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, 193 insertions, 0 deletions

diff --git a/cpukit/include/aio.h b/cpukit/include/aio.h
new file mode 100644
index 0000000000..95ed0fdb6c
--- /dev/null
+++ b/cpukit/include/aio.h
@@ -0,0 +1,193 @@
+/**
+ * @file
+ *
+ * @brief POSIX Asynchronous Input and Output
+ * 
+ * This file contains the definitions related to POSIX Asynchronous
+ * Input and Output,
+ */
+
+/*
+ *  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 _AIO_H
+#define _AIO_H
+
+#include <sys/cdefs.h>
+#include <unistd.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup POSIX_AIO POSIX Asynchronous I/O Support
+ *
+ * @ingroup POSIXAPI
+ *
+ * @brief POSIX Asynchronous Input and Output
+ * 
+ */
+/**@{**/
+
+#if defined(_POSIX_ASYNCHRONOUS_IO)
+
+/*
+ *  6.7.1 Data Definitions for Asynchronous Input and Output,
+ *        P1003.1b-1993, p. 151
+ */
+
+#include <sys/types.h>
+#include <signal.h>
+#include <time.h>
+#include <fcntl.h>
+
+/*
+ *  6.7.1.2 Manifest Constants, P1003.1b-1993, p. 153
+ */
+
+#define AIO_CANCELED    0 /* all requested operations have been canceled */
+#define AIO_NOTCANCELED 1 /* some of the operations could not be canceled */
+                          /*   since they are in progress */
+#define AIO_ALLDONE     2 /* none of the requested operations could be */
+                          /*   canceled since they are already complete */
+
+/* lio_listio() options */
+
+/*
+ * LIO modes
+ */
+#define LIO_WAIT        0 /* calling process is to suspend until the */
+                          /*   operation is complete */
+#define LIO_NOWAIT      1 /* calling process is to continue execution while */
+                          /*   the operation is performed and no notification */
+                          /*   shall be given when the operation is completed */
+
+/*
+ * LIO opcodes
+ */
+#define LIO_NOP         0 /* no transfer is requested */
+#define LIO_READ        1 /* request a read() */
+#define LIO_WRITE       2 /* request a write() */
+#define LIO_SYNC        3 /* needed by aio_fsync() */
+
+/*
+ *  6.7.1.1 Asynchronous I/O Control Block, P1003.1b-1993, p. 151
+ */
+
+struct aiocb {
+  /* public */
+  int             aio_fildes;     /* File descriptor */
+  off_t           aio_offset;     /* File offset */
+  volatile void  *aio_buf;        /* Location of buffer */
+  size_t          aio_nbytes;     /* Length of transfer */
+  int             aio_reqprio;    /* Request priority offset */
+  struct sigevent aio_sigevent;   /* Signal number and value */
+  int             aio_lio_opcode; /* Operation to be performed */
+  /* private */
+  int		  error_code;      /* Used for aio_error() */
+  ssize_t	  return_value;     /* Used for aio_return() */
+};
+
+/*
+ *  6.7.2 Asynchronous Read, P1003.1b-1993, p. 154
+ */
+
+int aio_read(
+  struct aiocb  *aiocbp
+);
+
+/*
+ *  6.7.3 Asynchronous Write, P1003.1b-1993, p. 155
+ */
+
+int aio_write(
+  struct aiocb  *aiocbp
+);
+
+/*
+ *  6.7.4 List Directed I/O, P1003.1b-1993, p. 158
+ */
+
+int lio_listio(
+  int              mode,
+  struct aiocb    *__restrict const  list[__restrict],
+  int              nent,
+  struct sigevent *__restrict sig
+);
+
+/*
+ *  6.7.5 Retrieve Error of Asynchronous I/O Operation, P1003.1b-1993, p. 161
+ */
+
+int aio_error(
+  const struct aiocb  *aiocbp
+);
+
+/*
+ *  6.7.6 Retrieve Return Status of Asynchronous I/O Operation,
+ *        P1003.1b-1993, p. 162
+ */
+
+ssize_t aio_return(
+  const struct aiocb  *aiocbp
+);
+
+/**
+ * @brief Cancel asynchronous I/O operation.
+ * 
+ * 6.7.7 Cancel Asynchronous I/O Operation, P1003.1b-1993, p. 163
+ * 
+ * @param[in] filedes is the file descriptor
+ * @param[in] aiocbp is a pointer to the asynchronous I/O control block
+ * 
+ * @retval AIO_CANCELED The requested operation(s) were canceled. 
+ * @retval AIO_NOTCANCELED Some of the requested operation(s) cannot be
+ * canceled since they are in progress.
+ * @retval AIO_ALLDONE None of the requested operation(s) could be canceled
+ * since they are already complete
+ */
+int aio_cancel(
+  int            filedes,
+  struct aiocb  *aiocbp
+);
+
+/*
+ *  6.7.7 Wait for Asynchronous I/O Request, P1003.1b-1993, p. 164
+ */
+
+int aio_suspend(
+  const struct aiocb  * const   list[],
+  int                     nent,
+  const struct timespec  *timeout
+);
+
+#if defined(_POSIX_SYNCHRONIZED_IO)
+
+/*
+ *  6.7.9 Asynchronous File Synchronization, P1003.1b-1993, p. 166
+ */
+
+int aio_fsync(
+  int            op,
+  struct aiocb  *aiocbp
+);
+
+#endif /* _POSIX_SYNCHRONIZED_IO */
+
+#endif /* _POSIX_ASYNCHRONOUS_IO */
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */