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.

7 files changed, 6 insertions, 221 deletions

diff --git a/c/src/lib/libbsp/powerpc/qemuppc/Makefile.am b/c/src/lib/libbsp/powerpc/qemuppc/Makefile.am
index 7be4f11de3..6d887f2d47 100644
--- a/c/src/lib/libbsp/powerpc/qemuppc/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/qemuppc/Makefile.am
@@ -4,16 +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
-nodist_include_bsp_HEADERS += ../../shared/include/console-polled.h
 DISTCLEANFILES = include/bspopts.h
 noinst_PROGRAMS =
 
@@ -28,7 +20,7 @@ rtems_crti.$(OBJEXT): ../../powerpc/shared/start/rtems_crti.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA += rtems_crti.$(OBJEXT)
 
-dist_project_lib_DATA += startup/linkcmds
+project_lib_DATA += linkcmds
 
 # startup
 startup_SOURCES = ../../shared/bspclean.c \
@@ -46,9 +38,6 @@ clock_SOURCES = ../shared/clock/clock.c
 console_SOURCES = ../../shared/console-polled.c console/console-io.c
 
 # irq
-include_bsp_HEADERS = irq/irq.h \
-    ../../shared/include/irq-generic.h \
-    ../../shared/include/irq-info.h
 irq_SOURCES =
 irq_SOURCES += ../../shared/src/irq-default-handler.c
 irq_SOURCES += ../../shared/src/irq-generic.c
@@ -70,5 +59,5 @@ libbsp_a_LIBADD = ../../../libcpu/@RTEMS_CPU@/shared/cpuIdent.rel \
     ../../../libcpu/@RTEMS_CPU@/mpc6xx/mmu.rel \
     ../../../libcpu/@RTEMS_CPU@/mpc6xx/timer.rel
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/powerpc/qemuppc/headers.am
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/configure.ac b/c/src/lib/libbsp/powerpc/qemuppc/configure.ac
index 3209a0073c..0dab820017 100644
--- a/c/src/lib/libbsp/powerpc/qemuppc/configure.ac
+++ b/c/src/lib/libbsp/powerpc/qemuppc/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-powerpc-qemuppc],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/qemuppc.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/powerpc/qemuppc/include/bsp.h b/c/src/lib/libbsp/powerpc/qemuppc/include/bsp.h
deleted file mode 100644
index 240cfd3bea..0000000000
--- a/c/src/lib/libbsp/powerpc/qemuppc/include/bsp.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- *  This include file contains some definitions specific to the
- *  qemu powerpc Prep simulator
- */
-
-/*
- *  COPYRIGHT (c) 1989-2014.
- *  On-Line Applications Research Corporation (OAR).
- *
- *  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_POWERPC_QEMUPPC_BSP_H
-#define LIBBSP_POWERPC_QEMUPPC_BSP_H
-
-#ifndef ASM
-
-#include <bspopts.h>
-#include <bsp/default-initial-extension.h>
-
-#include <rtems.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- *  Convert decrementer value to tenths of microseconds (used by shared timer
- *  driver).
- */
-#define BSP_Convert_decrementer( _value ) \
-  ((int) (((_value) * 10) / bsp_clicks_per_usec))
-
-/*
- * Prototypes for methods that are referenced from .S
- */
-void cmain(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !ASM */
-
-#endif
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/include/tm27.h b/c/src/lib/libbsp/powerpc/qemuppc/include/tm27.h
deleted file mode 100644
index 0dfa7bf628..0000000000
--- a/c/src/lib/libbsp/powerpc/qemuppc/include/tm27.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <rtems/tm27-default.h>
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/irq/irq.h b/c/src/lib/libbsp/powerpc/qemuppc/irq/irq.h
deleted file mode 100644
index 7124dbcaf8..0000000000
--- a/c/src/lib/libbsp/powerpc/qemuppc/irq/irq.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* irq.h
- *
- *  This include file describe the data structure and the functions implemented
- *  by rtems to write interrupt handlers.
- *
- *  CopyRight (C) 1999 valette@crf.canon.fr
- *
- *  This code is heavilly inspired by the public specification of STREAM V2
- *  that can be found at :
- *
- *      <http://www.chorus.com/Documentation/index.html> by following
- *  the STREAM API Specification Document link.
- *
- *  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_POWERPC_IRQ_H
-#define LIBBSP_POWERPC_IRQ_H
-
-#define BSP_SHARED_HANDLER_SUPPORT      1
-
-#ifndef ASM
-
-#include <rtems/irq.h>
-
-
-/*
- * Symblolic IRQ names and related definitions.
- */
-
-/*
- * PCI IRQ handlers related definitions
- * CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE
- */
-/* FIXME: do we need PCI interrrupts here ? */
-#define BSP_PCI_IRQ_NUMBER		(16)
-#define BSP_PCI_IRQ_LOWEST_OFFSET	(0)
-#define BSP_PCI_IRQ_MAX_OFFSET		(BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1)
-
-#define BSP_PROCESSOR_IRQ_NUMBER	    (1)
-#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET	(BSP_PCI_IRQ_MAX_OFFSET)
-#define BSP_PROCESSOR_IRQ_MAX_OFFSET	(BSP_PROCESSOR_IRQ_LOWEST_OFFSET+BSP_PROCESSOR_IRQ_NUMBER-1)
-
-
-  /*
-   * Summary
-   */
-#define BSP_IRQ_NUMBER		 	(BSP_PROCESSOR_IRQ_MAX_OFFSET + 1)
-#define BSP_LOWEST_OFFSET		(BSP_PCI_IRQ_LOWEST_OFFSET)
-#define BSP_MAX_OFFSET			(BSP_IRQ_NUMBER - 1)
-
-  /*
-   * Some Processor execption handled as rtems IRQ symbolic name definition
-   */
-#define BSP_DECREMENTER			(BSP_PROCESSOR_IRQ_LOWEST_OFFSET)
-
-#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET
-
-#define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET
-
-/* #include <bsp/irq_supp.h> */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void BSP_rtems_irq_mng_init(unsigned cpuId);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-#endif
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/preinstall.am b/c/src/lib/libbsp/powerpc/qemuppc/preinstall.am
deleted file mode 100644
index 3867c4eed9..0000000000
--- a/c/src/lib/libbsp/powerpc/qemuppc/preinstall.am
+++ /dev/null
@@ -1,83 +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_INCLUDE)/bsp/console-polled.h: ../../shared/include/console-polled.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/console-polled.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/console-polled.h
-
-$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
-TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
-
-$(PROJECT_LIB)/rtems_crti.$(OBJEXT): rtems_crti.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
-TMPINSTALL_FILES += $(PROJECT_LIB)/rtems_crti.$(OBJEXT)
-
-$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
-
-$(PROJECT_INCLUDE)/bsp/irq.h: irq/irq.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
-
-$(PROJECT_INCLUDE)/bsp/irq-generic.h: ../../shared/include/irq-generic.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
-
-$(PROJECT_INCLUDE)/bsp/irq-info.h: ../../shared/include/irq-info.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-info.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-info.h
-
diff --git a/c/src/lib/libbsp/powerpc/qemuppc/bsp_specs b/c/src/lib/libbsp/powerpc/qemuppc/startup/bsp_specs
index 2625609327..2625609327 100644
--- a/c/src/lib/libbsp/powerpc/qemuppc/bsp_specs
+++ b/c/src/lib/libbsp/powerpc/qemuppc/startup/bsp_specs