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, 218 insertions, 0 deletions

diff --git a/cpukit/include/mqueue.h b/cpukit/include/mqueue.h
new file mode 100644
index 0000000000..36733a4730
--- /dev/null
+++ b/cpukit/include/mqueue.h
@@ -0,0 +1,218 @@
+/**
+ * @file
+ *
+ * @brief POSIX Message Queues
+ * 
+ * This file contains the definitions related to POSIX Message Queues.
+ * 
+ * The structure of the routines is identical to that of POSIX
+ * Message_queues to leave the option of having unnamed message
+ * queues at a future date.  They are currently not part of the
+ * POSIX standard but unnamed message_queues are.  This is also
+ * the reason for the apparently unnecessary tracking of
+ * the process_shared attribute.  [In addition to the fact that
+ * it would be trivial to add pshared to the mq_attr structure
+ * and have process private message queues.]
+ *
+ * This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open
+ * time.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2011.
+ *  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 _MQUEUE_H
+#define _MQUEUE_H
+
+
+#include <unistd.h>
+
+#if defined(_POSIX_MESSAGE_PASSING)
+
+#include <sys/types.h>
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+
+/**
+ * @defgroup POSIX_MQUEUE POSIX Message Queues
+ *
+ * @ingroup POSIXAPI
+ * 
+ */
+/**@{**/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  15.1.1 Data Structures, P1003.1b-1993, p. 271
+ */
+
+/**
+ * Message queue id type.
+ *
+ * NOTE: Use uint32_t since all POSIX Ids are 32-bit currently.
+ */
+typedef uint32_t  mqd_t;
+
+/**
+ * This is the message queue attributes structure.
+ */
+struct mq_attr {
+  /** This is the message queue flags */
+  long  mq_flags;
+  /** This is the maximum number of messages */
+  long  mq_maxmsg;
+  /** This is the maximum message size */
+  long  mq_msgsize;
+  /** This is the mumber of messages currently queued */
+  long  mq_curmsgs;
+};
+
+/**
+ * 15.2.2 Open a Message Queue, P1003.1b-1993, p. 272
+ */
+mqd_t mq_open(
+  const char *name,
+  int         oflag,
+  ...
+);
+
+/**
+ * 15.2.2 Close a Message Queue, P1003.1b-1993, p. 275
+ */
+int mq_close(
+  mqd_t  mqdes
+);
+
+/**
+ * @brief Remove a message queue.
+ *
+ * 15.2.2 Remove a Message Queue, P1003.1b-1993, p. 276
+ *
+ * NOTE:  The structure of the routines is identical to that of POSIX
+ *        Message_queues to leave the option of having unnamed message
+ *        queues at a future date.  They are currently not part of the
+ *        POSIX standard but unnamed message_queues are.  This is also
+ *        the reason for the apparently unnecessary tracking of
+ *        the process_shared attribute.  [In addition to the fact that
+ *        it would be trivial to add pshared to the mq_attr structure
+ *        and have process private message queues.]
+ *
+ *        This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open
+ *        time.
+ */
+int mq_unlink(
+  const char *name
+);
+
+/**
+ * 15.2.4 Send a Message to a Message Queue, P1003.1b-1993, p. 277
+ *
+ * NOTE; P1003.4b/D8, p. 45 adds mq_timedsend().
+ */
+int mq_send(
+  mqd_t         mqdes,
+  const char   *msg_ptr,
+  size_t        msg_len,
+  unsigned int  msg_prio
+);
+
+#if defined(_POSIX_TIMEOUTS)
+
+#include <time.h>
+
+/**
+ * @brief Send a message to a message queue.
+ * 
+ * @see mq_send()
+ */
+int mq_timedsend(
+  mqd_t                  mqdes,
+  const char            *msg_ptr,
+  size_t                 msg_len,
+  unsigned int           msg_prio,
+  const struct timespec *abstime
+);
+
+#endif /* _POSIX_TIMEOUTS */
+
+/**
+ * @brief Receive a message from a message queue. 
+ * 
+ * 15.2.5 Receive a Message From a Message Queue, P1003.1b-1993, p. 279
+ *
+ * NOTE: P1003.4b/D8, p. 45 adds mq_timedreceive().
+ */
+ssize_t mq_receive(
+  mqd_t         mqdes,
+  char         *msg_ptr,
+  size_t        msg_len,
+  unsigned int *msg_prio
+);
+
+#if defined(_POSIX_TIMEOUTS)
+
+ssize_t mq_timedreceive(
+  mqd_t                  mqdes,
+  char                  *__restrict msg_ptr,
+  size_t                 msg_len,
+  unsigned int          *__restrict msg_prio,
+  const struct timespec *__restrict abstime
+);
+
+#endif /* _POSIX_TIMEOUTS */
+
+#if defined(_POSIX_REALTIME_SIGNALS)
+
+/**
+ * @brief Notify process that a message is available on a queue.
+ *
+ * 15.2.6 Notify Process that a Message is Available on a Queue,
+ *        P1003.1b-1993, p. 280
+ */
+int mq_notify(
+  mqd_t                  mqdes,
+  const struct sigevent *notification
+);
+
+#endif /* _POSIX_REALTIME_SIGNALS */
+
+/**
+ * @brief Set message queue attributes.
+ *
+ * 15.2.7 Set Message Queue Attributes, P1003.1b-1993, p. 281
+ */
+int mq_setattr(
+  mqd_t                 mqdes,
+  const struct mq_attr *__restrict mqstat,
+  struct mq_attr       *__restrict omqstat
+);
+
+/*
+ *  15.2.8 Get Message Queue Attributes, P1003.1b-1993, p. 283
+ */
+
+int mq_getattr(
+  mqd_t           mqdes,
+  struct mq_attr *mqstat
+);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _POSIX_MESSAGE_PASSING */
+
+#endif
+/* end of include file */