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, 99 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/stackimpl.h b/cpukit/include/rtems/score/stackimpl.h
new file mode 100644
index 0000000000..4c622345ff
--- /dev/null
+++ b/cpukit/include/rtems/score/stackimpl.h
@@ -0,0 +1,99 @@
+/**
+ * @file
+ *
+ * @brief Inlined Routines from the Stack Handler
+ *
+ * This file contains the static inline implementation of the inlined
+ * routines from the Stack Handler.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2006.
+ *  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_SCORE_STACKIMPL_H
+#define _RTEMS_SCORE_STACKIMPL_H
+
+#include <rtems/score/stack.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup ScoreStack
+ */
+/**@{**/
+
+/**
+ * This routine initializes the_stack record to indicate that
+ * size bytes of memory starting at starting_address have been
+ * reserved for a stack.
+ */
+RTEMS_INLINE_ROUTINE void _Stack_Initialize (
+  Stack_Control *the_stack,
+  void          *starting_address,
+  size_t         size
+)
+{
+  the_stack->area = starting_address;
+  the_stack->size = size;
+}
+
+/**
+ * This function returns the minimum stack size configured
+ * for this application.
+ *
+ * @return This method returns the minimum stack size;
+ */
+RTEMS_INLINE_ROUTINE uint32_t _Stack_Minimum (void)
+{
+  return rtems_minimum_stack_size;
+}
+
+/**
+ * This function returns true if size bytes is enough memory for
+ * a valid stack area on this processor, and false otherwise.
+ *
+ * @param[in] size is the stack size to check
+ *
+ * @return This method returns true if the stack is large enough.
+ */
+RTEMS_INLINE_ROUTINE bool _Stack_Is_enough (
+  size_t size
+)
+{
+  return ( size >= _Stack_Minimum() );
+}
+
+/**
+ * This function returns the appropriate stack size given the requested
+ * size.  If the requested size is below the minimum, then the minimum
+ * configured stack size is returned.
+ *
+ * @param[in] size is the stack size to check
+ *
+ * @return This method returns the appropriate stack size.
+ */
+RTEMS_INLINE_ROUTINE size_t _Stack_Ensure_minimum (
+  size_t size
+)
+{
+  if ( size >= _Stack_Minimum() )
+    return size;
+  return _Stack_Minimum();
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */