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.

9 files changed, 14 insertions, 60 deletions

diff --git a/cpukit/score/cpu/sparc64/Makefile.am b/cpukit/score/cpu/sparc64/Makefile.am
index 491c197b81..2afd3edead 100644
--- a/cpukit/score/cpu/sparc64/Makefile.am
+++ b/cpukit/score/cpu/sparc64/Makefile.am
@@ -1,23 +1,13 @@
 include $(top_srcdir)/automake/compile.am
 
-include_rtemsdir = $(includedir)/rtems
-include_rtems_HEADERS = rtems/asm.h
-
 #include_rtems_sparc64dir = $(includedir)/rtems/sparc64
 #include_rtems_sparc64_HEADERS = 
 
-include_rtems_scoredir = $(includedir)/rtems/score
-include_rtems_score_HEADERS = rtems/score/sparc64.h
-include_rtems_score_HEADERS += rtems/score/cpu.h
-include_rtems_score_HEADERS += rtems/score/cpuimpl.h
-include_rtems_score_HEADERS += rtems/score/types.h
-include_rtems_score_HEADERS += rtems/score/cpuatomic.h
-
 noinst_LIBRARIES = libscorecpu.a
 libscorecpu_a_SOURCES = context.S cpu.c
 libscorecpu_a_SOURCES += ../no_cpu/cpucounterread.c
 libscorecpu_a_SOURCES += sparc64-exception-frame-print.c
 libscorecpu_a_CPPFLAGS = $(AM_CPPFLAGS)
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/automake/local.am
+include $(srcdir)/headers.am
diff --git a/cpukit/score/cpu/sparc64/headers.am b/cpukit/score/cpu/sparc64/headers.am
new file mode 100644
index 0000000000..9b54d09ece
--- /dev/null
+++ b/cpukit/score/cpu/sparc64/headers.am
@@ -0,0 +1,13 @@
+## This file was generated by "./boostrap -H".
+
+include_rtemsdir = $(includedir)/rtems
+include_rtems_HEADERS =
+include_rtems_HEADERS += include/rtems/asm.h
+
+include_rtems_scoredir = $(includedir)/rtems/score
+include_rtems_score_HEADERS =
+include_rtems_score_HEADERS += include/rtems/score/cpu.h
+include_rtems_score_HEADERS += include/rtems/score/cpuatomic.h
+include_rtems_score_HEADERS += include/rtems/score/cpuimpl.h
+include_rtems_score_HEADERS += include/rtems/score/sparc64.h
+include_rtems_score_HEADERS += include/rtems/score/types.h
diff --git a/cpukit/score/cpu/sparc64/rtems/asm.h b/cpukit/score/cpu/sparc64/include/rtems/asm.h
index f4448b03a5..f4448b03a5 100644
--- a/cpukit/score/cpu/sparc64/rtems/asm.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/asm.h
diff --git a/cpukit/score/cpu/sparc64/rtems/score/cpu.h b/cpukit/score/cpu/sparc64/include/rtems/score/cpu.h
index 47041e7d5e..47041e7d5e 100644
--- a/cpukit/score/cpu/sparc64/rtems/score/cpu.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/score/cpu.h
diff --git a/cpukit/score/cpu/sparc64/rtems/score/cpuatomic.h b/cpukit/score/cpu/sparc64/include/rtems/score/cpuatomic.h
index 598ee76b20..598ee76b20 100644
--- a/cpukit/score/cpu/sparc64/rtems/score/cpuatomic.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/score/cpuatomic.h
diff --git a/cpukit/score/cpu/sparc64/rtems/score/cpuimpl.h b/cpukit/score/cpu/sparc64/include/rtems/score/cpuimpl.h
index 789f2badd9..789f2badd9 100644
--- a/cpukit/score/cpu/sparc64/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/score/cpuimpl.h
diff --git a/cpukit/score/cpu/sparc64/rtems/score/sparc64.h b/cpukit/score/cpu/sparc64/include/rtems/score/sparc64.h
index d20c2ff509..d20c2ff509 100644
--- a/cpukit/score/cpu/sparc64/rtems/score/sparc64.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/score/sparc64.h
diff --git a/cpukit/score/cpu/sparc64/rtems/score/types.h b/cpukit/score/cpu/sparc64/include/rtems/score/types.h
index faf50b7a55..faf50b7a55 100644
--- a/cpukit/score/cpu/sparc64/rtems/score/types.h
+++ b/cpukit/score/cpu/sparc64/include/rtems/score/types.h
diff --git a/cpukit/score/cpu/sparc64/preinstall.am b/cpukit/score/cpu/sparc64/preinstall.am
deleted file mode 100644
index 8565c8a672..0000000000
--- a/cpukit/score/cpu/sparc64/preinstall.am
+++ /dev/null
@@ -1,49 +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_INCLUDE)/rtems/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)/rtems
-	@: > $(PROJECT_INCLUDE)/rtems/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/rtems/$(dirstamp)
-
-$(PROJECT_INCLUDE)/rtems/asm.h: rtems/asm.h $(PROJECT_INCLUDE)/rtems/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/asm.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/asm.h
-
-$(PROJECT_INCLUDE)/rtems/score/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)/rtems/score
-	@: > $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-
-$(PROJECT_INCLUDE)/rtems/score/sparc64.h: rtems/score/sparc64.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/sparc64.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/sparc64.h
-
-$(PROJECT_INCLUDE)/rtems/score/cpu.h: rtems/score/cpu.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/cpu.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/cpu.h
-
-$(PROJECT_INCLUDE)/rtems/score/cpuimpl.h: rtems/score/cpuimpl.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/cpuimpl.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/cpuimpl.h
-
-$(PROJECT_INCLUDE)/rtems/score/types.h: rtems/score/types.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/types.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/types.h
-
-$(PROJECT_INCLUDE)/rtems/score/cpuatomic.h: rtems/score/cpuatomic.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/cpuatomic.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/cpuatomic.h
-