mptests: Avoid build system defined defines

Update #3818.

testsuites/mptests/mp04/initimpl.h

@@ -0,0 +1,60 @@
+/*  Init
+ *
+ *  This routine is the initialization task for this test program.
+ *  It is a user initialization task and has the responsibility for creating
+ *  and starting the tasks that make up the test.  If the time of day
+ *  clock is required for the test, it should also be set to a known
+ *  value by this function.
+ *
+ *  Input parameters:
+ *    argument - task argument
+ *
+ *  Output parameters:  NONE
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define CONFIGURE_INIT
+#include "system.h"
+
+rtems_task Init(
+  rtems_task_argument argument
+)
+{
+  rtems_status_code status;
+
+  printf(
+    "\n\n*** TEST 4 -- NODE %" PRId32 " ***\n",
+    Multiprocessing_configuration.node
+  );
+
+  Task_name[ 1 ] = rtems_build_name( '1', '1', '1', ' ' );
+  Task_name[ 2 ] = rtems_build_name( '2', '2', '2', ' ' );
+
+  puts( "Creating Test_task (Global)" );
+  status = rtems_task_create(
+    Task_name[ Multiprocessing_configuration.node ],
+    Multiprocessing_configuration.node,
+    RTEMS_MINIMUM_STACK_SIZE,
+    RTEMS_DEFAULT_MODES,
+    RTEMS_GLOBAL,
+    &Task_id[ 1 ]
+  );
+  directive_failed( status, "rtems_task_create" );
+
+  puts( "Starting Test_task (Global)" );
+  status = rtems_task_start( Task_id[ 1 ], Test_task, 0 );
+  directive_failed( status, "rtems_task_start" );
+
+  puts( "Deleting initialization task" );
+  rtems_task_exit();
+}