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.

11 files changed, 16 insertions, 70 deletions

diff --git a/cpukit/score/cpu/riscv/Makefile.am b/cpukit/score/cpu/riscv/Makefile.am
index 1de5b2da42..3630c038a7 100644
--- a/cpukit/score/cpu/riscv/Makefile.am
+++ b/cpukit/score/cpu/riscv/Makefile.am
@@ -1,16 +1,4 @@
 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/cpuatomic.h
-include_rtems_score_HEADERS += rtems/score/cpuimpl.h
-include_rtems_score_HEADERS += rtems/score/cpu_asm.h
-include_rtems_score_HEADERS += rtems/score/types.h
-include_rtems_score_HEADERS += rtems/score/riscv.h
-include_rtems_score_HEADERS += rtems/score/riscv-utility.h
-
 noinst_LIBRARIES = libscorecpu.a
 libscorecpu_a_CPPFLAGS = $(AM_CPPFLAGS)
 libscorecpu_a_SOURCES  = cpu.c
@@ -22,5 +10,5 @@ libscorecpu_a_SOURCES += riscv-context-initialize.c
 libscorecpu_a_SOURCES += riscv-context-validate.S
 libscorecpu_a_SOURCES += riscv-context-volatile-clobber.S
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/automake/local.am
+include $(srcdir)/headers.am
diff --git a/cpukit/score/cpu/riscv/headers.am b/cpukit/score/cpu/riscv/headers.am
new file mode 100644
index 0000000000..b5d3295c33
--- /dev/null
+++ b/cpukit/score/cpu/riscv/headers.am
@@ -0,0 +1,15 @@
+## 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/cpuatomic.h
+include_rtems_score_HEADERS += include/rtems/score/cpuimpl.h
+include_rtems_score_HEADERS += include/rtems/score/riscv-utility.h
+include_rtems_score_HEADERS += include/rtems/score/riscv.h
+include_rtems_score_HEADERS += include/rtems/score/types.h
diff --git a/cpukit/score/cpu/riscv/rtems/asm.h b/cpukit/score/cpu/riscv/include/rtems/asm.h
index 34b6474515..34b6474515 100644
--- a/cpukit/score/cpu/riscv/rtems/asm.h
+++ b/cpukit/score/cpu/riscv/include/rtems/asm.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/cpu.h b/cpukit/score/cpu/riscv/include/rtems/score/cpu.h
index 3f8af862bf..3f8af862bf 100644
--- a/cpukit/score/cpu/riscv/rtems/score/cpu.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/cpu.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/cpu_asm.h b/cpukit/score/cpu/riscv/include/rtems/score/cpu_asm.h
index b5a56f3e22..b5a56f3e22 100644
--- a/cpukit/score/cpu/riscv/rtems/score/cpu_asm.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/cpu_asm.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/cpuatomic.h b/cpukit/score/cpu/riscv/include/rtems/score/cpuatomic.h
index 8ee9606b44..8ee9606b44 100644
--- a/cpukit/score/cpu/riscv/rtems/score/cpuatomic.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/cpuatomic.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/cpuimpl.h b/cpukit/score/cpu/riscv/include/rtems/score/cpuimpl.h
index 3904c84bf9..3904c84bf9 100644
--- a/cpukit/score/cpu/riscv/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/cpuimpl.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/riscv-utility.h b/cpukit/score/cpu/riscv/include/rtems/score/riscv-utility.h
index dc4836bee2..dc4836bee2 100644
--- a/cpukit/score/cpu/riscv/rtems/score/riscv-utility.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/riscv-utility.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/riscv.h b/cpukit/score/cpu/riscv/include/rtems/score/riscv.h
index 6e7f1370c6..6e7f1370c6 100644
--- a/cpukit/score/cpu/riscv/rtems/score/riscv.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/riscv.h
diff --git a/cpukit/score/cpu/riscv/rtems/score/types.h b/cpukit/score/cpu/riscv/include/rtems/score/types.h
index d1440fb319..d1440fb319 100644
--- a/cpukit/score/cpu/riscv/rtems/score/types.h
+++ b/cpukit/score/cpu/riscv/include/rtems/score/types.h
diff --git a/cpukit/score/cpu/riscv/preinstall.am b/cpukit/score/cpu/riscv/preinstall.am
deleted file mode 100644
index 14256ba876..0000000000
--- a/cpukit/score/cpu/riscv/preinstall.am
+++ /dev/null
@@ -1,57 +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/cpuatomic.h: rtems/score/cpuatomic.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/cpuatomic.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/cpuatomic.h
-
-$(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/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 += $(PROJECT_INCLUDE)/rtems/score/types.h
-
-$(PROJECT_INCLUDE)/rtems/score/riscv.h: rtems/score/riscv.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/riscv.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/riscv.h
-
-$(PROJECT_INCLUDE)/rtems/score/riscv-utility.h: rtems/score/riscv-utility.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/riscv-utility.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/riscv-utility.h
-