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, 142 insertions, 0 deletions

diff --git a/bsps/arm/lpc176x/include/bsp/io-defs.h b/bsps/arm/lpc176x/include/bsp/io-defs.h
new file mode 100644
index 0000000000..f9cf3dbbbd
--- /dev/null
+++ b/bsps/arm/lpc176x/include/bsp/io-defs.h
@@ -0,0 +1,142 @@
+/**
+ * @file io-defs.h
+ *
+ * @ingroup lpc176x
+ *
+ * @brief Input/output module definitions.
+ */
+
+/*
+ * Copyright (c) 2014 Taller Technologies.
+ *
+ * @author  Boretto Martin    (martin.boretto@tallertechnologies.com)
+ * @author  Diaz Marcos (marcos.diaz@tallertechnologies.com)
+ * @author  Lenarduzzi Federico  (federico.lenarduzzi@tallertechnologies.com)
+ * @author  Daniel Chicco  (daniel.chicco@tallertechnologies.com)
+ *
+ * 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_LPC176X_IO_DEFS_H
+#define LIBBSP_ARM_LPC176X_IO_DEFS_H
+
+#include <bsp/lpc176x.h>
+#include <bsp/common-types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define LPC176X_PLL0CON 0XAAU
+#define LPC176X_PLL0CFG 0X55U
+
+#define LPC176X_CCLK_PRESCALER_DIVISOR 1000000U
+
+#define LPC176X_PINSEL ( &PINSEL0 )
+#define LPC176X_PINMODE ( &PINMODE0 )
+
+#define LPC176X_PIN_SELECT( index ) ( ( index ) >> 4U )
+#define LPC176X_PIN_SELECT_SHIFT( index ) ( ( ( index ) & 0xFU ) << 1U )
+#define LPC176X_PIN_SELECT_MASK 0x3U
+#define LPC176X_PIN_SELECT_MASK_SIZE 2U
+#define LPC176X_PIN_UART_0_TXD 2U
+#define LPC176X_PIN_UART_0_RXD 3U
+#define LPC176X_PIN_UART_1_TXD 15U
+#define LPC176X_PIN_UART_1_RXD 16U
+#define LPC176X_PIN_UART_2_TXD 10U
+#define LPC176X_PIN_UART_2_RXD 11U
+#define LPC176X_PIN_UART_3_TXD 0U
+#define LPC176X_PIN_UART_3_RXD 1U
+
+#define LPC176X_MODULE_BITS_COUNT 32U
+#define LPC176X_MODULE_COUNT ( LPC176X_MODULE_USB + 1U )
+
+#define LPC176X_IO_PORT_COUNT 5U
+#define LPC176X_IO_INDEX_MAX ( LPC176X_IO_PORT_COUNT *       \
+                               LPC176X_MODULE_BITS_COUNT )
+#define LPC176X_IO_INDEX_BY_PORT( port, bit ) ( ( ( port ) << 5U ) + ( bit ) )
+#define LPC176X_IO_PORT( index ) ( ( index ) >> 5U )
+#define LPC176X_IO_PORT_BIT( index ) ( ( index ) & 0x1FU )
+
+/**
+ * @brief Defines the functions according to the pin.
+ *
+ * Enumerated type to define the set of pin function for a io device.
+ */
+typedef enum {
+  LPC176X_PIN_FUNCTION_00,
+  LPC176X_PIN_FUNCTION_01,
+  LPC176X_PIN_FUNCTION_10,
+  LPC176X_PIN_FUNCTION_11,
+  LPC176X_PIN_FUNCTION_COUNT
+}
+lpc176x_pin_function;
+
+/**
+ * @brief Defines the pin modes.
+ *
+ */
+typedef enum {
+  LPC176X_PIN_MODE_PULLUP,
+  LPC176X_PIN_MODE_REPEATER,
+  LPC176X_PIN_MODE_NONE,
+  LPC176X_PIN_MODE_PULLDOWN,
+  LPC176X_PIN_MODE_COUNT
+}
+lpc176x_pin_mode;
+
+/**
+ * @brief Defines all type of pins.
+ *
+ * Enumerated type to define the set of pin type for a io device.
+ */
+typedef enum {
+  LPC176X_PIN_TYPE_DEFAULT,
+  LPC176X_PIN_TYPE_ADC,
+  LPC176X_PIN_TYPE_DAC,
+  LPC176X_PIN_TYPE_OPEN_DRAIN
+} lpc176x_pin_type;
+
+/**
+ * @brief Represents each pclksel number.
+ *
+ * Enumerated type to define the set of values for a pcklsel.
+ */
+typedef enum {
+  LPC176X_SCB_PCLKSEL0,
+  LPC176X_SCB_PCLKSEL1,
+  LPC176X_SCB_PCLKSEL_COUNT
+} lpc176x_scb_value_pclksel;
+
+/**
+ * @brief Defines the module entry.
+ */
+typedef struct {
+  /**
+   * @brief Power entry bit.
+   */
+  unsigned char power : 1;
+  /**
+   * @brief Clock entry bit.
+   */
+  unsigned char clock : 1;
+  /**
+   * @brief Index entry bits.
+   */
+  unsigned char index : 6;
+} lpc176x_module_entry;
+
+#define LPC176X_MODULE_ENTRY( mod, pwr, clk, idx )  \
+  [ mod ] = {                                       \
+    .power = pwr,                                 \
+    .clock = clk,                                 \
+    .index = idx                                  \
+  }
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_LPC176X_IO_DEFS_H */