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.

6 files changed, 6 insertions, 195 deletions

diff --git a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
index e1e840966e..5c51afeb58 100644
--- a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
+++ b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am
@@ -4,15 +4,8 @@ EXTRA_DIST =
 include $(top_srcdir)/../../../../automake/compile.am
 include $(top_srcdir)/../../bsp.am
 
-include_bspdir = $(includedir)/bsp
+dist_project_lib_DATA = startup/bsp_specs
 
-dist_project_lib_DATA = bsp_specs
-
-include_HEADERS = include/bsp.h
-include_HEADERS += include/tm27.h
-
-nodist_include_HEADERS = include/bspopts.h
-nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
 DISTCLEANFILES = include/bspopts.h
 noinst_PROGRAMS =
 
@@ -22,7 +15,7 @@ start.$(OBJEXT): start/start.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA = start.$(OBJEXT)
 
-dist_project_lib_DATA += startup/linkcmds
+project_lib_DATA += linkcmds
 
 noinst_LIBRARIES = libbsp.a
 libbsp_a_SOURCES =
@@ -50,5 +43,5 @@ libbsp_a_LIBADD = \
     ../../../libcpu/@RTEMS_CPU@/mcf5223x/cachepd.rel \
     ../../../libcpu/@RTEMS_CPU@/shared/misc.rel
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/m68k/mcf52235/headers.am
diff --git a/c/src/lib/libbsp/m68k/mcf52235/configure.ac b/c/src/lib/libbsp/m68k/mcf52235/configure.ac
index 3054b0d441..da0b172536 100644
--- a/c/src/lib/libbsp/m68k/mcf52235/configure.ac
+++ b/c/src/lib/libbsp/m68k/mcf52235/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-m68k-mcf52235],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/mcf52235.cfg])
 RTEMS_TOP(../../../../../..)
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
+RTEMS_BSP_LINKCMDS
 
 RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
diff --git a/c/src/lib/libbsp/m68k/mcf52235/include/bsp.h b/c/src/lib/libbsp/m68k/mcf52235/include/bsp.h
deleted file mode 100644
index ef3b928a24..0000000000
--- a/c/src/lib/libbsp/m68k/mcf52235/include/bsp.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/**
- * @file
- *
- * @ingroup m68k_mcf52235
- *
- * @brief Global BSP definitions
- */
-
-/*
- *  mcf52235 BSP header file
- */
-
-#ifndef LIBBSP_M68K_MCF52235_BSP_H
-#define LIBBSP_M68K_MCF52235_BSP_H
-
-#include <bspopts.h>
-#include <bsp/default-initial-extension.h>
-#include <rtems.h>
-#include <rtems/bspIo.h>
-
-/***************************************************************************/
-/**  Hardware data structure headers                                      **/
-#include <mcf5223x/mcf5223x.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Declare base address of peripherals area */
-#define __IPSBAR ((vuint8 *) 0x40000000)
-
-/***************************************************************************/
-/**  Network driver configuration                                         **/
-
-/***************************************************************************/
-/**  User Definable configuration                                         **/
-
-/* define which port the console should use - all other ports are then defined as general purpose */
-#define CONSOLE_PORT        0
-
-/* externals */
-
-/* constants */
-
-/* functions */
-
-uint32_t bsp_get_CPU_clock_speed(void);
-
-rtems_isr_entry set_vector(
-  rtems_isr_entry     handler,
-  rtems_vector_number vector,
-  int                 type
-);
-
-/*
- * Interrupt assignments
- *  Highest-priority listed first
- */
-
-#define PIT3_IRQ_LEVEL      4
-#define PIT3_IRQ_PRIORITY   0
-
-#define UART0_IRQ_LEVEL     3
-#define UART0_IRQ_PRIORITY  7
-#define UART1_IRQ_LEVEL     3
-#define UART1_IRQ_PRIORITY  6
-#define UART2_IRQ_LEVEL     3
-#define UART2_IRQ_PRIORITY  5
-
-/*
- * Prototypes for BSP methods which cross file boundaries
- */
-void Init52235(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
-/**
- * @defgroup m68k_mcf52235 MCF52235 Support
- *
- * @ingroup bsp_m68k
- *
- * @brief MCF52235 Support Package
- */
diff --git a/c/src/lib/libbsp/m68k/mcf52235/include/tm27.h b/c/src/lib/libbsp/m68k/mcf52235/include/tm27.h
deleted file mode 100644
index b4b62ef721..0000000000
--- a/c/src/lib/libbsp/m68k/mcf52235/include/tm27.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * @file
- * @ingroup m68k_mcf52235
- * @brief Implementations for interrupt mechanisms for Time Test 27
- */
-
-/*
- *  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 _RTEMS_TMTEST27
-#error "This is an RTEMS internal file you must not include directly."
-#endif
-
-#ifndef __tm27_h
-#define __tm27_h
-
-/*
- *  Stuff for Time Test 27
- *  Don't bother with hardware -- just use a software-interrupt
- */
-
-#define MUST_WAIT_FOR_INTERRUPT 0
-
-#define Install_tm27_vector( handler ) set_vector( (handler), 35, 1 )
-
-#define Cause_tm27_intr()	asm volatile ("trap #3");
-
-#define Clear_tm27_intr() /* empty */
-
-#define Lower_tm27_intr() /* empty */
-
-#endif
diff --git a/c/src/lib/libbsp/m68k/mcf52235/preinstall.am b/c/src/lib/libbsp/m68k/mcf52235/preinstall.am
deleted file mode 100644
index 0bdb6554d6..0000000000
--- a/c/src/lib/libbsp/m68k/mcf52235/preinstall.am
+++ /dev/null
@@ -1,63 +0,0 @@
-## Automatically generated by ampolish3 - Do not edit
-
-if AMPOLISH3
-$(srcdir)/preinstall.am: Makefile.am
-	$(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
-endif
-
-PREINSTALL_DIRS =
-DISTCLEANFILES += $(PREINSTALL_DIRS)
-
-all-am: $(PREINSTALL_FILES)
-
-PREINSTALL_FILES =
-CLEANFILES = $(PREINSTALL_FILES)
-
-all-local: $(TMPINSTALL_FILES)
-
-TMPINSTALL_FILES =
-CLEANFILES += $(TMPINSTALL_FILES)
-
-$(PROJECT_LIB)/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_LIB)
-	@: > $(PROJECT_LIB)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
-
-$(PROJECT_INCLUDE)/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)
-	@: > $(PROJECT_INCLUDE)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
-
-$(PROJECT_INCLUDE)/bsp/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
-	@: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-
-$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
-PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
-
-$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
-
-$(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
-
-$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
-
-$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
-
-$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
-TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
-
-$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
-
diff --git a/c/src/lib/libbsp/m68k/mcf52235/bsp_specs b/c/src/lib/libbsp/m68k/mcf52235/startup/bsp_specs
index 3a20757667..3a20757667 100644
--- a/c/src/lib/libbsp/m68k/mcf52235/bsp_specs
+++ b/c/src/lib/libbsp/m68k/mcf52235/startup/bsp_specs