[llvm] 37bcd93 - [LLVM][lit] add system-cygwin feature (#152780)

[via llvm-commits]

Author: jeremyd2019
Date: 2025-08-08T13:00:45-07:00
New Revision: 37bcd937766d0bb151d4ee54d72d9cc289fee97b

URL: https://github.com/llvm/llvm-project/commit/37bcd937766d0bb151d4ee54d72d9cc289fee97b
DIFF: https://github.com/llvm/llvm-project/commit/37bcd937766d0bb151d4ee54d72d9cc289fee97b.diff

LOG: [LLVM][lit] add system-cygwin feature (#152780)

There are a few tests in clang that gate on system-windows but also
don't work on Cygwin, so add a system-cygwin feature for them to use.

Added: 
    

Modified: 
    llvm/utils/lit/lit/llvm/config.py

Removed: 
    


################################################################################
diff  --git a/llvm/utils/lit/lit/llvm/config.py b/llvm/utils/lit/lit/llvm/config.py
index 649636d4bcf4c..b04fb25f3c030 100644
--- a/llvm/utils/lit/lit/llvm/config.py
+++ b/llvm/utils/lit/lit/llvm/config.py
@@ -107,6 +107,8 @@ def __init__(self, lit_config, config):
             features.add("system-solaris")
         elif platform.system() == "OS/390":
             features.add("system-zos")
+        elif sys.platform == "cygwin":
+            features.add("system-cygwin")
 
         # Native compilation: host arch == default triple arch
         # Both of these values should probably be in every site config (e.g. as