[llvm] 145aa66 - [gn build] Port 52924a2d7255

[LLVM GN Syncbot via llvm-commits]

Author: LLVM GN Syncbot
Date: 2025-05-09T07:10:20Z
New Revision: 145aa66f689c24c0cf2fffd995ba83678cfaa310

URL: https://github.com/llvm/llvm-project/commit/145aa66f689c24c0cf2fffd995ba83678cfaa310
DIFF: https://github.com/llvm/llvm-project/commit/145aa66f689c24c0cf2fffd995ba83678cfaa310.diff

LOG: [gn build] Port 52924a2d7255

Added: 
    

Modified: 
    llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn

Removed: 
    


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diff  --git a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
index 5b0b680e078c9..e929e0088384d 100644
--- a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
@@ -66,6 +66,7 @@ static_library("Driver") {
     "ToolChains/CommonArgs.cpp",
     "ToolChains/CrossWindows.cpp",
     "ToolChains/Cuda.cpp",
+    "ToolChains/Cygwin.cpp",
     "ToolChains/Darwin.cpp",
     "ToolChains/DragonFly.cpp",
     "ToolChains/Flang.cpp",