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, 211 insertions, 0 deletions

diff --git a/cpukit/include/rtems/fsmount.h b/cpukit/include/rtems/fsmount.h
new file mode 100644
index 0000000000..441b0d68ef
--- /dev/null
+++ b/cpukit/include/rtems/fsmount.h
@@ -0,0 +1,211 @@
+/**
+ * @file rtems/fsmount.h
+ *
+ * @defgroup rtems_fstab File System Mount Support
+ *
+ * @ingroup FileSystemTypesAndMount
+ * @brief File System Mount Functions
+ *
+ * This file contains the fsmount functions. These functions       
+ * are used to mount a list of filesystems (and create their mount 
+ * points before).
+ */
+
+/*
+ * Copyright (c) 2003 IMD
+ *    
+ * Ingenieurbuero fuer Microcomputertechnik Th. Doerfler      
+ * <Thomas.Doerfler@imd-systems.de>                  
+ * all rights reserved
+ *                    
+ * 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 _FSMOUNT_H
+#define _FSMOUNT_H
+
+#include <rtems.h>
+#include <rtems/libio.h>
+#include <rtems/libcsupport.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup rtems_fstab File System Mount Support
+ *
+ * @ingroup FileSystemTypesAndMount
+ */
+/**@{**/
+
+/**
+ * File system mount report and abort condition flags.
+ *
+ * The flags define, which conditions will cause a report during the mount
+ * process (via printf()) or abort the mount process.
+ *
+ * @see rtems_fstab_entry and rtems_fsmount().
+ */
+typedef enum {
+  /**
+   * No conditions.
+   */
+  RTEMS_FSTAB_NONE = 0U,
+
+  /**
+   * Complete mount process was successful.
+   */
+  RTEMS_FSTAB_OK = 0x1U,
+
+  /**
+   * Mount point creation failed.
+   */
+  RTEMS_FSTAB_ERROR_MOUNT_POINT = 0x2U,
+
+  /**
+   * File system mount failed.
+   */
+  RTEMS_FSTAB_ERROR_MOUNT = 0x4U,
+
+  /**
+   * Something failed.
+   */
+  RTEMS_FSTAB_ERROR = RTEMS_FSTAB_ERROR_MOUNT_POINT | RTEMS_FSTAB_ERROR_MOUNT,
+
+  /**
+   * Any condition.
+   */
+  RTEMS_FSTAB_ANY = RTEMS_FSTAB_OK | RTEMS_FSTAB_ERROR
+} rtems_fstab_conditions;
+
+/**
+ * File system table entry.
+ */
+typedef struct {
+  /**
+   * Source for the mount.
+   */
+  const char *source;
+
+  /**
+   * Target for the mount.
+   */
+  const char *target;
+
+  /**
+   * File system operations.
+   */
+  const char *type;
+
+  /**
+   * File system mount options.
+   */
+  rtems_filesystem_options_t options;
+
+  /**
+   * Report @ref rtems_fstab_conditions "condition flags".
+   */
+  uint16_t report_reasons;
+
+  /**
+   * Abort @ref rtems_fstab_conditions "condition flags".
+   */
+  uint16_t abort_reasons;
+} rtems_fstab_entry;
+
+/**
+ * @brief Mounts the file systems listed in the file system mount table.
+ *
+ * Mounts the file systems listed in the file system mount table @a fstab of
+ * size @a size.
+ *
+ * Each file system will be mounted according to its table entry parameters.
+ * In case of an abort condition the corresponding table index will be reported
+ * in @a abort_index.  The pointer @a abort_index may be @c NULL.  The mount
+ * point paths will be created with rtems_mkdir() and need not exist
+ * beforehand.
+ *
+ * On success, zero is returned.  On error, -1 is returned, and @c errno is set
+ * appropriately.
+ *
+ * @see rtems_bdpart_register_from_disk().
+ *
+ * The following example code tries to mount a FAT file system within a SD
+ * Card.  Some cards do not have a partition table so at first it tries to find
+ * a file system inside the hole disk.  If this is successful the mount process
+ * will be aborted because the @ref RTEMS_FSTAB_OK condition is true.  If this
+ * did not work it tries to mount the file system inside the first partition.
+ * If this fails the mount process will not be aborted (this is already the
+ * last entry), but the last error status will be returned.
+ *
+ * @code
+ * #include <stdio.h>
+ * #include <string.h>
+ * #include <errno.h>
+ *
+ * #include <rtems.h>
+ * #include <rtems/bdpart.h>
+ * #include <rtems/error.h>
+ * #include <rtems/fsmount.h>
+ *
+ * static const rtems_fstab_entry fstab [] = {
+ *   {
+ *     .source = "/dev/sd-card-a",
+ *     .target = "/mnt",
+ *     .type = "dosfs",
+ *     .options = RTEMS_FILESYSTEM_READ_WRITE,
+ *     .report_reasons = RTEMS_FSTAB_ANY,
+ *     .abort_reasons = RTEMS_FSTAB_OK
+ *   }, {
+ *     .source = "/dev/sd-card-a1",
+ *     .target = "/mnt",
+ *     .type = "dosfs",
+ *     .options = RTEMS_FILESYSTEM_READ_WRITE,
+ *     .report_reasons = RTEMS_FSTAB_ANY,
+ *     .abort_reasons = RTEMS_FSTAB_NONE
+ *   }
+ * };
+ *
+ * static void my_mount(void)
+ * {
+ *   rtems_status_code sc = RTEMS_SUCCESSFUL;
+ *   int rv = 0;
+ *   size_t abort_index = 0;
+ *
+ *   sc = rtems_bdpart_register_from_disk("/dev/sd-card-a");
+ *   if (sc != RTEMS_SUCCESSFUL) {
+ *     printf("read partition table failed: %s\n", rtems_status_text(sc));
+ *   }
+ *
+ *   rv = rtems_fsmount(fstab, sizeof(fstab) / sizeof(fstab [0]), &abort_index);
+ *   if (rv != 0) {
+ *     printf("mount failed: %s\n", strerror(errno));
+ *   }
+ *   printf("mount aborted at %zu\n", abort_index);
+ * }
+ * @endcode
+ */
+int rtems_fsmount(
+  const rtems_fstab_entry *fstab,
+  size_t                   size,
+  size_t                  *abort_index
+);
+
+/** @} */
+
+typedef rtems_fstab_entry fstab_t;
+
+#define FSMOUNT_MNT_OK RTEMS_FSTAB_OK
+
+#define FSMOUNT_MNTPNT_CRTERR RTEMS_FSTAB_ERROR_MOUNT_POINT
+
+#define FSMOUNT_MNT_FAILED RTEMS_FSTAB_ERROR_MOUNT
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FSMOUNT_H */