optimizate to generate includes

1 files changed, 10 insertions, 4 deletions

diff --git a/xmake/tools/cl.lua b/xmake/tools/cl.lua
index 675bf08a3..660c47ed8 100755
--- a/xmake/tools/cl.lua
+++ b/xmake/tools/cl.lua
@@ -131,22 +131,28 @@ function compile(sourcefile, objectfile, incdepfile, flags)
 
         -- translate it
         local results = {}
+        local uniques = {}
         for includefile in string.gmatch(outdata, "including file:%s*(.-)\r*\n") do
 
-            -- check
-            assert(os.isfile(includefile), "invalid include file: %s for %s", includefile, incdepfile)
+            -- slower, only for debuging
+--            assert(os.isfile(includefile), "invalid include file: %s for %s", includefile, incdepfile)
 
             -- get the relative
             includefile = path.relative(includefile, project.directory())
 
             -- save it if belong to the project
             if not path.is_absolute(includefile) then
-                table.insert(results, includefile)
+
+                -- insert it and filter repeat
+                if not uniques[includefile] then
+                    table.insert(results, includefile)
+                    uniques[includefile] = true
+                end
             end
         end
 
         -- update it
-        io.save(incdepfile, table.unique(results))
+        io.save(incdepfile, results)
     end
 end