improve clang toolchain

Author: waruqi

xmake/toolchains/clang/xmake.lua

@@ -34,10 +34,10 @@ toolchain("clang" .. suffix)
     set_toolset("cxx",     "clang++" .. suffix, "clang" .. suffix)
     set_toolset("ld",      "clang++" .. suffix, "clang" .. suffix)
     set_toolset("sh",      "clang++" .. suffix, "clang" .. suffix)
-    set_toolset("ar",      "ar",      "llvm-ar" .. suffix)
-    set_toolset("strip",   "strip",   "llvm-strip" .. suffix)
-    set_toolset("ranlib",  "ranlib",  "llvm-ranlib" .. suffix)
-    set_toolset("objcopy", "objcopy", "llvm-objcopy" .. suffix)
+    set_toolset("ar",      "llvm-ar" .. suffix, "ar")
+    set_toolset("strip",   "llvm-strip" .. suffix, "strip")
+    set_toolset("ranlib",  "llvm-ranlib" .. suffix, "ranlib")
+    set_toolset("objcopy", "llvm-objcopy" .. suffix, "objcopy")
     set_toolset("mm",      "clang" .. suffix)
     set_toolset("mxx",     "clang++" .. suffix, "clang" .. suffix)
     set_toolset("as",      "clang" .. suffix)