From aba2d14762fbc4596f9b32d5acb7a87920092d40 Mon Sep 17 00:00:00 2001
From: Matt Shin <matthew.shin@metoffice.gov.uk>
Date: Mon, 22 Sep 2025 15:30:42 +0100
Subject: [PATCH] cmake configure test only when BUILD_TESTING=ON

Determine whether to build tests by following the CTest module
BUILD_TESTING option.
---
 CMakeLists.txt | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6dfae8..4a73ed2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,11 +45,13 @@ get_directory_property(MONIO_DEFINITIONS COMPILE_DEFINITIONS)
 
 ## Sources
 include(monio_compiler_flags)
-include_directories(${MONIO_INCLUDE_DIRS}
-                    ${CMAKE_CURRENT_SOURCE_DIR}/test)
-
+include_directories(${MONIO_INCLUDE_DIRS})
 add_subdirectory(src)
-add_subdirectory(test)
+
+if(BUILD_TESTING)
+  include_directories(${CMAKE_CURRENT_SOURCE_DIR}/test)
+  add_subdirectory(test)
+endif()
 
 ## Finalise configuration
 ecbuild_install_project(NAME ${PROJECT_NAME})