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, 119 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/sysstate.h b/cpukit/include/rtems/score/sysstate.h
new file mode 100644
index 0000000000..0e01927d9a
--- /dev/null
+++ b/cpukit/include/rtems/score/sysstate.h
@@ -0,0 +1,119 @@
+/**
+ * @file
+ *
+ * @ingroup ScoreSysState
+ *
+ * @brief System State Handler API
+ */
+
+/*
+ *  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_SCORE_SYSSTATE_H
+#define _RTEMS_SCORE_SYSSTATE_H
+
+#include <rtems/score/basedefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup ScoreSysState System State Handler
+ *
+ * @ingroup Score
+ *
+ * @brief Management of the internal system state of RTEMS.
+ */
+/**@{**/
+
+/**
+ * @brief System states.
+ */
+typedef enum {
+  /**
+   * @brief The system is before the end of the first phase of initialization.
+   */
+  SYSTEM_STATE_BEFORE_INITIALIZATION,
+
+  /**
+   * @brief The system is between end of the first phase of initialization but
+   * before  multitasking is started.
+   */
+  SYSTEM_STATE_BEFORE_MULTITASKING,
+
+  /**
+   * @brief The system is up and operating normally.
+   */
+  SYSTEM_STATE_UP,
+
+  /**
+   * @brief The system reached its terminal state.
+   */
+  SYSTEM_STATE_TERMINATED
+} System_state_Codes;
+
+#define SYSTEM_STATE_CODES_FIRST SYSTEM_STATE_BEFORE_INITIALIZATION
+
+#define SYSTEM_STATE_CODES_LAST SYSTEM_STATE_TERMINATED
+
+#if defined(RTEMS_MULTIPROCESSING)
+extern bool _System_state_Is_multiprocessing;
+#endif
+
+extern System_state_Codes _System_state_Current;
+
+RTEMS_INLINE_ROUTINE void _System_state_Set (
+  System_state_Codes state
+)
+{
+  _System_state_Current = state;
+}
+
+RTEMS_INLINE_ROUTINE System_state_Codes _System_state_Get ( void )
+{
+  return _System_state_Current;
+}
+
+RTEMS_INLINE_ROUTINE bool _System_state_Is_before_initialization (
+  System_state_Codes state
+)
+{
+  return (state == SYSTEM_STATE_BEFORE_INITIALIZATION);
+}
+
+RTEMS_INLINE_ROUTINE bool _System_state_Is_before_multitasking (
+  System_state_Codes state
+)
+{
+  return (state == SYSTEM_STATE_BEFORE_MULTITASKING);
+}
+
+RTEMS_INLINE_ROUTINE bool _System_state_Is_up (
+  System_state_Codes state
+)
+{
+  return (state == SYSTEM_STATE_UP);
+}
+
+RTEMS_INLINE_ROUTINE bool _System_state_Is_terminated (
+  System_state_Codes state
+)
+{
+  return (state == SYSTEM_STATE_TERMINATED);
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */