--- scheduler/main.c	2026-04-28 01:13:21.000000000 +0800
+++ scheduler/main.c	2026-06-08 22:01:57.000000000 +0800
@@ -17,8 +17,12 @@
 #include "cupsd.h"
 #include <sys/resource.h>
 #ifdef __APPLE__
-#  include <xpc/xpc.h>
-#  include <pthread/qos.h>
+#  if defined(HAVE_XPC)
+#    include <xpc/xpc.h>
+#  endif
+#  if defined(HAVE_QOS)
+#    include <pthread/qos.h>
+#  endif
 #endif /* __APPLE__ */
 #ifdef HAVE_ASL_H
 #  include <asl.h>
@@ -1933,7 +1937,7 @@
               count;                        /* Number of listeners */
     int       *ld_sockets;                  /* Listener sockets */
 
-#  ifdef __APPLE__
+#  if defined(__APPLE__) && defined(HAVE_QOS)
    /*
     * Force "user initiated" priority for the main thread...
     */
@@ -1962,7 +1966,7 @@
 
     free(ld_sockets);
 
-#  ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
     xpc_transaction_begin();
 #  endif /* __APPLE__ */
   }
@@ -2132,7 +2136,7 @@
       cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create KeepAlive/PID file \"%s\": %s", pidfile, strerror(errno));
   }
 
-#  ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
   if (OnDemand && shutdown)
     xpc_transaction_end();
 #  endif /* __APPLE__ */

--- scheduler/cups-lpd.c	2026-04-28 01:13:21.000000000 +0800
+++ scheduler/cups-lpd.c	2026-06-08 21:56:06.000000000 +0800
@@ -26,7 +26,7 @@
 #ifdef HAVE_INTTYPES_H
 #  include <inttypes.h>
 #endif /* HAVE_INTTYPES_H */
-#ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
 #  include <xpc/xpc.h>
 #endif /* __APPLE__ */
 
@@ -97,7 +97,7 @@
   int		hostlookups;		/* Do hostname lookups? */
 
 
-#ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
   xpc_transaction_begin();
 #endif /* __APPLE__ */
 
@@ -215,7 +215,7 @@
     syslog(LOG_ERR, "Unable to get command line from client!");
     putchar(1);
 
-#ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
     xpc_transaction_end();
 #endif /* __APPLE__ */
 
@@ -306,7 +306,7 @@
   syslog(LOG_INFO, "Closing connection");
   closelog();
 
-#ifdef __APPLE__
+#if defined(__APPLE__) && defined(HAVE_XPC)
   xpc_transaction_end();
 #endif /* __APPLE__ */