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, 61 insertions, 0 deletions

diff --git a/bsps/arm/imx/include/arm/freescale/imx/imx_iomuxreg.h b/bsps/arm/imx/include/arm/freescale/imx/imx_iomuxreg.h
new file mode 100644
index 0000000000..b84fde26de
--- /dev/null
+++ b/bsps/arm/imx/include/arm/freescale/imx/imx_iomuxreg.h
@@ -0,0 +1,61 @@
+/*-
+ * Copyright (c) 2015 Oleksandr Tymoshenko <gonzo@freebsd.org>
+ * All rights reserved.
+ *
+ * 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_iomuxreg.h 322015 2017-08-03 14:43:41Z ian $
+ */
+
+#ifndef	IMX_IOMUXREG_H
+#define	IMX_IOMUXREG_H
+
+#define	IMX_IOMUXREG_LOWEST_SET_BIT(__mask) ((((__mask) - 1) & (__mask)) ^ (__mask))
+#define	IMX_IOMUXREG_SHIFTIN(__x, __mask) ((__x) * IMX_IOMUXREG_LOWEST_SET_BIT(__mask))
+
+#define IMX_IOMUXREG_BIT(n) (1 << (n))
+#define	IMX_IOMUXREG_BITS(__m, __n)	\
+	((IMX_IOMUXREG_BIT(MAX((__m), (__n)) + 1) - 1) ^ (IMX_IOMUXREG_BIT(MIN((__m), (__n))) - 1))
+
+#define	IOMUXC_GPR0			0x00
+#define	IOMUXC_GPR1			0x04
+#define	IOMUXC_GPR2			0x08
+#define	IOMUXC_GPR3			0x0C
+#define	  IOMUXC_GPR3_HDMI_MASK		  (3 << 2)
+#define	  IOMUXC_GPR3_HDMI_IPU1_DI0	  (0 << 2)
+#define	  IOMUXC_GPR3_HDMI_IPU1_DI1	  (1 << 2)
+#define	  IOMUXC_GPR3_HDMI_IPU2_DI0	  (2 << 2)
+#define	  IOMUXC_GPR3_HDMI_IPU2_DI1	  (3 << 2)
+
+#define IOMUX_GPR13			0x34
+#define	  IOMUX_GPR13_SATA_PHY_8(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(26, 24))
+#define	  IOMUX_GPR13_SATA_PHY_7(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(23, 19))
+#define	  IOMUX_GPR13_SATA_PHY_6(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(18, 16))
+#define	  IOMUX_GPR13_SATA_SPEED(n)	  IMX_IOMUXREG_SHIFTIN(n, (1 << 15))
+#define	  IOMUX_GPR13_SATA_PHY_5(n)	  IMX_IOMUXREG_SHIFTIN(n, (1 << 14))
+#define	  IOMUX_GPR13_SATA_PHY_4(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(13, 11))
+#define	  IOMUX_GPR13_SATA_PHY_3(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(10, 7))
+#define	  IOMUX_GPR13_SATA_PHY_2(n)	  IMX_IOMUXREG_SHIFTIN(n, IMX_IOMUXREG_BITS(6, 2))
+#define	  IOMUX_GPR13_SATA_PHY_1(n)	  IMX_IOMUXREG_SHIFTIN(n, (1 << 1))
+#define	  IOMUX_GPR13_SATA_PHY_0(n)	  IMX_IOMUXREG_SHIFTIN(n, (1 << 0))
+
+#endif