From 8cf074444f5698259d198c5dd6aeca5af8565b65 Mon Sep 17 00:00:00 2001
From: Chris Thrasher <chrisjthrasher@gmail.com>
Date: Wed, 11 Sep 2024 09:44:49 -0600
Subject: [PATCH] Stop using deprecated `DOXYGEN_EXECUTABLE` variable

This was deprecated in CMake 3.9.

See https://cmake.org/cmake/help/v3.22/module/FindDoxygen.html#variable:DOXYGEN_EXECUTABLE
---
 doc/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 325b7053..6118c81f 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -39,7 +39,7 @@ configure_file(${DOXYGEN_INPUT_DIR}/doc/searchOverrides.css ${DOXYGEN_OUTPUT_DIR
 # target setup
 add_custom_target(doc ALL
                   COMMAND ${CMAKE_COMMAND} -E echo_append "Building API Documentation..."
-                  COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_CONFIGURED_INPUT}
+                  COMMAND Doxygen::doxygen ${DOXYGEN_CONFIGURED_INPUT}
                   COMMAND ${CMAKE_COMMAND} -E echo "Done."
                   WORKING_DIRECTORY ${DOXYGEN_INPUT_DIR})