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, 2 insertions, 159 deletions

diff --git a/c/src/lib/libcpu/i386/Makefile.am b/c/src/lib/libcpu/i386/Makefile.am
index c47b9dfc39..6f1e9fe3ec 100644
--- a/c/src/lib/libcpu/i386/Makefile.am
+++ b/c/src/lib/libcpu/i386/Makefile.am
@@ -4,11 +4,6 @@ noinst_PROGRAMS =
 
 include $(top_srcdir)/../../../automake/compile.am
 
-include_libcpudir = $(includedir)/libcpu
-
-include_libcpu_HEADERS = page.h cpuModel.h
-include_libcpu_HEADERS += byteorder.h
-
 noinst_PROGRAMS += cache.rel
 cache_rel_SOURCES = cache.c cache_.h \
     ../shared/src/cache_manager.c ../shared/include/cache.h
@@ -25,5 +20,4 @@ page_rel_SOURCES = page.c page.h
 page_rel_CPPFLAGS = $(AM_CPPFLAGS)
 page_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../automake/local.am
diff --git a/c/src/lib/libcpu/i386/byteorder.h b/c/src/lib/libcpu/i386/byteorder.h
deleted file mode 100644
index 939e51fe84..0000000000
--- a/c/src/lib/libcpu/i386/byteorder.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- *  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 _LIBCPU_BYTEORDER_H
-#define _LIBCPU_BYTEORDER_H
-
-static inline void st_le32(volatile uint32_t   *addr, uint32_t   value)
-{
-  *(addr)=value ;
-}
-
-static inline uint32_t   ld_le32(volatile uint32_t   *addr)
-{
-  return(*addr);
-}
-
-static inline void st_le16(volatile uint16_t   *addr, uint16_t   value)
-{
-  *(addr)=value ;
-}
-
-static inline uint16_t   ld_le16(volatile uint16_t   *addr)
-{
-  return(*addr);
-}
-
-
-#endif
diff --git a/c/src/lib/libcpu/i386/configure.ac b/c/src/lib/libcpu/i386/configure.ac
index e03af4824a..3f0f59543a 100644
--- a/c/src/lib/libcpu/i386/configure.ac
+++ b/c/src/lib/libcpu/i386/configure.ac
@@ -4,6 +4,8 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libcpu-i386],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([idtr.S])
 RTEMS_TOP([../../../../..],[../../..])
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
 
 RTEMS_CANONICAL_TARGET_CPU
 
diff --git a/c/src/lib/libcpu/i386/cpuModel.h b/c/src/lib/libcpu/i386/cpuModel.h
deleted file mode 100644
index d17839b7ea..0000000000
--- a/c/src/lib/libcpu/i386/cpuModel.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- *  This file contains declaration for variables and code
- *  that may be used to get the Intel Cpu identification
- *  that has been performed by checkCPUtypeSetCr0 function.
- */
-
-/*
- *  COPYRIGHT (c) 1998 valette@crf.canon.fr
- *
- *  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 libcpu_cpuModel_h
-#define libcpu_cpuModel_h
-
-/*
- * Tell us the machine setup..
- */
-
-extern char hard_math;	/* floating point coprocessor present indicator */
-extern char x86;	/* type of cpu (3 = 386, 4 =486, ...) */
-extern char x86_model;
-extern char x86_mask;
-extern int x86_capability;       /* cpuid:EDX */
-extern int x86_capability_x;     /* cpuid:ECX */
-extern int x86_capability_ebx;   /* cpuid:EBX */
-extern int x86_capability_cores; /* cpuid.(EAX=4, ECX=0) - physical cores */
-extern char x86_vendor_id[13];
-extern int have_cpuid;
-extern unsigned char Cx86_step; /* cyrix processor identification */
-
-/* Display this information on console in ascii form */
-extern void printCpuInfo(void);
-
-/* determine if the CPU has a TSC */
-#define x86_has_tsc() \
-  (x86_capability & (1 << 4))
-
-static inline unsigned long long
-rdtsc(void)
-{
-  /* Return the value of the on-chip cycle counter. */
-  unsigned long long result;
-  __asm__ volatile(".byte 0x0F, 0x31" : "=A" (result));
-  return result;
-} /* rdtsc */
-
-
-#endif
diff --git a/c/src/lib/libcpu/i386/page.h b/c/src/lib/libcpu/i386/page.h
deleted file mode 100644
index 5e9cec2227..0000000000
--- a/c/src/lib/libcpu/i386/page.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * @file page.h
- *
- * Copyright (C) 1998  Eric Valette (valette@crf.canon.fr)
- *                     Canon Centre Recherche France.
- *
- *  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 _LIBCPU_i386_PAGE_H
-#define _LIBCPU_i386_PAGE_H
-
-#ifndef ASM
-
-#include <rtems/score/cpu.h>
-
-/* C declaration for paging management */
-
-extern int  	_CPU_is_cache_enabled(void);
-extern int  	_CPU_is_paging_enabled(void);
-extern int 	init_paging(void);
-extern void 	_CPU_enable_paging(void);
-extern void 	_CPU_disable_paging(void);
-extern void 	_CPU_disable_cache(void);
-extern void 	_CPU_enable_cache(void);
-extern int 	_CPU_map_phys_address
-                      (void **mappedAddress, void *physAddress,
-		       int size, int flag);
-extern int 	_CPU_unmap_virt_address (void *mappedAddress, int size);
-extern int 	_CPU_change_memory_mapping_attribute
-                         (void **newAddress, void *mappedAddress,
-			  unsigned int size, unsigned int flag);
-extern int  	_CPU_display_memory_attribute(void);
-
-# endif /* ASM */
-
-#endif
diff --git a/c/src/lib/libcpu/i386/preinstall.am b/c/src/lib/libcpu/i386/preinstall.am
deleted file mode 100644
index 1e6c1dfdba..0000000000
--- a/c/src/lib/libcpu/i386/preinstall.am
+++ /dev/null
@@ -1,32 +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)/libcpu/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)/libcpu
-	@: > $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
-
-$(PROJECT_INCLUDE)/libcpu/page.h: page.h $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/page.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/page.h
-
-$(PROJECT_INCLUDE)/libcpu/cpuModel.h: cpuModel.h $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/cpuModel.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/cpuModel.h
-
-$(PROJECT_INCLUDE)/libcpu/byteorder.h: byteorder.h $(PROJECT_INCLUDE)/libcpu/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/libcpu/byteorder.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/libcpu/byteorder.h
-