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, 129 insertions, 0 deletions

diff --git a/cpukit/include/rtems/posix/pthreadimpl.h b/cpukit/include/rtems/posix/pthreadimpl.h
new file mode 100644
index 0000000000..3e2351e57e
--- /dev/null
+++ b/cpukit/include/rtems/posix/pthreadimpl.h
@@ -0,0 +1,129 @@
+/**
+ * @file
+ *
+ * @brief POSIX Threads Private Support
+ *
+ * This include file contains all the private support information for
+ * POSIX threads.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2011.
+ *  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_POSIX_PTHREADIMPL_H
+#define _RTEMS_POSIX_PTHREADIMPL_H
+
+#include <rtems/posix/pthread.h>
+#include <rtems/posix/config.h>
+#include <rtems/posix/threadsup.h>
+#include <rtems/score/assert.h>
+#include <rtems/score/objectimpl.h>
+#include <rtems/score/timespec.h>
+#include <rtems/score/threadimpl.h>
+#include <rtems/score/watchdogimpl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup POSIX_PTHREAD
+ */
+/**@{**/
+
+/**
+ * The following sets the minimum stack size for POSIX threads.
+ */
+#define PTHREAD_MINIMUM_STACK_SIZE (_Stack_Minimum() * 2)
+
+/**
+ * The following defines the information control block used to manage
+ * this class of objects.
+ */
+extern Thread_Information _POSIX_Threads_Information;
+
+RTEMS_INLINE_ROUTINE void _POSIX_Threads_Sporadic_timer_insert(
+  Thread_Control    *the_thread,
+  POSIX_API_Control *api
+)
+{
+  the_thread->cpu_time_budget =
+    _Timespec_To_ticks( &api->Sporadic.sched_ss_init_budget );
+
+  _Watchdog_Per_CPU_insert_ticks(
+    &api->Sporadic.Timer,
+    _Per_CPU_Get(),
+    _Timespec_To_ticks( &api->Sporadic.sched_ss_repl_period )
+  );
+}
+
+void _POSIX_Threads_Sporadic_timer( Watchdog_Control *watchdog );
+
+/**
+ * @brief POSIX threads sporadic budget callout.
+ *
+ * This routine handles the sporadic scheduling algorithm.
+ *
+ * @param[in] the_thread is a pointer to the thread whose budget
+ * has been exceeded.
+ */
+void _POSIX_Threads_Sporadic_budget_callout(
+  Thread_Control *the_thread
+);
+
+int _POSIX_Thread_Translate_to_sched_policy(
+  Thread_CPU_budget_algorithms budget_algorithm
+);
+
+/**
+ * @brief Translate sched_param into SuperCore terms.
+ *
+ * This method translates the POSIX API sched_param into the corresponding
+ * SuperCore settings.
+ *
+ * @param[in] policy is the POSIX scheduling policy
+ * @param[in] param points to the scheduling parameter structure
+ * @param[in] budget_algorithm points to the output CPU Budget algorithm
+ * @param[in] budget_callout points to the output CPU Callout
+ *
+ * @retval 0 Indicates success.
+ * @retval error_code POSIX error code indicating failure.
+ */
+int _POSIX_Thread_Translate_sched_param(
+  int                                  policy,
+  struct sched_param                  *param,
+  Thread_CPU_budget_algorithms        *budget_algorithm,
+  Thread_CPU_budget_algorithm_callout *budget_callout
+);
+
+RTEMS_INLINE_ROUTINE Thread_Control *_POSIX_Threads_Allocate(void)
+{
+  _Objects_Allocator_lock();
+
+  _Thread_Kill_zombies();
+
+  return (Thread_Control *)
+    _Objects_Allocate_unprotected( &_POSIX_Threads_Information.Objects );
+}
+
+RTEMS_INLINE_ROUTINE void _POSIX_Threads_Free (
+  Thread_Control *the_pthread
+)
+{
+  _Objects_Free( &_POSIX_Threads_Information.Objects, &the_pthread->Object );
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*  end of include file */