From 157d4d91635162965a2273f4f8c6d35bf1defbda Mon Sep 17 00:00:00 2001
From: Chris Thrasher <chrisjthrasher@gmail.com>
Date: Tue, 10 Sep 2024 15:54:56 -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 52bd326db..700c59c2c 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -52,7 +52,7 @@ configure_file(${DOXYGEN_INPUT_DIR}/doc/searchOverrides.css ${DOXYGEN_OUTPUT_DIR
 # target setup
 add_custom_target(doc
                   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})