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, 48 insertions, 0 deletions

diff --git a/bsps/sparc/include/bsp/gr_rasta_spw_router.h b/bsps/sparc/include/bsp/gr_rasta_spw_router.h
new file mode 100644
index 0000000000..1cc9e41979
--- /dev/null
+++ b/bsps/sparc/include/bsp/gr_rasta_spw_router.h
@@ -0,0 +1,48 @@
+/*  GR-RASTA-SPW-ROUTER PCI Peripheral driver
+ *
+ *  COPYRIGHT (c) 2015.
+ *  Cobham Gaisler.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ *
+ */
+
+#ifndef __GR_RASTA_SPW_ROUTER_H__
+#define __GR_RASTA_SPW_ROUTER_H__
+
+#include <drvmgr/drvmgr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* An array of pointers to GR-RASTA-SPW-ROUTER resources. The resources will be
+ * used by the drivers controlling the cores on the GR-RASTA-SPW-ROUTER target
+ * AMBA bus.
+ *
+ * The gr_rasta_spw_router_resources is declared weak so that the user can
+ * override the default configuration. The array must be terminated with a
+ * NULL resource.
+ */
+extern struct drvmgr_bus_res *gr_rasta_spw_router_resources[];
+
+/* Options to gr_rasta_spw_router_print function */
+#define RASTA_SPW_ROUTER_OPTIONS_AMBA  0x01 /* Print AMBA bus devices */
+#define RASTA_SPW_ROUTER_OPTIONS_IRQ   0x02 /* Print current IRQ setup */
+
+/* Print information about all GR-CPCI-LEON4-N2X PCI boards */
+void gr_rasta_spw_router_print(int options);
+
+/* Print information about one GR-CPCI-LEON4-N2X PCI board */
+void gr_rasta_spw_router_print_dev(struct drvmgr_dev *dev, int options);
+
+/* Register GR-RASTA-SPW-ROUTER driver to Driver Manager */
+void gr_rasta_spw_router_register_drv(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif