(C++ modules support) fix clang-cl (disable build.c++.modules.two_phases)

Author: Arthapz

xmake/rules/c++/modules/clang/builder.lua

@@ -106,6 +106,9 @@ function _compile(target, flags, module, opt)
 
     opt = opt or {}
     local sourcefile = module.sourcefile
+    if not opt.bmi and opt.objectfile then
+        sourcefile = module.bmifile
+    end
     local outputfile = ((opt.bmi and not opt.objectfile) or opt.headerunit) and module.bmifile or module.objectfile
     local dryrun = option.get("dry-run")
     local compinst = target:compiler("cxx")
@@ -182,7 +185,6 @@ function _get_requiresflags(target, module)
             end
         end
         requiresflags = table.unique(requiresflags)
-        -- table.sort(requiresflags)
         support.memcache():set2(cachekey, "requiresflags", requiresflags)
         support.memcache():set2(cachekey, "oldrequires", requires)
     end

xmake/rules/c++/modules/config.lua

@@ -67,6 +67,10 @@ function main(target)
             wprint("build.c++.modules.tryreuse.discriminate_on_defines is deprecated, please use build.c++.modules.reuse.strict")
         end
 
+        if target:has_tool("cxx", "clang_cl") then
+            target:set("policy", "build.c++.modules.two_phases", false)
+        end
+
         -- if containes modules, enable objectfiles output of c++.build.modules.builder
         local rule = target:rule("c++.build.modules.builder")
         rule = rule:clone()