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, 0 insertions, 67 deletions

diff --git a/c/src/lib/libcpu/powerpc/mpc83xx/include/gtm.h b/c/src/lib/libcpu/powerpc/mpc83xx/include/gtm.h
deleted file mode 100644
index a17510ed10..0000000000
--- a/c/src/lib/libcpu/powerpc/mpc83xx/include/gtm.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/**
- * @file
- *
- * @brief Header file for timer functions.
- */
-
-/*
- * Copyright (c) 2008
- * Embedded Brains GmbH
- * Obere Lagerstr. 30
- * D-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 LIBBSP_POWERPC_MPC83XX_TIMER_H
-#define LIBBSP_POWERPC_MPC83XX_TIMER_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-#include <rtems.h>
-
-#define MPC83XX_GTM_NUMBER 8
-
-#define MPC83XX_GTM_CLOCK_CASCADED 0x0000
-#define MPC83XX_GTM_CLOCK_SYSTEM 0x0002
-#define MPC83XX_GTM_CLOCK_SYSTEM_SLOW 0x0004
-#define MPC83XX_GTM_CLOCK_EXTERN 0x0006
-
-rtems_status_code mpc83xx_gtm_initialize( int timer, int clock);
-
-rtems_status_code mpc83xx_gtm_enable_restart( int timer, bool enable);
-
-rtems_status_code mpc83xx_gtm_set_clock( int timer, int clock);
-
-rtems_status_code mpc83xx_gtm_get_clock( int timer, int *clock);
-
-rtems_status_code mpc83xx_gtm_start( int timer);
-
-rtems_status_code mpc83xx_gtm_stop( int timer);
-
-rtems_status_code mpc83xx_gtm_set_value( int timer, uint16_t value);
-
-rtems_status_code mpc83xx_gtm_get_value( int timer, uint16_t *value);
-
-rtems_status_code mpc83xx_gtm_set_reference( int timer, uint16_t reference);
-
-rtems_status_code mpc83xx_gtm_get_reference( int timer, uint16_t *reference);
-
-rtems_status_code mpc83xx_gtm_set_prescale( int timer, uint8_t prescale);
-
-rtems_status_code mpc83xx_gtm_get_prescale( int timer, uint8_t *prescale);
-
-rtems_status_code mpc83xx_gtm_interrupt_get_vector( int timer, rtems_vector_number *vector);
-
-rtems_status_code mpc83xx_gtm_interrupt_enable( int timer);
-
-rtems_status_code mpc83xx_gtm_interrupt_disable( int timer);
-
-rtems_status_code mpc83xx_gtm_interrupt_clear( int timer);
-
-#endif /* LIBBSP_POWERPC_MPC83XX_TIMER_H */