Remove make preinstall

A speciality of the RTEMS build system was the make preinstall step.  It
copied header files from arbitrary locations into the build tree.  The
header files were included via the -Bsome/build/tree/path GCC command
line option.

This has at least seven problems:

* The make preinstall step itself needs time and disk space.

* Errors in header files show up in the build tree copy.  This makes it
  hard for editors to open the right file to fix the error.

* There is no clear relationship between source and build tree header
  files.  This makes an audit of the build process difficult.

* The visibility of all header files in the build tree makes it
  difficult to enforce API barriers.  For example it is discouraged to
  use BSP-specifics in the cpukit.

* An introduction of a new build system is difficult.

* Include paths specified by the -B option are system headers.  This
  may suppress warnings.

* The parallel build had sporadic failures on some hosts.

This patch removes the make preinstall step.   All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc.  Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.

The new cpukit include directories are:

* cpukit/include

* cpukit/score/cpu/@RTEMS_CPU@/include

* cpukit/libnetworking

The new BSP include directories are:

* bsps/include

* bsps/@RTEMS_CPU@/include

* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include

There are build tree include directories for generated files.

The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.

The "bootstrap -p" option was removed.  The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.

Update #3254.

1 files changed, 131 insertions, 0 deletions

diff --git a/cpukit/include/rtems/rtems/tasksimpl.h b/cpukit/include/rtems/rtems/tasksimpl.h
new file mode 100644
index 0000000000..b0432351f3
--- /dev/null
+++ b/cpukit/include/rtems/rtems/tasksimpl.h
@@ -0,0 +1,131 @@
+/**
+ * @file
+ *
+ * @ingroup ClassicTasksImpl
+ *
+ * @brief Classic Tasks Manager Implementation
+ */
+
+/*  COPYRIGHT (c) 1989-2014.
+ *  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.
+ */
+
+#ifndef _RTEMS_RTEMS_TASKSIMPL_H
+#define _RTEMS_RTEMS_TASKSIMPL_H
+
+#include <rtems/rtems/tasks.h>
+#include <rtems/score/objectimpl.h>
+#include <rtems/score/schedulerimpl.h>
+#include <rtems/score/threadimpl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup ClassicTasksImpl Classic Tasks Manager Implementation
+ *
+ * @ingroup ClassicTasks
+ *
+ * @{
+ */
+
+/**
+ *  The following instantiates the information control block used to
+ *  manage this class of objects.
+ */
+extern Thread_Information _RTEMS_tasks_Information;
+
+/**
+ *  @brief RTEMS User Task Initialization
+ *
+ *  This routine creates and starts all configured user
+ *  initialization threads.
+ */
+void _RTEMS_tasks_Initialize_user_tasks( void );
+
+RTEMS_INLINE_ROUTINE Thread_Control *_RTEMS_tasks_Allocate(void)
+{
+  _Objects_Allocator_lock();
+
+  _Thread_Kill_zombies();
+
+  return (Thread_Control *)
+    _Objects_Allocate_unprotected( &_RTEMS_tasks_Information.Objects );
+}
+
+/**
+ *  @brief Frees a task control block.
+ *
+ *  This routine frees a task control block to the
+ *  inactive chain of free task control blocks.
+ */
+RTEMS_INLINE_ROUTINE void _RTEMS_tasks_Free (
+  Thread_Control *the_task
+)
+{
+  _Objects_Free(
+    _Objects_Get_information_id( the_task->Object.id ),
+    &the_task->Object
+  );
+}
+
+/**
+ * @brief Converts the RTEMS API priority to the corresponding SuperCore
+ * priority and validates it.
+ *
+ * The RTEMS API system priority is accepted as valid.
+ *
+ * @param[in] scheduler The scheduler instance.
+ * @param[in] priority The RTEMS API priority to convert and validate.
+ * @param[out] valid Indicates if the RTEMS API priority is valid and a
+ *   corresponding SuperCore priority in the specified scheduler instance
+ *   exists.
+ *
+ * @return The corresponding SuperCore priority.
+ */
+RTEMS_INLINE_ROUTINE Priority_Control _RTEMS_Priority_To_core(
+  const Scheduler_Control *scheduler,
+  rtems_task_priority      priority,
+  bool                    *valid
+)
+{
+  *valid = ( priority <= scheduler->maximum_priority );
+
+  return _Scheduler_Map_priority( scheduler, (Priority_Control) priority );
+}
+
+/**
+ * @brief Converts the SuperCore priority to the corresponding RTEMS API
+ * priority.
+ *
+ * @param[in] scheduler The scheduler instance.
+ * @param[in] priority The SuperCore priority to convert.
+ *
+ * @return The corresponding RTEMS API priority.
+ */
+RTEMS_INLINE_ROUTINE rtems_task_priority _RTEMS_Priority_From_core(
+  const Scheduler_Control *scheduler,
+  Priority_Control         priority
+)
+{
+  return (rtems_task_priority)
+    _Scheduler_Unmap_priority( scheduler, priority );
+}
+
+/**@}*/
+
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/rtems/taskmp.h>
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */