATH", "bin")
         end
-        import("package.tools.xmake").install(package, configs)
     end)
 
     on_test(function (package)