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, 107 deletions

diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/Makefile.am b/c/src/lib/libbsp/no_cpu/no_bsp/Makefile.am
index c92c13f5a8..339870f03b 100644
--- a/c/src/lib/libbsp/no_cpu/no_bsp/Makefile.am
+++ b/c/src/lib/libbsp/no_cpu/no_bsp/Makefile.am
@@ -4,20 +4,12 @@ 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 =
 
-
-dist_project_lib_DATA += startup/linkcmds
+project_lib_DATA = linkcmds
 
 noinst_LIBRARIES = libbsp.a
 libbsp_a_SOURCES =
@@ -42,5 +34,5 @@ libbsp_a_SOURCES += shmsupp/addrconv.c shmsupp/getcfg.c shmsupp/lock.c \
 
 EXTRA_DIST += times
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/no_cpu/no_bsp/headers.am
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/configure.ac b/c/src/lib/libbsp/no_cpu/no_bsp/configure.ac
index 1c8fb3c2c9..f39164358a 100644
--- a/c/src/lib/libbsp/no_cpu/no_bsp/configure.ac
+++ b/c/src/lib/libbsp/no_cpu/no_bsp/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-no_cpu-no_bsp],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/no_bsp.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/no_cpu/no_bsp/include/bsp.h b/c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h
deleted file mode 100644
index 97064425d7..0000000000
--- a/c/src/lib/libbsp/no_cpu/no_bsp/include/bsp.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*  bsp.h
- *
- *  This include file contains all board IO definitions.
- *
- *  XXX : put yours in here
- */
-
-/*
- *  COPYRIGHT (c) 1989-1999.
- *  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_NO_CPU_NO_BSP_BSP_H
-#define LIBBSP_NO_CPU_NO_BSP_BSP_H
-
-#include <bspopts.h>
-#include <bsp/default-initial-extension.h>
-
-#include <rtems.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* functions */
-
-rtems_isr_entry set_vector(                     /* returns old vector */
-  rtems_isr_entry     handler,                  /* isr routine        */
-  rtems_vector_number vector,                   /* vector number      */
-  int                 type                      /* RTEMS or RAW intr  */
-);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/include/tm27.h b/c/src/lib/libbsp/no_cpu/no_bsp/include/tm27.h
deleted file mode 100644
index 0dfa7bf628..0000000000
--- a/c/src/lib/libbsp/no_cpu/no_bsp/include/tm27.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <rtems/tm27-default.h>
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/preinstall.am b/c/src/lib/libbsp/no_cpu/no_bsp/preinstall.am
deleted file mode 100644
index e9ea1300df..0000000000
--- a/c/src/lib/libbsp/no_cpu/no_bsp/preinstall.am
+++ /dev/null
@@ -1,54 +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 = $(PREINSTALL_FILES)
-
-$(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)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
-
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/bsp_specs b/c/src/lib/libbsp/no_cpu/no_bsp/startup/bsp_specs
index 140802f2c0..140802f2c0 100644
--- a/c/src/lib/libbsp/no_cpu/no_bsp/bsp_specs
+++ b/c/src/lib/libbsp/no_cpu/no_bsp/startup/bsp_specs