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, 55 insertions, 0 deletions

diff --git a/bsps/include/libchip/am29lv160.h b/bsps/include/libchip/am29lv160.h
new file mode 100644
index 0000000000..49d8e248ac
--- /dev/null
+++ b/bsps/include/libchip/am29lv160.h
@@ -0,0 +1,55 @@
+/*
+ * RTEMS Project (http://www.rtems.org/)
+ *
+ * Copyright 2007 Chris Johns (chrisj@rtems.org)
+ */
+
+/**
+ * Flash Disk Device Driver.
+ *
+ * Am29LV160D 16 Megabit (2M x 8bit) 3.0 Volt-only
+ * Boot Sctor Flash Memory.
+ */
+
+#if !defined (_RTEMS_AM29LV160_H_)
+#define _RTEMS_AM29LV160_H_
+
+#include <rtems/flashdisk.h>
+
+/**
+ * The segments in the AM29LV160 top boot block device.
+ */
+#define rtems_am29lv160t_segment_count (4)
+extern const rtems_fdisk_segment_desc rtems_am29lv160t_segments[4];
+
+/**
+ * The segments in the AM29LV160 bottom boot block device.
+ */
+#define rtems_am29lv160b_segment_count (4)
+extern const rtems_fdisk_segment_desc rtems_am29lv160b_segments[4];
+
+/**
+ * The segments in the AM29LV160 top boot block device.
+ */
+extern const rtems_fdisk_driver_handlers rtems_am29lv160_handlers;
+
+/**
+ * The device configuration.
+ */
+typedef struct rtems_am29lv160_config
+{
+  int   bus_8bit;
+  void* base;
+} rtems_am29lv160_config;
+
+/**
+ * External reference to the configuration.
+ */
+extern const rtems_am29lv160_config rtems_am29lv160_configuration[];
+
+/**
+ * External reference to the configuration size
+ */
+extern uint32_t rtems_am29lv160_configuration_size;
+
+#endif