[flang-commits] [clang] [flang] [flang][driver] Support Makefile dependency generation (PR #209379)

[Tarun Prabhu via flang-commits]

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@@ -8673,6 +8676,11 @@ def finitial_counter_value_EQ : Joined<["-"], "finitial-counter-value=">,
 
 } // let Visibility = [CC1Option]
 
+def Eonly : Flag<["-"], "Eonly">, Group<Action_Group>,
+  Visibility<[CC1Option, FC1Option]>,
+  HelpText<"Just run preprocessor, no output (for timings or dependency "
+           "generation)">;
+
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tarunprabhu wrote:

If there is a `let Visibility = [CC1Option, FC1Option]` group, this could be moved there.

https://github.com/llvm/llvm-project/pull/209379