From 7556893505b9cfc0b0cf4df6a22ef2fa11343108 Mon Sep 17 00:00:00 2001
From: Torsten Wierschin <torsten.wierschin@life-maps.com>
Date: Fri, 17 Jul 2026 12:59:58 +0200
Subject: [PATCH] chore(CMake): guard Lts/Tests add_subdirectory when
 BUILD_TESTING is ON to allow partial checkouts

---
 Lts/CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Lts/CMakeLists.txt b/Lts/CMakeLists.txt
index b6b350b04..a948a2288 100644
--- a/Lts/CMakeLists.txt
+++ b/Lts/CMakeLists.txt
@@ -27,7 +27,11 @@ foreach(dir IN LISTS LTS_SUBDIRS)
 endforeach()
 
 IF (BUILD_TESTING)
-  ADD_SUBDIRECTORY(Tests)
+  if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/Tests")
+    ADD_SUBDIRECTORY(Tests)
+  else()
+    message(STATUS "Skipping missing Tests directory under Lts (BUILD_TESTING is ON)")
+  endif()
 ENDIF()
 
 OPTION(BUILD_DOCS "Build documentation as html files from Lts/Documentation" OFF)