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, 124 insertions, 0 deletions

diff --git a/bsps/powerpc/include/rtems/powerpc/debugmod.h b/bsps/powerpc/include/rtems/powerpc/debugmod.h
new file mode 100644
index 0000000000..61b650695c
--- /dev/null
+++ b/bsps/powerpc/include/rtems/powerpc/debugmod.h
@@ -0,0 +1,124 @@
+/*  debugmod.h
+ *
+ *  This file contains definitions for the IBM/Motorola PowerPC
+ *  family members.
+ *
+ *  Author:	Andrew Bray <andy@i-cubed.co.uk>
+ *
+ *  COPYRIGHT (c) 1995 by i-cubed ltd.
+ *
+ *  MPC860 support code was added by Jay Monkman <jmonkman@frasca.com>
+ *  MPC8260 support added by Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited
+ *
+ *  To anyone who acknowledges that this file is provided "AS IS"
+ *  without any express or implied warranty:
+ *      permission to use, copy, modify, and distribute this file
+ *      for any purpose is hereby granted without fee, provided that
+ *      the above copyright notice and this notice appears in all
+ *      copies, and that the name of i-cubed limited not be used in
+ *      advertising or publicity pertaining to distribution of the
+ *      software without specific, written prior permission.
+ *      i-cubed limited makes no representations about the suitability
+ *      of this software for any purpose.
+ *
+ *  Derived from c/src/exec/cpu/no_cpu/no_cpu.h:
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ *
+ *
+ * Note:
+ *      This file is included by both C and assembler code ( -DASM )
+ */
+
+/*
+ * FIXME: This file is not used anywhere inside of RTEMS source-tree.
+ * Notify OAR if you actually use it, otherwise it might be removed in
+ * future versions of RTEMS
+ */
+
+#ifndef _RTEMS_POWERPC_DEBUGMOD_H
+#define _RTEMS_POWERPC_DEBUGMOD_H
+
+#warning "please read the FIXME inside of this file"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  This file contains the information required to build
+ *  RTEMS for a particular member of the PowerPC family.  It does
+ *  this by setting variables to indicate which implementation
+ *  dependent features are present in a particular member
+ *  of the family.
+ *
+ *  The following architectural feature definitions are defaulted
+ *  unless specifically set by the model definition:
+ *
+ *    + PPC_DEBUG_MODEL          - PPC_DEBUG_MODEL_STANDARD
+ */
+
+/*
+ *  Define the debugging assistance models found in the PPC family.
+ *
+ *  Standard:         single step and branch trace
+ *  Single Step Only: single step only
+ *  IBM 4xx:          debug exception
+ */
+
+#define PPC_DEBUG_MODEL_STANDARD         1
+#define PPC_DEBUG_MODEL_SINGLE_STEP_ONLY 2
+#define PPC_DEBUG_MODEL_IBM4xx           3
+
+#elif defined(ppc403) || defined(ppc405) || defined(ppc440)
+
+#define PPC_DEBUG_MODEL          PPC_DEBUG_MODEL_IBM4xx
+
+#elif defined(ppc601)
+
+#define PPC_DEBUG_MODEL PPC_DEBUG_MODEL_SINGLE_STEP_ONLY
+
+#endif
+
+/*
+ *  Use the default debug scheme defined in the architectural specification
+ *  if another model has not been specified.
+ */
+
+#ifndef PPC_DEBUG_MODEL
+#define PPC_DEBUG_MODEL PPC_DEBUG_MODEL_STANDARD
+#endif
+
+/*
+ *  Interrupt/exception MSR bits set as defined on p. 2-20 in "The Programming
+ *  Environments" and the manuals for various PPC models.
+ */
+
+#if (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_STANDARD)
+#define PPC_MSR_DE       0x000000000 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE       0x000000200 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE       0x000000400 /* bit 21 - single step trace enable */
+#elif (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_SINGLE_STEP_ONLY)
+#define PPC_MSR_DE       0x000000000 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE       0x000000200 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE       0x000000000 /* bit 21 - single step trace enable */
+#elif (PPC_DEBUG_MODEL == PPC_DEBUG_MODEL_IBM4xx)
+#define PPC_MSR_DE       0x000000200 /* bit 22 - debug exception enable */
+#define PPC_MSR_BE       0x000000000 /* bit 22 - branch trace enable */
+#define PPC_MSR_SE       0x000000000 /* bit 21 - single step trace enable */
+#else
+#error "MSR constants -- unknown PPC_DEBUG_MODEL!!"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTEMS_POWERPC_DEBUGMOD_H */
+/* end of include file */