From a379c64a617749881ee8738d6f93da3ca0d3fff6 Mon Sep 17 00:00:00 2001
From: Pim Vermeer <pim.vermeer@gmail.com>
Date: Sun, 21 Jan 2024 17:06:50 +0000
Subject: [PATCH] fix(build-linux): use older variable name in systemd query

The Ubuntu 20.x uses an older systemd version.
Both variable names work for all distros.
---
 cmake/FindSystemd.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/FindSystemd.cmake b/cmake/FindSystemd.cmake
index 3f1d2599669..c41ca64d248 100644
--- a/cmake/FindSystemd.cmake
+++ b/cmake/FindSystemd.cmake
@@ -14,14 +14,14 @@ IF (NOT WIN32)
 
     if (SYSTEMD_FOUND)
         execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
-            --variable=systemd_user_unit_dir systemd
+            --variable=systemduserunitdir systemd
             OUTPUT_VARIABLE SYSTEMD_USER_UNIT_INSTALL_DIR)
 
         string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_USER_UNIT_INSTALL_DIR
             "${SYSTEMD_USER_UNIT_INSTALL_DIR}")
 
         execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE}
-            --variable=systemd_system_unit_dir systemd
+            --variable=systemdsystemunitdir systemd
             OUTPUT_VARIABLE SYSTEMD_SYSTEM_UNIT_INSTALL_DIR)
 
         string(REGEX REPLACE "[ \t\n]+" "" SYSTEMD_SYSTEM_UNIT_INSTALL_DIR