From 8c8e874236727ea68532f456b06ff8f8757bff9c Mon Sep 17 00:00:00 2001
From: kota-yata <kota@yatagai.com>
Date: Thu, 11 Dec 2025 12:06:58 +0900
Subject: [PATCH] Fix local build error when no BUILD_NUMBER_CACHE exist

---
 cmake/common/buildnumber.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake/common/buildnumber.cmake b/cmake/common/buildnumber.cmake
index 471ecbb..cc90449 100644
--- a/cmake/common/buildnumber.cmake
+++ b/cmake/common/buildnumber.cmake
@@ -24,6 +24,9 @@ if(NOT DEFINED PLUGIN_BUILD_NUMBER)
       else()
         set(PLUGIN_BUILD_NUMBER "1")
       endif()
+    else()
+      # Local builds without an existing cache default to 1
+      set(PLUGIN_BUILD_NUMBER "1")
     endif()
   endif()
   file(WRITE "${_BUILD_NUMBER_CACHE}" "${PLUGIN_BUILD_NUMBER}")