From 5c4461a15479255648f2314a3edb5f453dbaa5a4 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 12 Dec 2020 15:18:29 +0100
Subject: [PATCH] Return "" and not "Unknown" from wxMSW
 wxGetCpuArchitectureName()

This is more consistent with the Unix version, and easier to test for
in the application code.
---
 interface/wx/utils.h | 3 +++
 src/msw/utils.cpp    | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/interface/wx/utils.h b/interface/wx/utils.h
index b241060a96..1d17b6986e 100644
--- a/interface/wx/utils.h
+++ b/interface/wx/utils.h
@@ -995,6 +995,9 @@ bool wxIsPlatformLittleEndian();
     "arm64", or "i86pc". The name for the same CPU running on the same
     hardware can vary across operating systems.
 
+    The returned string may be empty if the CPU architecture couldn't be
+    recognized.
+
     @since 3.1.5
 */
 wxString wxGetCpuArchitectureName();
diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp
index 053f7e2c54..6090e1351d 100644
--- a/src/msw/utils.cpp
+++ b/src/msw/utils.cpp
@@ -1297,7 +1297,7 @@ wxString wxGetCpuArchitectureName()
 
     case PROCESSOR_ARCHITECTURE_UNKNOWN:
     default:
-        return "Unknown";
+        return wxString();
     }
 }