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, 117 insertions, 0 deletions

diff --git a/bsps/include/bsp/console-termios.h b/bsps/include/bsp/console-termios.h
new file mode 100644
index 0000000000..413dde4663
--- /dev/null
+++ b/bsps/include/bsp/console-termios.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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 BSP_CONSOLE_TERMIOS_H
+#define BSP_CONSOLE_TERMIOS_H
+
+#include <rtems/termiostypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup ConsoleTermios Termios Console Driver
+ *
+ * @ingroup TermiostypesSupport
+ *
+ * @brief Console driver for Termios devices.
+ *
+ * In order to use this driver add the following lines to the Makefile.am of
+ * the BSP:
+ *
+ * @code
+ * libbsp_a_SOURCES += ../../shared/console-termios-init.c
+ * libbsp_a_SOURCES += ../../shared/console-termios.c
+ * libbsp_a_SOURCES += console/console-config.c
+ * @endcode
+ *
+ * Define the console_device_table and console_device_count in the
+ * console-config.c file of the BSP.
+ *
+ * @{
+ */
+
+/**
+ * @brief Console device probe function type.
+ *
+ * @param[in] context The Termios device context.
+ *
+ * @retval true Install this device.
+ * @retval false Otherwise.
+ */
+typedef bool (*console_device_probe)(rtems_termios_device_context *context);
+
+/**
+ * @brief Console device information.
+ */
+typedef struct {
+  /**
+   * @brief The device file path.
+   *
+   * The "/dev/console" device will be automatically installed as the first
+   * device of console_device_table with a successful probe.
+   */
+  const char *device_file;
+
+  /**
+   * @brief The device probe function.
+   */
+  console_device_probe probe;
+
+  /**
+   * @brief The Termios device handler.
+   */
+  const rtems_termios_device_handler *handler;
+
+  /**
+   * @brief The Termios device flow control handler.
+   */
+  const rtems_termios_device_flow *flow;
+
+  /**
+   * @brief The Termios device context.
+   */
+  rtems_termios_device_context *context;
+} console_device;
+
+/**
+ * @brief Returns true and does nothing else.
+ */
+bool console_device_probe_default(rtems_termios_device_context *context);
+
+/**
+ * @brief Table for console devices installed via console_initialize() during
+ * system initialization.
+ *
+ * It must be provided by the BSP.
+ *
+ * @see console_device_count.
+ */
+extern const console_device console_device_table[];
+
+/**
+ * @brief Count of entries in the console_device_table.
+ *
+ * It must be provided by the BSP.
+ */
+extern const size_t console_device_count;
+
+/** @{ */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* BSP_CONSOLE_TERMIOS_H */