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, 146 insertions, 0 deletions

diff --git a/cpukit/include/rtems/rtems/modesimpl.h b/cpukit/include/rtems/rtems/modesimpl.h
new file mode 100644
index 0000000000..8c1acc7cb9
--- /dev/null
+++ b/cpukit/include/rtems/rtems/modesimpl.h
@@ -0,0 +1,146 @@
+/**
+ * @file
+ *
+ * @ingroup ClassicModesImpl
+ *
+ * @brief Classic Modes Implementation
+ */
+
+/*  COPYRIGHT (c) 1989-2008.
+ *  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_MODESIMPL_H
+#define _RTEMS_RTEMS_MODESIMPL_H
+
+#include <rtems/rtems/modes.h>
+#include <rtems/score/isrlevel.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup ClassicModesImpl Classic Modes Implementation
+ *
+ * @ingroup ClassicModes
+ *
+ * @{
+ */
+
+/**
+ *  @brief Checks if any of the mode flags in mask are set in mode_set.
+ *
+ *  This function returns TRUE if any of the mode flags in mask
+ *  are set in mode_set, and FALSE otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _Modes_Mask_changed (
+  Modes_Control mode_set,
+  Modes_Control masks
+)
+{
+   return ( mode_set & masks ) ? true : false;
+}
+
+/**
+ *  @brief Checks if mode_set says that Asynchronous Signal Processing is disabled.
+ *
+ *  This function returns TRUE if mode_set indicates that Asynchronous
+ *  Signal Processing is disabled, and FALSE otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _Modes_Is_asr_disabled (
+  Modes_Control mode_set
+)
+{
+   return (mode_set & RTEMS_ASR_MASK) == RTEMS_NO_ASR;
+}
+
+/**
+ *  @brief Checks if mode_set indicates that preemption is enabled.
+ *
+ *  This function returns TRUE if mode_set indicates that preemption
+ *  is enabled, and FALSE otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _Modes_Is_preempt (
+  Modes_Control mode_set
+)
+{
+   return (mode_set & RTEMS_PREEMPT_MASK) == RTEMS_PREEMPT;
+}
+
+/**
+ *  @brief Checks if mode_set indicates that timeslicing is enabled.
+ *
+ *  This function returns TRUE if mode_set indicates that timeslicing
+ *  is enabled, and FALSE otherwise.
+ */
+RTEMS_INLINE_ROUTINE bool _Modes_Is_timeslice (
+  Modes_Control mode_set
+)
+{
+  return (mode_set & RTEMS_TIMESLICE_MASK) == RTEMS_TIMESLICE;
+}
+
+/**
+ *  @brief Gets the interrupt level portion of the mode_set.
+ *
+ *  This function returns the interrupt level portion of the mode_set.
+ */
+RTEMS_INLINE_ROUTINE ISR_Level _Modes_Get_interrupt_level (
+  Modes_Control mode_set
+)
+{
+  return ( mode_set & RTEMS_INTERRUPT_MASK );
+}
+
+/**
+ *  @brief Sets the current interrupt level to that specified in the mode_set.
+ *
+ *  This routine sets the current interrupt level to that specified
+ *  in the mode_set.
+ */
+RTEMS_INLINE_ROUTINE void _Modes_Set_interrupt_level (
+  Modes_Control mode_set
+)
+{
+  _ISR_Set_level( _Modes_Get_interrupt_level( mode_set ) );
+}
+
+/**
+ *  @brief Changes the modes in old_mode_set indicated by
+ *  mask to the requested values in new_mode_set.
+ *
+ *  This routine changes the modes in old_mode_set indicated by
+ *  mask to the requested values in new_mode_set.  The resulting
+ *  mode set is returned in out_mode_set and the modes that changed
+ *  is returned in changed.
+ */
+RTEMS_INLINE_ROUTINE void _Modes_Change (
+  Modes_Control  old_mode_set,
+  Modes_Control  new_mode_set,
+  Modes_Control  mask,
+  Modes_Control *out_mode_set,
+  Modes_Control *changed
+)
+{
+  Modes_Control _out_mode;
+
+  _out_mode      =  old_mode_set;
+  _out_mode     &= ~mask;
+  _out_mode     |= new_mode_set & mask;
+  *changed       = _out_mode ^ old_mode_set;
+  *out_mode_set  = _out_mode;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+/**@}*/
+
+#endif
+/* end of include file */