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, 84 insertions, 0 deletions

diff --git a/bsps/sh/gensh2/include/sh/io_types.h b/bsps/sh/gensh2/include/sh/io_types.h
new file mode 100644
index 0000000000..1dab885672
--- /dev/null
+++ b/bsps/sh/gensh2/include/sh/io_types.h
@@ -0,0 +1,84 @@
+/************************************************************************
+ *
+ *  Data types and constants for Hitachi SH704X on-chip peripherals
+ *
+ *  Author: John M.Mills (jmills@tga.com)
+ *
+ *  COPYRIGHT (c) 1999, TGA Technologies, Norcross, GA, USA
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  This file may be distributed as part of the RTEMS software item.
+ *
+ *  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.
+ *
+ *      John M. Mills (jmills@tga.com)
+ *      TGA Technologies, Inc.
+ *      100 Pinnacle Way, Suite 140
+ *      Norcross, GA 30071 U.S.A.
+ *
+ *      This modified file may be copied and distributed in accordance
+ *      the above-referenced license. It is provided for critique and
+ *      developmental purposes without any warranty nor representation
+ *      by the authors or by TGA Technologies.
+ *
+ *
+ ************************************************************************/
+
+#ifndef _sh_io_types_h
+#define _sh_io_types_h
+
+#include <rtems/score/iosh7045.h>
+#include <termios.h>
+
+typedef enum {SCI0, SCI1} portNo;
+typedef enum {eight, seven} dataBits;
+typedef enum {one, two} stopBits;
+typedef enum {even, odd} parity;
+
+typedef struct {
+  portNo   line;
+  int      speed_ix;
+  dataBits dBits;
+  int      parEn;
+  parity   par;
+  int      mulPro;
+  stopBits sBits;
+} sci_setup_t;
+
+typedef union{
+	unsigned char Reg;         /* By Register */
+	struct {                   /* By  Field */
+		 unsigned char Sync  :1; /* Async/Sync */
+		 unsigned char DBts  :1; /* Char.Length */
+		 unsigned char ParEn :1; /* Parity En.*/
+		 unsigned char Odd   :1; /* Even/Odd */
+		 unsigned char SBts  :1; /* No.Stop Bits */
+		 unsigned char MulP  :1; /* Multi-Proc. */
+		 unsigned char Dvsr  :2; /* Clock Sel. */
+	} Fld;
+} sci_smr_t;
+
+typedef union {
+	unsigned char Reg;          /*  By Register */
+	struct {                    /*  By Field */
+		 unsigned char TIE :1;    /*  Tx.Int.En. */
+		 unsigned char RIE :1;    /*  Rx.Int.En. */
+		 unsigned char TE  :1;    /*  Tx.En. */
+		 unsigned char RE  :1;    /*  Rx.En. */
+		 unsigned char MPIE:1;    /*  Mult.Pro.Int.En. */
+		 unsigned char TEIE:1;    /*  Tx.End Int.En. */
+		 unsigned char CkSrc :2;   /*  Clock Src. */
+	} Fld;
+} sci_scr_t;
+
+typedef struct {
+  unsigned char n ;
+  unsigned char N ;
+} sci_bitrate_t;
+
+#endif /* _sh_io_types_h */