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, 84 deletions

diff --git a/c/src/lib/libbsp/arm/imx/include/bsp.h b/c/src/lib/libbsp/arm/imx/include/bsp.h
deleted file mode 100644
index b5fb7127df..0000000000
--- a/c/src/lib/libbsp/arm/imx/include/bsp.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2017 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Dornierstr. 4
- *  82178 Puchheim
- *  Germany
- *  <info@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_ARM_IMX_BSP_H
-#define LIBBSP_ARM_IMX_BSP_H
-
-#include <bspopts.h>
-
-#define BSP_FEATURE_IRQ_EXTENSION
-
-#define BSP_FDT_IS_SUPPORTED
-
-#ifndef ASM
-
-#include <rtems.h>
-
-#include <bsp/default-initial-extension.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define BSP_ARM_GIC_DIST_BASE 0x31001000
-
-#define BSP_ARM_GIC_CPUIF_BASE 0x31002000
-
-#define BSP_ARM_A9MPCORE_GT_BASE 0
-
-#define BSP_ARM_A9MPCORE_SCU_BASE 0
-
-void arm_generic_timer_get_config(uint32_t *frequency, uint32_t *irq);
-
-void *imx_get_reg_of_node(const void *fdt, int node);
-
-int imx_iomux_configure_pins(const void *fdt, uint32_t phandle);
-
-rtems_vector_number imx_get_irq_of_node(
-  const void *fdt,
-  int node,
-  size_t index
-);
-
-void imx_uart_console_drain(void);
-
-/**
- * @brief Registers an IMX I2C bus driver.
- *
- * @param[in] bus_path The I2C bus driver device path, e.g. "/dev/i2c-0".
- * @param[in] alias_or_path The FDT alias or path, e.g. "i2c0".
- *
- * @retval 0 Successful operation.
- * @retval -1 An error occurred.  The errno is set to indicate the error.
- */
-int i2c_bus_register_imx(const char *bus_path, const char *alias_or_path);
-
-/**
- * @brief Registers an IMX ECSPI bus driver.
- *
- * @param[in] bus_path The ECSPI bus driver device path, e.g. "/dev/spi-0".
- * @param[in] alias_or_path The FDT alias or path, e.g. "spi0".
- *
- * @retval 0 Successful operation.
- * @retval -1 An error occurred.  The errno is set to indicate the error.
- */
-int spi_bus_register_imx(const char *bus_path, const char *alias_or_path);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* ASM */
-
-#endif /* LIBBSP_ARM_IMX_BSP_H */