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, 193 insertions, 0 deletions

diff --git a/cpukit/include/rtems/libcsupport.h b/cpukit/include/rtems/libcsupport.h
new file mode 100644
index 0000000000..51607f9ea1
--- /dev/null
+++ b/cpukit/include/rtems/libcsupport.h
@@ -0,0 +1,193 @@
+/**
+ * @file
+ * 
+ * @brief Standard C Library Support
+ * 
+ * This include file contains the information regarding the
+ * RTEMS specific support for the standard C library.
+ */
+
+/*
+ *  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 _RTEMS_RTEMS_LIBCSUPPORT_H
+#define _RTEMS_RTEMS_LIBCSUPPORT_H
+
+#include <sys/types.h>
+#include <stdint.h>
+
+#include <rtems/score/heap.h>
+#include <rtems/rtems/tasks.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup libcsupport Standard C Library Support
+ *
+ * @brief RTEMS Specific Support for the Standard C Library
+ *
+ */
+/**@{**/
+
+extern void malloc_dump(void);
+
+/**
+ * @brief Malloc walk.
+ */
+extern bool malloc_walk(int source, bool printf_enabled);
+
+/**
+ * @brief Set malloc heap pointer.
+ * 
+ * This routine is primarily used for debugging. 
+ */
+void malloc_set_heap_pointer(Heap_Control *new_heap);
+
+/**
+ * @brief Get malloc heap pointer.
+ * 
+ * This routine is primarily used for debugging. 
+ */
+Heap_Control *malloc_get_heap_pointer( void );
+
+/**
+ * @brief Get free malloc information.
+ * 
+ * Find amount of free heap remaining
+ */
+extern size_t malloc_free_space(void);
+
+/**
+ * @brief Get malloc status information.
+ * 
+ * Find amount of free heap remaining.
+ */
+extern int malloc_info(Heap_Information_block *the_info);
+
+/*
+ *  Prototypes required to install newlib reentrancy user extension
+ */
+bool newlib_create_hook(
+  rtems_tcb *current_task,
+  rtems_tcb *creating_task
+);
+
+void newlib_terminate_hook(
+  rtems_tcb *current_task
+);
+
+#define RTEMS_NEWLIB_EXTENSION \
+{ \
+  newlib_create_hook,     /* rtems_task_create  */ \
+  0,                      /* rtems_task_start   */ \
+  0,                      /* rtems_task_restart */ \
+  0,                      /* rtems_task_delete  */ \
+  0,                      /* task_switch  */ \
+  0,                      /* task_begin   */ \
+  0,                      /* task_exitted */ \
+  0,                      /* fatal        */ \
+  newlib_terminate_hook   /* thread terminate */ \
+}
+
+typedef struct {
+  uint32_t active_barriers;
+  uint32_t active_extensions;
+  uint32_t active_message_queues;
+  uint32_t active_partitions;
+  uint32_t active_periods;
+  uint32_t active_ports;
+  uint32_t active_regions;
+  uint32_t active_semaphores;
+  uint32_t active_tasks;
+  uint32_t active_timers;
+} rtems_resource_rtems_api;
+
+typedef struct {
+  uint32_t active_message_queues;
+  uint32_t active_semaphores;
+  uint32_t active_threads;
+  uint32_t active_timers;
+} rtems_resource_posix_api;
+
+typedef struct {
+  Heap_Information_block workspace_info;
+  Heap_Information_block heap_info;
+  uint32_t active_posix_key_value_pairs;
+  uint32_t active_posix_keys;
+  rtems_resource_rtems_api rtems_api;
+  rtems_resource_posix_api posix_api;
+  int open_files;
+} rtems_resource_snapshot;
+
+/**
+ * @brief Tasks a snapshot of the resource usage of the system.
+ *
+ * @param[out] snapshot The snapshot of used resources.
+ *
+ * @see rtems_resource_snapshot_equal() and rtems_resource_snapshot_check().
+ *
+ * @code
+ * #include <assert.h>
+ *
+ * #include <rtems/libcsupport.h>
+ *
+ * void example(void)
+ * {
+ *   rtems_resource_snapshot before;
+ *
+ *   test_setup();
+ *   rtems_resource_snapshot_take(&before);
+ *   test();
+ *   assert(rtems_resource_snapshot_check(&before));
+ *   test_cleanup();
+ * }
+ * @endcode
+ */
+void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot);
+
+/**
+ * @brief Compares two resource snapshots for equality.
+ *
+ * @param[in] a One resource snapshot.
+ * @param[in] b Another resource snapshot.
+ *
+ * @retval true The resource snapshots are equal.
+ * @retval false Otherwise.
+ *
+ * @see rtems_resource_snapshot_take().
+ */
+bool rtems_resource_snapshot_equal(
+  const rtems_resource_snapshot *a,
+  const rtems_resource_snapshot *b
+);
+
+/**
+ * @brief Takes a new resource snapshot and checks that it is equal to the
+ * given resource snapshot.
+ *
+ * @param[in] snapshot The resource snapshot used for comparison with the new
+ * resource snapshot.
+ *
+ * @retval true The resource snapshots are equal.
+ * @retval false Otherwise.
+ *
+ * @see rtems_resource_snapshot_take().
+ */
+bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */