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.

13 files changed, 67 insertions, 78 deletions

diff --git a/cpukit/score/cpu/nios2/Makefile.am b/cpukit/score/cpu/nios2/Makefile.am
index b3e9d28c01..243f937e51 100644
--- a/cpukit/score/cpu/nios2/Makefile.am
+++ b/cpukit/score/cpu/nios2/Makefile.am
@@ -3,22 +3,6 @@ include $(top_srcdir)/automake/compile.am
 CLEANFILES =
 DISTCLEANFILES =
 
-include_rtemsdir = $(includedir)/rtems
-
-include_rtems_HEADERS = rtems/asm.h
-
-include_rtems_scoredir = $(includedir)/rtems/score
-
-include_rtems_score_HEADERS =
-include_rtems_score_HEADERS += rtems/score/cpu.h
-include_rtems_score_HEADERS += rtems/score/cpuimpl.h
-include_rtems_score_HEADERS += rtems/score/nios2.h
-include_rtems_score_HEADERS += rtems/score/nios2-utility.h
-include_rtems_score_HEADERS += rtems/score/nios2-count-zeros.h
-include_rtems_score_HEADERS += rtems/score/cpu_asm.h
-include_rtems_score_HEADERS += rtems/score/types.h
-include_rtems_score_HEADERS += rtems/score/cpuatomic.h
-
 noinst_LIBRARIES = libscorecpu.a
 
 libscorecpu_a_SOURCES =
@@ -50,6 +34,6 @@ libscorecpu_a_CPPFLAGS = $(AM_CPPFLAGS)
 
 all-local: $(PREINSTALL_FILES)
 
-include $(srcdir)/preinstall.am
 
 include $(top_srcdir)/automake/local.am
+include $(srcdir)/headers.am
diff --git a/cpukit/score/cpu/nios2/headers.am b/cpukit/score/cpu/nios2/headers.am
new file mode 100644
index 0000000000..8cf15f1242
--- /dev/null
+++ b/cpukit/score/cpu/nios2/headers.am
@@ -0,0 +1,20 @@
+## This file was generated by "./boostrap -H".
+
+include_machinedir = $(includedir)/machine
+include_machine_HEADERS =
+include_machine_HEADERS += include/machine/elf_machdep.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/nios2-count-zeros.h
+include_rtems_score_HEADERS += include/rtems/score/nios2-utility.h
+include_rtems_score_HEADERS += include/rtems/score/nios2.h
+include_rtems_score_HEADERS += include/rtems/score/types.h
diff --git a/cpukit/score/cpu/nios2/include/machine/elf_machdep.h b/cpukit/score/cpu/nios2/include/machine/elf_machdep.h
new file mode 100644
index 0000000000..3f3c108bf5
--- /dev/null
+++ b/cpukit/score/cpu/nios2/include/machine/elf_machdep.h
@@ -0,0 +1,46 @@
+/*	$NetBSD: elf_machdep.h,v 1.7 2002/01/28 21:34:48 thorpej Exp $	*/
+
+#define	ELF32_MACHDEP_ENDIANNESS	ELFDATA2MSB
+#define	ELF32_MACHDEP_ID_CASES						\
+		case EM_ALTERA_NIOS2:						\
+			break;
+
+#define	ELF64_MACHDEP_ENDIANNESS	XXX	/* break compilation */
+#define	ELF64_MACHDEP_ID_CASES						\
+		/* no 64-bit ELF machine types supported */
+
+#define	ELF32_MACHDEP_ID	EM_ALTERA_NIOS2
+
+/*
+ * Machine-dependent ELF flags.  These are defined by the GNU tools.
+ */
+#define	EF_NIOS2	0x00810000
+
+#define ARCH_ELFSIZE		32	/* MD native binary size */
+
+/* NIOS2 relocation types */
+#define	R_NIOS2_NONE	0
+#define	R_NIOS2_32	1
+#define	R_NIOS2_16	2
+#define	R_NIOS2_8		3
+#define	R_NIOS2_PC32	4
+#define	R_NIOS2_PC16	5
+#define	R_NIOS2_PC8	6
+#define	R_NIOS2_GOT32	7
+#define	R_NIOS2_GOT16	8
+#define	R_NIOS2_GOT8	9
+#define	R_NIOS2_GOT32O	10
+#define	R_NIOS2_GOT16O	11
+#define	R_NIOS2_GOT8O	12
+#define	R_NIOS2_PLT32	13
+#define	R_NIOS2_PLT16	14
+#define	R_NIOS2_PLT8	15
+#define	R_NIOS2_PLT32O	16
+#define	R_NIOS2_PLT16O	17
+#define	R_NIOS2_PLT8O	18
+#define	R_NIOS2_COPY	19
+#define	R_NIOS2_GLOB_DAT	20
+#define	R_NIOS2_JMP_SLOT	21
+#define	R_NIOS2_RELATIVE	22
+
+#define	R_TYPE(name)	__CONCAT(R_NIOS2_,name)
diff --git a/cpukit/score/cpu/nios2/rtems/asm.h b/cpukit/score/cpu/nios2/include/rtems/asm.h
index 45ccd8b050..45ccd8b050 100644
--- a/cpukit/score/cpu/nios2/rtems/asm.h
+++ b/cpukit/score/cpu/nios2/include/rtems/asm.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/cpu.h b/cpukit/score/cpu/nios2/include/rtems/score/cpu.h
index a3f2f03d36..a3f2f03d36 100644
--- a/cpukit/score/cpu/nios2/rtems/score/cpu.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/cpu.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/cpu_asm.h b/cpukit/score/cpu/nios2/include/rtems/score/cpu_asm.h
index 81a19c8d69..81a19c8d69 100644
--- a/cpukit/score/cpu/nios2/rtems/score/cpu_asm.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/cpu_asm.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/cpuatomic.h b/cpukit/score/cpu/nios2/include/rtems/score/cpuatomic.h
index 598ee76b20..598ee76b20 100644
--- a/cpukit/score/cpu/nios2/rtems/score/cpuatomic.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/cpuatomic.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/cpuimpl.h b/cpukit/score/cpu/nios2/include/rtems/score/cpuimpl.h
index 789f2badd9..789f2badd9 100644
--- a/cpukit/score/cpu/nios2/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/cpuimpl.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/nios2-count-zeros.h b/cpukit/score/cpu/nios2/include/rtems/score/nios2-count-zeros.h
index bf2390a51f..bf2390a51f 100644
--- a/cpukit/score/cpu/nios2/rtems/score/nios2-count-zeros.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/nios2-count-zeros.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/nios2-utility.h b/cpukit/score/cpu/nios2/include/rtems/score/nios2-utility.h
index d5eb4b3597..d5eb4b3597 100644
--- a/cpukit/score/cpu/nios2/rtems/score/nios2-utility.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/nios2-utility.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/nios2.h b/cpukit/score/cpu/nios2/include/rtems/score/nios2.h
index 26d76bcbfa..26d76bcbfa 100644
--- a/cpukit/score/cpu/nios2/rtems/score/nios2.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/nios2.h
diff --git a/cpukit/score/cpu/nios2/rtems/score/types.h b/cpukit/score/cpu/nios2/include/rtems/score/types.h
index 23cf39419b..23cf39419b 100644
--- a/cpukit/score/cpu/nios2/rtems/score/types.h
+++ b/cpukit/score/cpu/nios2/include/rtems/score/types.h
diff --git a/cpukit/score/cpu/nios2/preinstall.am b/cpukit/score/cpu/nios2/preinstall.am
deleted file mode 100644
index fa07df865d..0000000000
--- a/cpukit/score/cpu/nios2/preinstall.am
+++ /dev/null
@@ -1,61 +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/nios2.h: rtems/score/nios2.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/nios2.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/nios2.h
-
-$(PROJECT_INCLUDE)/rtems/score/nios2-utility.h: rtems/score/nios2-utility.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/nios2-utility.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/nios2-utility.h
-
-$(PROJECT_INCLUDE)/rtems/score/nios2-count-zeros.h: rtems/score/nios2-count-zeros.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/nios2-count-zeros.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/nios2-count-zeros.h
-
-$(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/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
-