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, 65 insertions, 0 deletions

diff --git a/bsps/bfin/include/libcpu/rtcRegs.h b/bsps/bfin/include/libcpu/rtcRegs.h
new file mode 100644
index 0000000000..09245c2b91
--- /dev/null
+++ b/bsps/bfin/include/libcpu/rtcRegs.h
@@ -0,0 +1,65 @@
+/*  Blackfin RTC Registers
+ *
+ *  Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA
+ *             written by Allan Hessenflow <allanh@kallisti.com>
+ *
+ *  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 _rtcRegs_h_
+#define _rtcRegs_h_
+
+/* register addresses */
+
+#define RTC_STAT                 (RTC_BASE_ADDRESS + 0x0000)
+#define RTC_ICTL                 (RTC_BASE_ADDRESS + 0x0004)
+#define RTC_ISTAT                (RTC_BASE_ADDRESS + 0x0008)
+#define RTC_SWCNT                (RTC_BASE_ADDRESS + 0x000c)
+#define RTC_ALARM                (RTC_BASE_ADDRESS + 0x0010)
+#define RTC_PREN                 (RTC_BASE_ADDRESS + 0x0014)
+
+
+/* register fields */
+
+#define RTC_STAT_DAYS_MASK                        0xfffe0000
+#define RTC_STAT_DAYS_SHIFT                               17
+#define RTC_STAT_HOURS_MASK                       0x0001f000
+#define RTC_STAT_HOURS_SHIFT                              12
+#define RTC_STAT_MINUTES_MASK                     0x00000fc0
+#define RTC_STAT_MINUTES_SHIFT                             6
+#define RTC_STAT_SECONDS_MASK                     0x0000003f
+#define RTC_STAT_SECONDS_SHIFT                             0
+
+#define RTC_ICTL_WCIE                                 0x8000
+#define RTC_ICTL_DAIE                                 0x0040
+#define RTC_ICTL_24HIE                                0x0020
+#define RTC_ICTL_HIE                                  0x0010
+#define RTC_ICTL_MIE                                  0x0008
+#define RTC_ICTL_SIE                                  0x0004
+#define RTC_ICTL_AIE                                  0x0002
+#define RTC_ICTL_SWIE                                 0x0001
+
+#define RTC_ISTAT_WC                                  0x8000
+#define RTC_ISTAT_WP                                  0x4000
+#define RTC_ISTAT_DAEF                                0x0040
+#define RTC_ISTAT_24HE                                0x0020
+#define RTC_ISTAT_HEF                                 0x0010
+#define RTC_ISTAT_MEF                                 0x0008
+#define RTC_ISTAT_SEF                                 0x0004
+#define RTC_ISTAT_AEF                                 0x0002
+#define RTC_ISTAT_SWEF                                0x0001
+
+#define RTC_ALARM_DAYS_MASK                       0xfff70000
+#define RTC_ALARM_DAYS_SHIFT                              17
+#define RTC_ALARM_HOURS_MASK                      0x0001f000
+#define RTC_ALARM_HOURS_SHIFT                             12
+#define RTC_ALARM_MINUTES_MASK                    0x00000fc0
+#define RTC_ALARM_MINUTES_SHIFT                           10
+#define RTC_ALARM_SECONDS_MASK                    0x0000003f
+#define RTC_ALARM_SECONDS_SHIFT                            0
+
+#define RTC_PREN_PREN                                 0x0001
+
+#endif /* _rtcRegs_h_ */