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, 90 insertions, 0 deletions

diff --git a/cpukit/include/rtems/rtems-rfs-format.h b/cpukit/include/rtems/rtems-rfs-format.h
new file mode 100644
index 0000000000..f65cce1789
--- /dev/null
+++ b/cpukit/include/rtems/rtems-rfs-format.h
@@ -0,0 +1,90 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_rfs
+ *
+ * @brief RTEMS File System Format
+ *
+ * This function lets you format a disk in the RFS format.
+ */
+
+/*
+ *  COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
+ *
+ *  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.
+ */
+
+#if !defined (_RTEMS_RFS_FORMAT_H_)
+#define _RTEMS_RFS_FORMAT_H_
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/rfs/rtems-rfs-trace.h>
+
+/**
+ * RFS File System Configuration data used to format the file system. For
+ * default values leave the field set to 0.
+ */
+typedef struct _rtems_rfs_format_config
+{
+  /**
+   * The size of a block.
+   */
+  size_t block_size;
+
+  /**
+   * The number of blocks in a group.
+   */
+  size_t group_blocks;
+
+  /**
+   * The number of inodes in a group.
+   */
+  size_t group_inodes;
+
+  /**
+   * The percentage overhead allocated to inodes.
+   */
+  int inode_overhead;
+
+  /**
+   * The maximum length of a name.
+   */
+  size_t max_name_length;
+
+  /**
+   * Initialise the inode tables to all ones.
+   */
+  bool initialise_inodes;
+
+  /**
+   * Is the format verbose.
+   */
+  bool verbose;
+
+} rtems_rfs_format_config;
+
+/**
+ * RFS Format command.
+ *
+ * @param[in] name is the device name to format.
+ * @param[in] config is a pointer to the configuration table.
+ *
+ * @retval -1 Error. See errno.
+ * @retval 0 No error. Format successful.
+ */
+int rtems_rfs_format (const char* name, const rtems_rfs_format_config* config);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif