improve ar.lua on windows cmd

1 files changed, 13 insertions, 2 deletions

diff --git a/xmake/modules/core/tools/ar.lua b/xmake/modules/core/tools/ar.lua
index 650ca7b27..dc2404d06 100644
--- a/xmake/modules/core/tools/ar.lua
+++ b/xmake/modules/core/tools/ar.lua
@@ -55,8 +55,19 @@ function linkargv(self, objectfiles, targetkind, targetfile, flags)
     -- check
     assert(targetkind == "static")
 
-    -- make it
-    return self:program(), table.join(flags, targetfile, objectfiles)
+    -- make arguments list
+    local argv = table.join(flags, targetfile, objectfiles)
+
+    -- too long?
+    local args = os.args(argv)
+    if #args > 4096 and os.host() == "windows" then
+        local argfile = targetfile .. ".arg"
+        io.printf(argfile, args)
+        argv = {"@" .. argfile}
+    end
+
+    -- ok?
+    return self:program(), argv
 end
 
 -- link the library file