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/arm/gumstix/include/bsp.h b/bsps/arm/gumstix/include/bsp.h
new file mode 100644
index 0000000000..caee8f9e19
--- /dev/null
+++ b/bsps/arm/gumstix/include/bsp.h
@@ -0,0 +1,84 @@
+/**
+ * @file
+ * @ingroup arm_gumstix
+ * @brief Global BSP definitions.
+ */
+
+/*
+ *  By Yang Xi <hiyangxi@gmail.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_GUMSTIX_BSP_H
+#define LIBBSP_ARM_GUMSTIX_BSP_H
+
+#include <bspopts.h>
+#include <bsp/default-initial-extension.h>
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup arm_gumstix Gumstix Support
+ * @ingroup bsp_arm
+ * @brief Gumstix support package
+ * @{
+ */
+
+#define BSP_FEATURE_IRQ_EXTENSION
+
+#define BSP_HAS_FRAME_BUFFER 1
+
+/** @brief What is the input clock freq in hertz */
+#define BSP_MAIN_FREQ 3686400      /* 3.6864 MHz */
+#define BSP_SLCK_FREQ   32768      /* 32.768 KHz */
+
+/** @brief What is the last interrupt */
+#define BSP_MAX_INT AT91RM9200_MAX_INT
+
+/*
+ * forward reference the type to avoid conflicts between libchip serial
+ * and libchip rtc get and set register types.
+ */
+typedef struct _console_tbl console_tbl;
+console_tbl *BSP_get_uart_from_minor(int minor);
+
+static inline int32_t BSP_get_baud(void) {return 115200;}
+
+/** @brief How big should the interrupt stack be? */
+#define CONFIGURE_INTERRUPT_STACK_MEMORY  (16 * 1024)
+
+#define ST_PIMR_PIV	33	/* 33 ticks of the 32.768Khz clock ~= 1msec */
+
+#define outport_byte(port,val) *((unsigned char volatile*)(port)) = (val)
+#define inport_byte(port,val) (val) = *((unsigned char volatile*)(port))
+#define outport_word(port,val) *((unsigned short volatile*)(port)) = (val)
+#define inport_word(port,val) (val) = *((unsigned short volatile*)(port))
+
+struct rtems_bsdnet_ifconfig;
+extern int rtems_ne_driver_attach(struct rtems_bsdnet_ifconfig *, int);
+#define BSP_NE2000_NETWORK_DRIVER_NAME      "ne1"
+#define BSP_NE2000_NETWORK_DRIVER_ATTACH    rtems_ne_driver_attach
+
+#ifndef RTEMS_BSP_NETWORK_DRIVER_NAME
+#define RTEMS_BSP_NETWORK_DRIVER_NAME   BSP_NE2000_NETWORK_DRIVER_NAME
+#endif
+
+#ifndef RTEMS_BSP_NETWORK_DRIVER_ATTACH
+#define RTEMS_BSP_NETWORK_DRIVER_ATTACH BSP_NE2000_NETWORK_DRIVER_ATTACH
+#endif
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BSP_H */
+