[llvm] b5b7e3a - [llvm-lib] Ignore /SUBSYSTEM flag

[Pengxuan Zheng via llvm-commits]

Author: Pengxuan Zheng
Date: 2022-06-28T09:47:06-07:00
New Revision: b5b7e3adcdcd2d640ed665258792de000e0d3097

URL: https://github.com/llvm/llvm-project/commit/b5b7e3adcdcd2d640ed665258792de000e0d3097
DIFF: https://github.com/llvm/llvm-project/commit/b5b7e3adcdcd2d640ed665258792de000e0d3097.diff

LOG: [llvm-lib] Ignore /SUBSYSTEM flag

It's not clear what Microsoft's LIB.exe actually does based on the official
description of the flag (link below). We can probably ignore it for now.

https://docs.microsoft.com/en-us/cpp/build/reference/managing-a-library?view=msvc-170

Reviewed By: thieta

Differential Revision: https://reviews.llvm.org/D128458

Added: 
    

Modified: 
    llvm/lib/ToolDrivers/llvm-lib/Options.td

Removed: 
    


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diff  --git a/llvm/lib/ToolDrivers/llvm-lib/Options.td b/llvm/lib/ToolDrivers/llvm-lib/Options.td
index 747dcc82df5e6..0d97f77e525f0 100644
--- a/llvm/lib/ToolDrivers/llvm-lib/Options.td
+++ b/llvm/lib/ToolDrivers/llvm-lib/Options.td
@@ -45,3 +45,4 @@ def help_q : Flag<["/??", "-??", "/?", "-?"], "">, Alias<help>;
 
 def ltcg : F<"ltcg">;
 def nologo : F<"nologo">;
+def subsystem : P<"subsystem", "">;