From 6e3b455484731099e65312303051ba9895bfc3f6 Mon Sep 17 00:00:00 2001
From: Charles Zablit <c_zablit@apple.com>
Date: Wed, 19 Nov 2025 17:30:31 +0100
Subject: [PATCH] [lldb][windows] add color to the Python.dll not found error
 (#168718)

Make the `Python.dll not found` error message stand out more by using
the `llvm::WithColor::error()` method.

---

### Example

#### Before

<img width="782" height="431" alt="Screenshot 2025-11-19 at 15 50 22"
src="https://github.com/user-attachments/assets/93960c50-cbf2-41f7-aba3-2f2a8af916cc"
/>

#### After

<img width="780" height="430" alt="Screenshot 2025-11-19 at 15 54 28"
src="https://github.com/user-attachments/assets/f7f4954b-0ce3-4a4b-b9af-5af876032573"
/>

rdar://165047059
---
 lldb/tools/driver/Driver.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lldb/tools/driver/Driver.cpp b/lldb/tools/driver/Driver.cpp
index 1be3969538dd6..99e650686abb1 100644
--- a/lldb/tools/driver/Driver.cpp
+++ b/lldb/tools/driver/Driver.cpp
@@ -518,12 +518,12 @@ void SetupPythonRuntimeLibrary() {
   if (AddPythonDLLToSearchPath() && IsPythonDLLInPath())
     return;
 #endif
-  llvm::errs() << "error: unable to find '"
-               << LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME << "'.\n";
+  WithColor::error() << "unable to find '"
+                     << LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME << "'.\n";
   return;
 #elif defined(LLDB_PYTHON_DLL_RELATIVE_PATH)
   if (!AddPythonDLLToSearchPath())
-    llvm::errs() << "error: unable to find the Python runtime library.\n";
+    WithColor::error() << "unable to find the Python runtime library.\n";
 #endif
 }
 #endif