confdefs: Fix cyclic dependency

Close #4060.

cpukit/include/rtems/confdefs/mpci.h

@@ -6,9 +6,6 @@
  * @ingroup RTEMSApplicationConfiguration
  *
  * @brief Evaluate MPCI Configuration Options
- *
- * This header file defines _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT for use by
- * other configuration header files.
  */
 
 /*
@@ -49,6 +46,8 @@
 
 #ifdef CONFIGURE_MP_APPLICATION
 
+#include <rtems/confdefs/threads.h>
+
 #ifndef CONFIGURE_EXTRA_MPCI_RECEIVE_SERVER_STACK
   #define CONFIGURE_EXTRA_MPCI_RECEIVE_SERVER_STACK 0
 #endif
@@ -83,8 +82,6 @@
   #error "CONFIGURE_MP_NODE_NUMBER must be less than or equal to CONFIGURE_MP_MAXIMUM_NODES"
 #endif
 
-#define _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT 1
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -126,10 +123,6 @@ RTEMS_SECTION( ".rtemsstack.mpci" );
 }
 #endif
 
-#else /* CONFIGURE_MP_APPLICATION */
-
-#define _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT 0
-
 #endif /* CONFIGURE_MP_APPLICATION */
 
 #else /* RTEMS_MULTIPROCESSING */
@@ -138,8 +131,6 @@ RTEMS_SECTION( ".rtemsstack.mpci" );
   #error "CONFIGURE_MP_APPLICATION must not be defined if multiprocessing is disabled"
 #endif
 
-#define _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT 0
-
 #endif /* RTEMS_MULTIPROCESSING */
 
 #endif /* CONFIGURE_INIT */

cpukit/include/rtems/confdefs/threads.h

@@ -44,7 +44,6 @@
 
 #include <rtems/confdefs/bdbuf.h>
 #include <rtems/confdefs/extensions.h>
-#include <rtems/confdefs/mpci.h>
 #include <rtems/confdefs/percpu.h>
 #include <rtems/confdefs/scheduler.h>
 #include <rtems/confdefs/unlimited.h>
@@ -197,6 +196,12 @@ const size_t _Thread_Initial_thread_count =
   rtems_resource_maximum_per_allocation( _CONFIGURE_TASKS ) +
   rtems_resource_maximum_per_allocation( CONFIGURE_MAXIMUM_POSIX_THREADS );
 
+#if defined(RTEMS_MULTIPROCESSING) && defined(CONFIGURE_MP_APPLICATION)
+  #define _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT 1
+#else
+  #define _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT 0
+#endif
+
 THREAD_INFORMATION_DEFINE(
   _Thread,
   OBJECTS_INTERNAL_API,