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, 88 insertions, 0 deletions

diff --git a/bsps/sparc64/include/genarch/ofw/ofw_tree.h b/bsps/sparc64/include/genarch/ofw/ofw_tree.h
new file mode 100644
index 0000000000..f62d545527
--- /dev/null
+++ b/bsps/sparc64/include/genarch/ofw/ofw_tree.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef KERN_OFW_TREE_H_
+#define KERN_OFW_TREE_H_
+
+#include <arch/types.h>
+#include <typedefs.h>
+
+#define OFW_TREE_PROPERTY_MAX_NAMELEN  32
+
+/** Memory representation of OpenFirmware device tree node property. */
+typedef struct {
+	char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
+	size_t size;
+	void *value;
+} ofw_tree_property_t;
+
+/** Memory representation of OpenFirmware device tree node. */
+typedef struct ofw_tree_node {
+	struct ofw_tree_node *parent;
+	struct ofw_tree_node *peer;
+	struct ofw_tree_node *child;
+	
+	uint32_t node_handle;           /**< Old OpenFirmware node handle. */
+	
+	char *da_name;                  /**< Disambigued name. */
+	
+	unsigned int properties;        /**< Number of properties. */
+	ofw_tree_property_t *property;
+	
+	/**
+	 * Pointer to a structure representing respective device.
+	 * Its semantics is device dependent.
+	 */
+	void *device;
+} ofw_tree_node_t;
+
+/* Walker for visiting OpenFirmware device tree nodes. */
+typedef bool (* ofw_tree_walker_t)(ofw_tree_node_t *, void *);
+
+extern void ofw_tree_init(ofw_tree_node_t *);
+extern void ofw_tree_print(void);
+
+extern const char *ofw_tree_node_name(const ofw_tree_node_t *);
+extern ofw_tree_node_t *ofw_tree_lookup(const char *);
+extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *,
+    const char *);
+extern void ofw_tree_walk_by_device_type(const char *, ofw_tree_walker_t,
+    void *);
+
+extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *, const char *);
+extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *,
+    const char *);
+
+extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *,
+    const char *);
+extern ofw_tree_node_t *ofw_tree_find_peer_by_name(ofw_tree_node_t *,
+    const char *);
+extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *,
+    uint32_t);
+
+#endif