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/no_cpu/Makefile.am b/cpukit/score/cpu/no_cpu/Makefile.am
index 3134c01da8..556d3dea34 100644
--- a/cpukit/score/cpu/no_cpu/Makefile.am
+++ b/cpukit/score/cpu/no_cpu/Makefile.am
@@ -1,19 +1,9 @@
 include $(top_srcdir)/automake/compile.am
 
-include_rtemsdir = $(includedir)/rtems
-include_rtems_HEADERS = rtems/asm.h
-
-include_rtems_scoredir = $(includedir)/rtems/score
-include_rtems_score_HEADERS = rtems/score/cpu.h
-include_rtems_score_HEADERS += rtems/score/cpuimpl.h
-include_rtems_score_HEADERS += rtems/score/no_cpu.h
-include_rtems_score_HEADERS += rtems/score/cpu_asm.h
-include_rtems_score_HEADERS += rtems/score/types.h
-
 noinst_LIBRARIES = libscorecpu.a
 libscorecpu_a_SOURCES = cpu.c cpu_asm.c
 libscorecpu_a_SOURCES += cpucounterread.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/no_cpu/headers.am b/cpukit/score/cpu/no_cpu/headers.am
new file mode 100644
index 0000000000..faf934fb1e
--- /dev/null
+++ b/cpukit/score/cpu/no_cpu/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/cpu_asm.h
+include_rtems_score_HEADERS += include/rtems/score/cpuimpl.h
+include_rtems_score_HEADERS += include/rtems/score/no_cpu.h
+include_rtems_score_HEADERS += include/rtems/score/types.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/asm.h b/cpukit/score/cpu/no_cpu/include/rtems/asm.h
index 926e3964e5..926e3964e5 100644
--- a/cpukit/score/cpu/no_cpu/rtems/asm.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/asm.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
index c16adc7327..c16adc7327 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpu_asm.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu_asm.h
index 747fd3a1c1..747fd3a1c1 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpu_asm.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu_asm.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpuimpl.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h
index 85214d7f6c..85214d7f6c 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/no_cpu.h b/cpukit/score/cpu/no_cpu/include/rtems/score/no_cpu.h
index d1bbceccc0..d1bbceccc0 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/no_cpu.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/no_cpu.h
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/types.h b/cpukit/score/cpu/no_cpu/include/rtems/score/types.h
index b330c33904..b330c33904 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/types.h
+++ b/cpukit/score/cpu/no_cpu/include/rtems/score/types.h
diff --git a/cpukit/score/cpu/no_cpu/preinstall.am b/cpukit/score/cpu/no_cpu/preinstall.am
deleted file mode 100644
index fa63e6a812..0000000000
--- a/cpukit/score/cpu/no_cpu/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/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/no_cpu.h: rtems/score/no_cpu.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/no_cpu.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/no_cpu.h
-
-$(PROJECT_INCLUDE)/rtems/score/cpu_asm.h: rtems/score/cpu_asm.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/cpu_asm.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/cpu_asm.h
-
-$(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
-