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, 108 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/assert.h b/cpukit/include/rtems/score/assert.h
new file mode 100644
index 0000000000..d4432838ce
--- /dev/null
+++ b/cpukit/include/rtems/score/assert.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2013-2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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_ASSERT_H
+#define _RTEMS_SCORE_ASSERT_H
+
+#include <rtems/score/basedefs.h>
+
+#if defined( RTEMS_DEBUG )
+  #include <assert.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @brief Assertion similar to assert() controlled via RTEMS_DEBUG instead of
+ * NDEBUG.
+ */
+#if defined( RTEMS_DEBUG )
+
+  /**
+   * @brief Macro with method name used in assert output
+   *
+   * Given the variations in compilers and standards, we have to poke a bit.
+   *
+   * @note This is based on the code in newlib's assert.h.
+   */
+  #ifndef __RTEMS_ASSERT_FUNCTION
+    /* Use g++'s demangled names in C++.  */
+    #if defined __cplusplus && defined __GNUC__
+      #define __RTEMS_ASSERT_FUNCTION __PRETTY_FUNCTION__
+
+    /* C99 requires the use of __func__.  */
+    #elif __STDC_VERSION__ >= 199901L
+      #define __RTEMS_ASSERT_FUNCTION __func__
+
+    /* Older versions of gcc don't have __func__ but can use __FUNCTION__.  */
+    #elif __GNUC__ >= 2
+      #define __RTEMS_ASSERT_FUNCTION __FUNCTION__
+
+    /* failed to detect __func__ support.  */
+    #else
+      #define __RTEMS_ASSERT_FUNCTION ((char *) 0)
+    #endif
+  #endif /* !__RTEMS_ASSERT_FUNCTION */
+
+  #if !defined( RTEMS_SCHEDSIM )
+    /* normal build is newlib. */
+
+    void __assert_func(const char *, int, const char *, const char *)
+      RTEMS_NO_RETURN;
+
+    #define _Assert( _e ) \
+       ( ( _e ) ? \
+         ( void ) 0 : \
+           __assert_func( __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION, #_e ) )
+
+  #elif defined(__linux__)
+    /* Scheduler simulator has only beed tested on glibc. */
+    #define _Assert( _e ) \
+     ( ( _e ) ? \
+       ( void ) 0 : \
+         __assert_fail( #_e, __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION ) )
+  #else
+    #error "Implement RTEMS assert support for this C Library"
+  #endif
+
+#else
+  #define _Assert( _e ) ( ( void ) 0 )
+#endif
+
+/**
+ * @brief Like _Assert(), but only armed if RTEMS_SMP is defined.
+ */
+#if defined( RTEMS_SMP )
+  #define _SMP_Assert( _e ) _Assert( _e )
+#else
+  #define _SMP_Assert( _e ) ( ( void ) 0 )
+#endif
+
+/**
+ * @brief Returns true if thread dispatching is allowed.
+ *
+ * Thread dispatching can be repressed via _Thread_Disable_dispatch() or
+ * _ISR_Local_disable().
+ */
+#if defined( RTEMS_DEBUG )
+  bool _Debug_Is_thread_dispatching_allowed( void );
+#endif
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _RTEMS_SCORE_ASSERT_H */