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, 8 insertions, 219 deletions

diff --git a/c/src/lib/libbsp/powerpc/t32mppc/Makefile.am b/c/src/lib/libbsp/powerpc/t32mppc/Makefile.am
index 811e244dfb..bb7b7875ad 100644
--- a/c/src/lib/libbsp/powerpc/t32mppc/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/t32mppc/Makefile.am
@@ -4,14 +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
 DISTCLEANFILES = include/bspopts.h
 
 EXTRA_DIST += README
@@ -19,15 +13,6 @@ EXTRA_DIST += README
 noinst_PROGRAMS =
 
 
-include_bsp_HEADERS = include/irq.h \
-	../../shared/include/irq-generic.h \
-	../../shared/include/irq-info.h \
-	../../shared/include/bootcard.h \
-	../../shared/include/utility.h \
-	../shared/include/start.h \
-	../shared/include/tictac.h \
-	../shared/include/linker-symbols.h
-
 EXTRA_DIST += start/start.S
 start.$(OBJEXT): start/start.S
 	$(CPPASCOMPILE) -o $@ -c $<
@@ -38,9 +23,9 @@ rtems_crti.$(OBJEXT): ../../powerpc/shared/start/rtems_crti.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA += rtems_crti.$(OBJEXT)
 
-dist_project_lib_DATA += startup/linkcmds \
-	../shared/startup/linkcmds.base \
-	startup/linkcmds.t32mppc
+project_lib_DATA += linkcmds
+dist_project_lib_DATA += ../shared/startup/linkcmds.base
+dist_project_lib_DATA += startup/linkcmds.t32mppc
 
 noinst_LIBRARIES = libbsp.a
 libbsp_a_SOURCES =
@@ -88,5 +73,5 @@ if HAS_SMP
 libbsp_a_SOURCES += ../../shared/bspsmp.c
 endif
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/powerpc/t32mppc/headers.am
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/configure.ac b/c/src/lib/libbsp/powerpc/t32mppc/configure.ac
index efaf446f73..bb86f6149d 100644
--- a/c/src/lib/libbsp/powerpc/t32mppc/configure.ac
+++ b/c/src/lib/libbsp/powerpc/t32mppc/configure.ac
@@ -2,6 +2,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-powerpc-qoriq],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/t32mppc.cfg])
 RTEMS_TOP(../../../../../..)
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
+RTEMS_BSP_LINKCMDS
 
 RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.10])
@@ -33,7 +36,6 @@ AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
 
 RTEMS_BSP_CLEANUP_OPTIONS
 RTEMS_PPC_EXCEPTIONS
-RTEMS_BSP_LINKCMDS
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/include/bsp.h b/c/src/lib/libbsp/powerpc/t32mppc/include/bsp.h
deleted file mode 100644
index c27f235ef6..0000000000
--- a/c/src/lib/libbsp/powerpc/t32mppc/include/bsp.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2012, 2017 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_POWERPC_T32MPPC_BSP_H
-#define LIBBSP_POWERPC_T32MPPC_BSP_H
-
-#include <bspopts.h>
-
-#ifndef ASM
-
-#include <rtems.h>
-
-#include <bsp/default-initial-extension.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define BSP_FEATURE_IRQ_EXTENSION
-
-extern uint32_t bsp_time_base_frequency;
-
-void t32mppc_decrementer_dispatch(void);
-
-#endif /* ASM */
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* LIBBSP_POWERPC_T32MPPC_BSP_H */
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/include/irq.h b/c/src/lib/libbsp/powerpc/t32mppc/include/irq.h
deleted file mode 100644
index 0053aa5ac1..0000000000
--- a/c/src/lib/libbsp/powerpc/t32mppc/include/irq.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2012, 2017 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_POWERPC_T32MPPC_IRQ_H
-#define LIBBSP_POWERPC_T32MPPC_IRQ_H
-
-#include <rtems.h>
-#include <rtems/irq.h>
-#include <rtems/irq-extension.h>
-#include <rtems/score/processormask.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define BSP_INTERRUPT_VECTOR_MIN 0
-#define BSP_INTERRUPT_VECTOR_MAX 0
-
-RTEMS_INLINE_ROUTINE void bsp_interrupt_set_affinity(
-  rtems_vector_number   vector,
-  const Processor_mask *affinity
-)
-{
-  (void) vector;
-  (void) affinity;
-}
-
-RTEMS_INLINE_ROUTINE void bsp_interrupt_get_affinity(
-  rtems_vector_number  vector,
-  Processor_mask      *affinity
-)
-{
-  (void) vector;
-  _Processor_mask_From_index( affinity, 0 );
-}
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* LIBBSP_POWERPC_T32MPPC_IRQ_H */
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/include/tm27.h b/c/src/lib/libbsp/powerpc/t32mppc/include/tm27.h
deleted file mode 100644
index 0dfa7bf628..0000000000
--- a/c/src/lib/libbsp/powerpc/t32mppc/include/tm27.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <rtems/tm27-default.h>
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/preinstall.am b/c/src/lib/libbsp/powerpc/t32mppc/preinstall.am
deleted file mode 100644
index 0dfb26fa4c..0000000000
--- a/c/src/lib/libbsp/powerpc/t32mppc/preinstall.am
+++ /dev/null
@@ -1,103 +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/irq.h: include/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 += $(PROJECT_INCLUDE)/bsp/irq-info.h
-
-$(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/utility.h: ../../shared/include/utility.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
-
-$(PROJECT_INCLUDE)/bsp/start.h: ../shared/include/start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
-
-$(PROJECT_INCLUDE)/bsp/tictac.h: ../shared/include/tictac.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tictac.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tictac.h
-
-$(PROJECT_INCLUDE)/bsp/linker-symbols.h: ../shared/include/linker-symbols.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/linker-symbols.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/linker-symbols.h
-
-$(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_LIB)/linkcmds.base: ../shared/startup/linkcmds.base $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.base
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.base
-
-$(PROJECT_LIB)/linkcmds.t32mppc: startup/linkcmds.t32mppc $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.t32mppc
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.t32mppc
-
diff --git a/c/src/lib/libbsp/powerpc/t32mppc/bsp_specs b/c/src/lib/libbsp/powerpc/t32mppc/startup/bsp_specs
index f8bbffbdf6..f8bbffbdf6 100644
--- a/c/src/lib/libbsp/powerpc/t32mppc/bsp_specs
+++ b/c/src/lib/libbsp/powerpc/t32mppc/startup/bsp_specs