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, 122 insertions, 0 deletions

diff --git a/bsps/include/libchip/mc68681.h b/bsps/include/libchip/mc68681.h
new file mode 100644
index 0000000000..e498a41b30
--- /dev/null
+++ b/bsps/include/libchip/mc68681.h
@@ -0,0 +1,122 @@
+/*
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  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 _MC68681_H_
+#define _MC68681_H_
+
+#include <rtems/termiostypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  These are just used in the interface between this driver and
+ *  the read/write register routines when accessing the first
+ *  control port.
+ */
+
+#define MC68681_STATUS          1
+#define MC68681_RX_BUFFER       3
+
+#define MC68681_MODE            0
+#define MC68681_CLOCK_SELECT    1
+#define MC68681_COMMAND         2
+#define MC68681_TX_BUFFER       3
+
+/*
+ *  Data Port bit map configuration
+ *
+ *   D0      : Baud Rate Set Selection
+ *   D1 - D2 : Extended Baud Rate Setting
+ */
+
+#define MC68681_DATA_BAUD_RATE_SET_1      0  /* ACR[7] = 0 */
+#define MC68681_DATA_BAUD_RATE_SET_2      1  /* ACR[7] = 1 */
+
+#define MC68681_XBRG_IGNORED              (0 << 1)
+#define MC68681_XBRG_ENABLED              (1 << 1)
+#define MC68681_XBRG_DISABLED             (2 << 1)
+#define MC68681_XBRG_MASK                 (3 << 1)
+
+/*
+ *  Custom baud rate table information
+ */
+
+typedef unsigned char mc68681_baud_t;
+typedef mc68681_baud_t mc68681_baud_table_t[RTEMS_TERMIOS_NUMBER_BAUD_RATES];
+
+#define MC68681_BAUD_NOT_VALID 0xFF
+
+extern mc68681_baud_t
+    mc68681_baud_rate_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES];
+
+
+/*
+ * Driver function table
+ */
+
+extern const console_fns mc68681_fns;
+extern const console_fns mc68681_fns_polled;
+
+/*
+ * Default register access routines
+ */
+
+uint8_t   mc68681_get_register(     /* registers are at 1 byte boundaries */
+  uintptr_t   ulCtrlPort,           /*   and accessed as bytes            */
+  uint8_t     ucRegNum
+);
+
+void  mc68681_set_register(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum,
+  uint8_t     ucData
+);
+
+uint8_t   mc68681_get_register_2(   /* registers are at 2 byte boundaries */
+  uintptr_t   ulCtrlPort,           /*   and accessed as bytes            */
+  uint8_t     ucRegNum
+);
+
+void  mc68681_set_register_2(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum,
+  uint8_t     ucData
+);
+
+uint8_t   mc68681_get_register_4(   /* registers are at 4 byte boundaries */
+  uintptr_t   ulCtrlPort,           /*   and accessed as bytes            */
+  uint8_t     ucRegNum
+);
+
+void  mc68681_set_register_4(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum,
+  uint8_t     ucData
+);
+
+uint8_t   mc68681_get_register_8(   /* registers are at 8 byte boundaries */
+  uintptr_t   ulCtrlPort,           /*   and accessed as bytes            */
+  uint8_t     ucRegNum
+);
+
+void  mc68681_set_register_8(
+  uintptr_t   ulCtrlPort,
+  uint8_t     ucRegNum,
+  uint8_t     ucData
+);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MC68681_H_ */