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, 140 insertions, 0 deletions

diff --git a/cpukit/include/rtems/posix/psignalimpl.h b/cpukit/include/rtems/posix/psignalimpl.h
new file mode 100644
index 0000000000..cccc3dafc9
--- /dev/null
+++ b/cpukit/include/rtems/posix/psignalimpl.h
@@ -0,0 +1,140 @@
+/**
+ * @file
+ * 
+ * @brief POSIX Signals Support
+ *
+ * This include file defines internal information about POSIX signals.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2013.
+ *  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_POSIX_PSIGNALIMPL_H
+#define _RTEMS_POSIX_PSIGNALIMPL_H
+
+/**
+ * @defgroup POSIX_SIGNALS POSIX Signals Support
+ *
+ * @ingroup POSIXAPI
+ *
+ * @brief Internal Information about POSIX Signals
+ * 
+ */
+/**@{**/
+
+#include <rtems/posix/psignal.h>
+#include <rtems/posix/pthread.h>
+#include <rtems/posix/sigset.h>
+#include <rtems/score/isrlock.h>
+#include <rtems/score/percpu.h>
+#include <rtems/score/threadqimpl.h>
+
+#define POSIX_SIGNALS_TQ_OPERATIONS &_Thread_queue_Operations_FIFO
+
+#define _States_Is_interruptible_signal( _states ) \
+  ( ((_states) & \
+    (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL)) == \
+      (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL))
+
+#define SIGACTION_TERMINATE \
+  { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Abnormal_termination_handler} }
+#define SIGACTION_IGNORE \
+  { 0, SIGNAL_ALL_MASK, {SIG_IGN} }
+#define SIGACTION_STOP \
+  { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Stop_handler} }
+#define SIGACTION_CONTINUE \
+  { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Continue_handler} }
+
+#define SIG_ARRAY_MAX  (SIGRTMAX + 1)
+
+/*
+ *  Variables
+ */
+
+extern sigset_t  _POSIX_signals_Pending;
+
+extern const struct sigaction _POSIX_signals_Default_vectors[ SIG_ARRAY_MAX ];
+
+extern struct sigaction _POSIX_signals_Vectors[ SIG_ARRAY_MAX ];
+
+extern Thread_queue_Control _POSIX_signals_Wait_queue;
+
+extern Chain_Control _POSIX_signals_Inactive_siginfo;
+
+extern Chain_Control _POSIX_signals_Siginfo[ SIG_ARRAY_MAX ];
+
+/*
+ *  Internal routines
+ */
+
+RTEMS_INLINE_ROUTINE void _POSIX_signals_Acquire(
+  Thread_queue_Context *queue_context
+)
+{
+  _Thread_queue_Acquire( &_POSIX_signals_Wait_queue, queue_context );
+}
+
+RTEMS_INLINE_ROUTINE void _POSIX_signals_Release(
+  Thread_queue_Context *queue_context
+)
+{
+  _Thread_queue_Release( &_POSIX_signals_Wait_queue, queue_context );
+}
+
+/**
+ * @brief Unlock POSIX signals thread.
+ */
+bool _POSIX_signals_Unblock_thread(
+  Thread_Control  *the_thread,
+  int              signo,
+  siginfo_t       *info
+);
+
+/**
+ * @brief Clear POSIX signals.
+ */
+bool _POSIX_signals_Clear_signals(
+  POSIX_API_Control  *api,
+  int                 signo,
+  siginfo_t          *info,
+  bool                is_global,
+  bool                check_blocked,
+  bool                do_signals_acquire_release
+);
+
+int _POSIX_signals_Send(
+  pid_t               pid,
+  int                 sig,
+  const union sigval *value
+);
+
+/**
+ *  @brief Set POSIX process signals.
+ */
+void _POSIX_signals_Set_process_signals(
+  sigset_t   mask
+);
+
+void _POSIX_signals_Clear_process_signals(
+  int        signo
+);
+
+/*
+ *  Default signal handlers
+ */
+
+#define _POSIX_signals_Stop_handler NULL
+#define _POSIX_signals_Continue_handler NULL
+
+void _POSIX_signals_Abnormal_termination_handler( int signo );
+
+/** @} */
+
+#endif
+/* end of file */