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, 102 insertions, 0 deletions

diff --git a/bsps/arm/atsam/include/bsp.h b/bsps/arm/atsam/include/bsp.h
new file mode 100644
index 0000000000..cd0103ad70
--- /dev/null
+++ b/bsps/arm/atsam/include/bsp.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  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_ARM_ATSAM_BSP_H
+#define LIBBSP_ARM_ATSAM_BSP_H
+
+#include <bspopts.h>
+#include <bsp/default-initial-extension.h>
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define BSP_FEATURE_IRQ_EXTENSION
+
+#define BSP_ARMV7M_IRQ_PRIORITY_DEFAULT (13 << 4)
+
+#define BSP_ARMV7M_SYSTICK_PRIORITY (14 << 4)
+
+uint32_t atsam_systick_frequency(void);
+
+#define BSP_ARMV7M_SYSTICK_FREQUENCY atsam_systick_frequency()
+
+struct rtems_bsdnet_ifconfig;
+
+int if_atsam_attach(struct rtems_bsdnet_ifconfig *config, int attaching);
+
+#define RTEMS_BSP_NETWORK_DRIVER_NAME "atsam0"
+
+#define RTEMS_BSP_NETWORK_DRIVER_ATTACH if_atsam_attach
+
+/**
+ * @brief Interface driver configuration.
+ */
+typedef struct {
+  /**
+   * @brief Maximum retries for MDIO communication.
+   */
+  uint32_t mdio_retries;
+
+  /**
+   * @brief Address of PHY.
+   *
+   * Use 0xff to search for a PHY.
+   */
+  uint8_t phy_addr;
+} if_atsam_config;
+
+extern char atsam_memory_dtcm_begin[];
+extern char atsam_memory_dtcm_end[];
+extern char atsam_memory_dtcm_size[];
+
+extern char atsam_memory_intflash_begin[];
+extern char atsam_memory_intflash_end[];
+extern char atsam_memory_intflash_size[];
+
+extern char atsam_memory_intsram_begin[];
+extern char atsam_memory_intsram_end[];
+extern char atsam_memory_intsram_size[];
+
+extern char atsam_memory_itcm_begin[];
+extern char atsam_memory_itcm_end[];
+extern char atsam_memory_itcm_size[];
+
+extern char atsam_memory_nocache_begin[];
+extern char atsam_memory_nocache_end[];
+extern char atsam_memory_nocache_size[];
+
+extern char atsam_memory_qspiflash_begin[];
+extern char atsam_memory_qspiflash_end[];
+extern char atsam_memory_qspiflash_size[];
+
+extern char atsam_memory_sdram_begin[];
+extern char atsam_memory_sdram_end[];
+extern char atsam_memory_sdram_size[];
+
+void atsam_rtc_get_time(rtems_time_of_day *tod);
+
+
+
+void bsp_restart( const void *const addr );
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_ATSAM_BSP_H */