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, 69 insertions, 0 deletions

diff --git a/cpukit/include/rtems/init.h b/cpukit/include/rtems/init.h
new file mode 100644
index 0000000000..fa3108ea50
--- /dev/null
+++ b/cpukit/include/rtems/init.h
@@ -0,0 +1,69 @@
+/**
+ * @file
+ *
+ * @brief Constants and Structures Associated
+ * with the Initialization Manager
+ *
+ * This include file contains all the constants and structures associated
+ * with the Initialization Manager.  This manager is responsible for
+ * initializing RTEMS, creating and starting all configured initialization
+ * tasks, invoking the initialization routine for each user-supplied device
+ * driver, and initializing the optional multiprocessor layer.
+ *
+ * This manager provides directives to:
+ *
+ *    + initialize the RTEMS executive
+ *    + shutdown the RTEMS executive
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  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_INIT_H
+#define _RTEMS_INIT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rtems/rtems/types.h>
+#include <rtems/config.h>
+#include <rtems/rtems/intr.h>
+
+/**
+ * @brief Initializes the system and starts multitasking.
+ *
+ * Iterates through the system initialization linker set and invokes the
+ * registered handlers.  The final step is to start multitasking.
+ *
+ * This directive should be called by boot_card() only.
+ *
+ * This directive does not return.
+ */
+void rtems_initialize_executive(void)
+  RTEMS_NO_RETURN;
+
+/**
+ * @brief Shutdown the RTEMS environment.
+ *
+ * This routine implements the rtems_shutdown_executive directive.  The
+ * invocation of this directive results in the RTEMS environment being
+ * shutdown and multitasking halted.  The system is terminated with a fatal
+ * source of RTEMS_FATAL_SOURCE_EXIT and the specified result code.
+ */
+void rtems_shutdown_executive(
+  uint32_t   result
+) RTEMS_NO_RETURN;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */