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, 84 insertions, 0 deletions

diff --git a/bsps/powerpc/include/bsp/pci.h b/bsps/powerpc/include/bsp/pci.h
new file mode 100644
index 0000000000..42dc43875b
--- /dev/null
+++ b/bsps/powerpc/include/bsp/pci.h
@@ -0,0 +1,84 @@
+/*
+ *  PCI defines and function prototypes
+ *
+ *  For more information, please consult the following manuals (look at
+ *  http://www.pcisig.com/ for how to get them):
+ *
+ *    PCI BIOS Specification
+ *    PCI Local Bus Specification
+ *    PCI to PCI Bridge Specification
+ *    PCI System Design Guide
+ */
+
+/*
+ *  Copyright 1994, Drew Eckhardt
+ *  Copyright 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ */
+
+#ifndef BSP_POWERPC_PCI_H
+#define BSP_POWERPC_PCI_H
+
+#include <rtems/pci.h>
+#include <stdio.h>
+
+struct _pin_routes
+{
+  int pin;
+  int int_name[4];
+};
+struct _int_map
+{
+  int bus;
+  int slot;
+  int opts;
+  struct _pin_routes pin_route[5];
+};
+
+/* If there's a conflict between a name in the routing table and
+ * what's already set on the device, reprogram the device setting
+ * to reflect int_name[0] for the routing table entry
+ */
+#define PCI_FIXUP_OPT_OVERRIDE_NAME  (1<<0)
+
+/*
+ * This is assumed to be provided by the BSP.
+ */
+void detect_host_bridge(void);
+
+void FixupPCI( const struct _int_map *, int (*swizzler)(int,int) );
+
+/* FIXME: This probably belongs into rtems/pci.h */
+extern unsigned char pci_bus_count();
+
+/* FIXME: This also is generic and could go into rtems/pci.h */
+
+/* Scan pci config space and run a user callback on each
+ * device present; the user callback may return 0 to
+ * continue the scan or a value > 0 to abort the scan.
+ * Return values < 0 are reserved and must not be used.
+ *
+ * RETURNS: a (opaque) handle pointing to the bus/slot/fn-triple
+ *          just after where the scan was aborted by a callback
+ *          returning 1 (see above) or NULL if all devices were
+ *          scanned.
+ *          The handle may be passed to this routine to resume the
+ *          scan continuing with the device after the one causing the
+ *          abort.
+ *          Pass a NULL 'handle' argument to start scanning from
+ *          the beginning (bus/slot/fn = 0/0/0).
+ */
+typedef void *BSP_PciScanHandle;
+typedef int (*BSP_PciScannerCb)(int bus, int slot, int fun, void *uarg);
+
+BSP_PciScanHandle
+BSP_pciScan(BSP_PciScanHandle handle, BSP_PciScannerCb cb, void *uarg);
+
+/* Dump basic config. space info to a file. The argument may
+ * be NULL in which case 'stdout' is used.
+ * NOTE: the C-library must be functional before you can use
+ *       this routine.
+ */
+void
+BSP_pciConfigDump(FILE *fp);
+
+#endif /* BSP_POWERPC_PCI_H */