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, 101 insertions, 0 deletions

diff --git a/bsps/arm/atsam/include/libchip/include/pmc.h b/bsps/arm/atsam/include/libchip/include/pmc.h
new file mode 100644
index 0000000000..4494513fff
--- /dev/null
+++ b/bsps/arm/atsam/include/libchip/include/pmc.h
@@ -0,0 +1,101 @@
+/* ---------------------------------------------------------------------------- */
+/*                  Atmel Microcontroller Software Support                      */
+/*                       SAM Software Package License                           */
+/* ---------------------------------------------------------------------------- */
+/* Copyright (c) 2015, Atmel Corporation                                        */
+/*                                                                              */
+/* All rights reserved.                                                         */
+/*                                                                              */
+/* Redistribution and use in source and binary forms, with or without           */
+/* modification, are permitted provided that the following condition is met:    */
+/*                                                                              */
+/* - Redistributions of source code must retain the above copyright notice,     */
+/* this list of conditions and the disclaimer below.                            */
+/*                                                                              */
+/* Atmel's name may not be used to endorse or promote products derived from     */
+/* this software without specific prior written permission.                     */
+/*                                                                              */
+/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
+/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
+/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,      */
+/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
+/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,  */
+/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    */
+/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING         */
+/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
+/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           */
+/* ---------------------------------------------------------------------------- */
+
+#ifndef _PMC_
+#define _PMC_
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+#include <stdint.h>
+
+
+/*----------------------------------------------------------------------------
+ *        Definitions
+ *----------------------------------------------------------------------------*/
+/* Definition for fast RC frequency */
+#define FAST_RC_4MHZ     CKGR_MOR_MOSCRCF_4MHz
+#define FAST_RC_8MHZ     CKGR_MOR_MOSCRCF_8MHz
+#define FAST_RC_12MHZ    CKGR_MOR_MOSCRCF_12MHz
+
+/* Definitions for startup count.
+ * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us
+ */
+/* Default startup count for 4/8/12MHz fast RC (startup time: 10us) */
+#define DEFAUTL_FAST_RC_COUNT    1
+/* Default startup count for 3-20MHz main oscillator (startup time: 1.4ms) */
+#define DEFAUTL_MAIN_OSC_COUNT   8
+/* Default startup count for PLLA (startup time: 200us) */
+#define DEFAUTL_PLLA_COUNT       1
+/* Default startup count for UPLL */
+#define DEFAUTL_UPLL_COUNT       3
+/* No change for default startup count */
+#define DEFAUTL_COUNT_NO_CHANGE  0xFFFF
+
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void PMC_EnablePeripheral(uint32_t dwId);
+extern void PMC_DisablePeripheral(uint32_t dwId);
+
+extern void PMC_EnableAllPeripherals(void);
+extern void PMC_DisableAllPeripherals(void);
+
+extern uint32_t PMC_IsPeriphEnabled(uint32_t dwId);
+
+extern void PMC_SelectExtOsc(void);
+extern void PMC_EnableExtOsc(void);
+extern void PMC_DisableExtOsc(void);
+extern void PMC_SelectExtBypassOsc(void);
+extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq);
+extern void PMC_DisableIntRC4_8_12MHz(void);
+extern void PMC_SetPllaClock(uint32_t mul, uint32_t div);
+extern void PMC_SetPllbClock(uint32_t mul, uint32_t div);
+extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler);
+extern void PMC_DisableAllClocks(void);
+extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div,
+									 uint32_t prescaler);
+extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div,
+									 uint32_t prescaler);
+extern void PMC_EnableXT32KFME(void);
+extern void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler);
+extern void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler);
+extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* #ifndef _PMC_ */