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, 68 insertions, 0 deletions

diff --git a/bsps/include/rtems/umon.h b/bsps/include/rtems/umon.h
new file mode 100644
index 0000000000..d25a7818dd
--- /dev/null
+++ b/bsps/include/rtems/umon.h
@@ -0,0 +1,68 @@
+/*
+ * umon.h - RTEMS specific interface to MicroMonitor.
+ *
+ *  COPYRIGHT (c) 1989-2009.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  Modified by Fernando Nicodemos <fgnicodemos@terra.com.br>
+ *  from NCB - Sistemas Embarcados Ltda. (Brazil)
+ *
+ *  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_umon_h
+#define __rtems_umon_h
+
+#include <umon/monlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Connect RTEMS Application to MicroMonitor
+ *
+ * RTEMS uMonitor wrapper for monConnect().  This will deal with the
+ * getting MONCOMPTR as well as providing the locking routines.
+ */
+void rtems_umon_connect(void);
+
+/**
+ * @brief Obtain BSP specific pointer to MicroMonitor
+ *
+ * BSP specific routine to help when calling monConnect().  This
+ * returns the value known to uMon as MONCOMPTR.
+ *
+ * @return This method returns the address of the base area of MicroMonitor.
+ */
+void *rtems_bsp_get_umon_monptr(void);
+
+/**
+ * @brief Initialize the TFS-RTEMS file system
+ *
+ * This method initializes and mounts the TFS-RTEMS file system.
+ *
+ * @param[in] path is the mount point
+ *
+ * @return This method returns 0 on success.
+ */
+int rtems_initialize_tfs_filesystem(
+  const char *path
+);
+
+/**
+ * @brief Read from MicroMonitor Port
+ *
+ * This method reads a character from the MicroMonitor console.
+ *
+ * @return This method returns a character.
+ */
+int umoncons_poll_read(int minor);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __rtems_umon_h */