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, 76 deletions

diff --git a/cpukit/libcsupport/include/sys/utsname.h b/cpukit/libcsupport/include/sys/utsname.h
deleted file mode 100644
index ddeb0e90c2..0000000000
--- a/cpukit/libcsupport/include/sys/utsname.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * @file
- *
- * @brief Interface to the POSIX utsname() Service
- *
- * This include file defines the interface to the POSIX utsname() service.
- */
-
-/*
- *  COPYRIGHT (c) 1989-2011.
- *  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 __POSIX_SYS_UTSNAME_h
-#define __POSIX_SYS_UTSNAME_h
-
-/**
- * @defgroup UTSNAME utsname Service
- * 
- * @ingroup POSIXAPI
- */
-/**@{*/
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- *  4.4.1 Get System Name (Table 4-1), P1003.1b-1993, p. 90
- *
- *  NOTE:  The lengths of the strings in this structure are
- *         just long enough to reliably contain the RTEMS information.
- *         For example, the fields are not long enough to support
- *         Internet hostnames.
- */
-
-#ifdef _KERNEL
-#define SYS_NMLN        48              /* uname(2) for the FreeBSD 1.1 ABI. */
-#endif
-
-#ifndef SYS_NMLN
-#define SYS_NMLN        48		/* User can override. */
-#endif
-
-struct utsname {
-  char sysname[SYS_NMLN];  /* Name of this implementation of the */
-                           /*   operating system */
-  char nodename[SYS_NMLN]; /* Name of this node within an implementation */
-                           /*   specified communication network */
-  char release[SYS_NMLN];  /* Current release level of this implementation */
-  char version[SYS_NMLN];  /* Current version level of this release */
-  char machine[SYS_NMLN];  /* Name of the hardware type on which the system */
-                           /*   is running */
-};
-
-/**
- * @brief Get system name.
- * 
- * 4.4.1 Get System Name, P1003.1b-1993, p. 90
- */
-int uname(
-  struct utsname *name
-);
-
-/** @} */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-/* end of include file */