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, 138 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/wkspace.h b/cpukit/include/rtems/score/wkspace.h
new file mode 100644
index 0000000000..3676ff28c4
--- /dev/null
+++ b/cpukit/include/rtems/score/wkspace.h
@@ -0,0 +1,138 @@
+/**
+ *  @file rtems/score/wkspace.h
+ *
+ *  @brief Information Related to the RAM Workspace
+ *
+ *  This include file contains information related to the
+ *  RAM Workspace.  This Handler provides mechanisms which can be used to
+ *  define, initialize and manipulate the workspace.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2009.
+ *  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 _RTEMS_SCORE_WKSPACE_H
+#define _RTEMS_SCORE_WKSPACE_H
+
+#include <rtems/score/heap.h>
+#include <rtems/score/interr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  @defgroup ScoreWorkspace Workspace Handler
+ *
+ *  @ingroup Score
+ *
+ *  This handler encapsulates functionality related to the management of
+ *  the RTEMS Executive Workspace.
+ */
+/**@{*/
+
+/**
+ *  @brief Executive workspace control.
+ *
+ *  This is the heap control structure used to manage the RTEMS Executive
+ *  Workspace.
+ */
+extern Heap_Control _Workspace_Area;
+
+/**
+ * @brief Initilize workspace handler.
+ *
+ *  This routine performs the initialization necessary for this handler.
+ */
+void _Workspace_Handler_initialization(
+  Heap_Area *areas,
+  size_t area_count,
+  Heap_Initialization_or_extend_handler extend
+);
+
+/**
+ * @brief Allocate memory from workspace.
+ *
+ *  This routine returns the address of a block of memory of size
+ *  bytes.  If a block of the appropriate size cannot be allocated
+ *  from the workspace, then NULL is returned.
+ *
+ *  @param size is the requested size
+ *
+ *  @retval a pointer to the requested memory or NULL.
+ */
+void *_Workspace_Allocate(
+  size_t   size
+);
+
+/**
+ * @brief Allocate aligned memory from workspace.
+ *
+ * @param[in] size The size of the requested memory.
+ * @param[in] alignment The alignment of the requested memory.
+ *
+ * @retval NULL Not enough resources.
+ * @retval other The memory area begin.
+ */
+void *_Workspace_Allocate_aligned( size_t size, size_t alignment );
+
+/**
+ * @brief Free memory to the workspace.
+ *
+ *  This function frees the specified block of memory.  If the block
+ *  belongs to the Workspace and can be successfully freed, then
+ *  true is returned.  Otherwise false is returned.
+ *
+ *  @param block is the memory to free
+ *
+ *  @note If @a block is equal to NULL, then the request is ignored.
+ *        This allows the caller to not worry about whether or not
+ *        a pointer is NULL.
+ */
+
+void _Workspace_Free(
+  void *block
+);
+
+/**
+ * @brief Workspace allocate or fail with fatal error.
+ *
+ *  This routine returns the address of a block of memory of @a size
+ *  bytes.  If a block of the appropriate size cannot be allocated
+ *  from the workspace, then the internal error handler is invoked.
+ *
+ *  @param[in] size is the desired number of bytes to allocate
+ *  @retval If successful, the starting address of the allocated memory
+ */
+void *_Workspace_Allocate_or_fatal_error(
+  size_t  size
+);
+
+/**
+ * @brief Duplicates string with memory from the workspace.
+ *
+ * @param[in] string is the pointer to a zero terminated string.
+ * @param[in] len is the length of the string (equal to strlen(string)).
+ *
+ * @retval NULL Not enough memory.
+ * @retval other Duplicated string.
+ */
+char *_Workspace_String_duplicate(
+  const char *string,
+  size_t len
+);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */