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, 62 insertions, 0 deletions

diff --git a/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h b/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h
new file mode 100644
index 0000000000..e26dfb2cc3
--- /dev/null
+++ b/bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 2012, 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Oleksandr Rybalko under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.	Redistributions of source code must retain the above copyright
+ *	notice, this list of conditions and the following disclaimer.
+ * 2.	Redistributions in binary form must reproduce the above copyright
+ *	notice, this list of conditions and the following disclaimer in the
+ *	documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD: head/sys/arm/freescale/imx/imx_wdogreg.h 291367 2015-11-26 17:26:52Z ian $
+ */
+
+#define	WDOG_CLK_FREQ	32768
+
+#define	WDOG_CR_REG	0x00	/* Control Register */
+#define		WDOG_CR_WT_MASK		0xff00	/* Count of 0.5 sec */
+#define		WDOG_CR_WT_SHIFT	8
+#define		WDOG_CR_WDW		(1 << 7) /* Suspend WDog */
+#define		WDOG_CR_WDA		(1 << 5) /* Don't touch ipp_wdog */
+#define		WDOG_CR_SRS		(1 << 4) /* Don't touch sys_reset */
+#define		WDOG_CR_WDT		(1 << 3) /* Assert ipp_wdog on tout */
+#define		WDOG_CR_WDE		(1 << 2) /* WDog Enable */
+#define		WDOG_CR_WDBG		(1 << 1) /* Suspend when DBG mode */
+#define		WDOG_CR_WDZST		(1 << 0) /* Suspend when LP mode */
+
+#define	WDOG_SR_REG	0x02	/* Service Register */
+#define		WDOG_SR_STEP1		0x5555
+#define		WDOG_SR_STEP2		0xaaaa
+
+#define	WDOG_RSR_REG	0x04	/* Reset Status Register */
+#define		WDOG_RSR_POR		(1 << 4) /* Due to Power-On Reset */
+#define		WDOG_RSR_TOUT		(1 << 1) /* Due WDog timeout reset */
+#define		WDOG_RSR_SFTW		(1 << 0) /* Due Soft reset */
+
+#define	WDOG_ICR_REG	0x06	/* Interrupt Control Register */
+#define		WDOG_ICR_WIE		(1 << 15) /* Enable Interrupt */
+#define		WDOG_ICR_WTIS		(1 << 14) /* Interrupt has occurred */
+#define		WDOG_ICR_WTCT_MASK	0x00ff
+#define		WDOG_ICR_WTCT_SHIFT	0	/* Interrupt hold time */
+
+#define	WDOG_MCR_REG	0x08	/* Miscellaneous Control Register */
+#define		WDOG_MCR_PDE		(1 << 0)
+