Add scons 4.3.0 (#1041)

* Add scons 4.3.0

* Change PYTHONPATH when calling setup.py

* Use envs = syntax

* Use env = installdir

* Update xmake.lua

* Update xmake.lua

Co-authored-by: ruki <waruqi@gmail.com>

packages/s/scons/xmake.lua

@@ -7,6 +7,7 @@ package("scons")
     add_urls("https://github.com/SCons/scons/archive/refs/tags/$(version).zip",
              "https://github.com/SCons/scons.git")
     add_versions("4.1.0", "106259e92ba001feae5b50175bcec92306d0420bb08229fb037440cf303fcfc3")
+    add_versions("4.3.0", "c8cb3be5861c05a46250c60938857b9711c29a1500001da187e36dc05ee70295")
 
     add_deps("python 3.x", {kind = "binary"})
 
@@ -22,9 +23,15 @@ package("scons")
         package:addenv("PYTHONPATH", PYTHONPATH, PYTHONPATH1)
 
         -- setup.py install needs these
+        if package:version():ge("4.3.0") then
+            io.writefile("scons.1", "")
+            io.writefile("scons-time.1", "")
+            io.writefile("sconsign.1", "")
+        else
             io.writefile("build/doc/man/scons.1", "")
             io.writefile("build/doc/man/scons-time.1", "")
             io.writefile("build/doc/man/sconsign.1", "")
+        end
 
         os.vrunv("python", {"setup.py", "install", "--prefix", package:installdir()})
         if package:is_plat("windows") then