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, 0 insertions, 50 deletions

diff --git a/c/src/lib/libcpu/sparc/include/libcpu/access.h b/c/src/lib/libcpu/sparc/include/libcpu/access.h
deleted file mode 100644
index cdf6b77122..0000000000
--- a/c/src/lib/libcpu/sparc/include/libcpu/access.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- *  access.h  - access routines for SPARC. SPARC is big endian only.
- *
- *  COPYRIGHT (c) 2011
- *  Aeroflex Gaisler.
- *
- *  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 _LIBCPU_ACCESS_H
-#define _LIBCPU_ACCESS_H
-
-#include <rtems/system.h>
-#include <rtems/score/cpu.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* "Raw" access */
-extern uint8_t _ld8(uint8_t *addr);
-extern void _st8(uint8_t *addr, uint8_t val);
-extern uint16_t _ld16(uint16_t *addr);
-extern void _st16(uint16_t *addr, uint16_t val);
-extern uint32_t _ld32(uint32_t *addr);
-extern void _st32(uint32_t *addr, uint32_t val);
-extern uint64_t _ld64(uint64_t *addr);
-extern void _st64(uint64_t *addr, uint64_t val);
-
-/* Aliases for Big Endian */
-extern uint16_t _ld_be16(uint16_t *addr);
-extern void _st_be16(uint16_t *addr, uint16_t val);
-extern uint32_t _ld_be32(uint32_t *addr);
-extern void _st_be32(uint32_t *addr, uint32_t val);
-extern uint64_t _ld_be64(uint64_t *addr);
-extern void _st_be64(uint64_t *addr, uint64_t val);
-
-/* Little endian */
-extern uint16_t _ld_le16(uint16_t *addr);
-extern void _st_le16(uint16_t *addr, uint16_t val);
-extern uint32_t _ld_le32(uint32_t *addr);
-extern void _st_le32(uint32_t *addr, uint32_t val);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif