SFML: fix links name on Linux/Windows (#1204)

* SFML: fix links name on Linux/Windows

* sfml: handle main option

packages/s/sfml/xmake.lua

@@ -11,6 +11,9 @@ package("sfml")
         if is_arch("x64", "x86_64") then
             set_urls("https://www.sfml-dev.org/files/SFML-$(version)-macOS-clang.tar.gz")
             add_versions("2.5.1", "6af0f14fbd41dc038a00d7709f26fb66bb7ccdfe6187657ef0ef8cba578dcf14")
+        
+            add_configs("debug", {builtin = true, description = "Enable debug symbols.", default = false, type = "boolean", readonly = true})
+            add_configs("shared", {description = "Build shared library.", default = true, type = "boolean", readonly = true})
         end
     elseif is_plat("mingw") then
         if is_arch("x64", "x86_64") then
@@ -26,10 +29,12 @@ package("sfml")
     add_configs("window",     {description = "Use the window module", default = true, type = "boolean"})
     add_configs("audio",      {description = "Use the audio module", default = true, type = "boolean"})
     add_configs("network",    {description = "Use the network module", default = true, type = "boolean"})
-    add_configs("main",       {description = "Link to the sfml-main library", default = true, type = "boolean"})
+    if is_plat("windows", "mingw") then
+        add_configs("main",       {description = "Link to the sfml-main library", default = true, type = "boolean"})
+    end
 
     on_load("windows", "linux", "macosx", "mingw", function (package)
-        if package:is_plat("windows") then
+        if package:is_plat("windows", "linux") then
             package:add("deps", "cmake")
         end
 
@@ -39,13 +44,11 @@ package("sfml")
 
         local e = ""
         local a = "sfml-"
-        if package:is_plat("windows", "mingw") then
-            if not package:config("shared") then
-                e = "-s"
-            end
-            if package:debug() then
-                e = e .. "-d"
-            end
+        if not package:config("shared") then
+            e = "-s"
+        end
+        if package:debug() then
+            e = e .. "-d"
         end
         local main_module = a .. "main"
         if package:debug() then
@@ -53,15 +56,13 @@ package("sfml")
         end
 
         if package:config("graphics") then
+            package:add("links", a .. "graphics" .. e)
             if package:is_plat("mingw") then
-                package:add("links", a .. "graphics" .. e)
                 package:add("links", "freetype")
             end
         end
         if package:config("window") or package:config("graphics") then
-            if package:is_plat("mingw") then
-                package:add("links", a .. "window" .. e)
-            end
+            package:add("links", a .. "window" .. e)
             if package:is_plat("windows", "mingw") then
                 package:add("syslinks", "opengl32", "gdi32", "user32", "advapi32")
             end
@@ -71,25 +72,23 @@ package("sfml")
             end
         end
         if package:config("audio") then
+            package:add("links", a .. "audio" .. e)
             if package:is_plat("mingw") then
-                package:add("links", a .. "audio" .. e)
                 package:add("links", "openal32", "flac", "vorbisenc", "vorbisfile", "vorbis", "ogg")
             elseif package:is_plat("linux") then
                 package:add("deps", "libogg", "libflac", "libvorbis", "openal-soft")
             end
         end
         if package:config("network") then
-            if package:is_plat("mingw") then
-                package:add("links", a .. "network" .. e)
-            end
+            package:add("links", a .. "network" .. e)
             if package:is_plat("windows", "mingw") then
                 package:add("syslinks", "ws2_32")
             end
         end
-        if package:is_plat("mingw") then
-            package:add("links", a .. "system" .. e)
+        if package:is_plat("windows", "mingw") and package:config("main") then
             package:add("links", main_module)
         end
+        package:add("links", a .. "system" .. e)
         if package:is_plat("windows", "mingw") then
             package:add("syslinks", "winmm")
         end