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.

7 files changed, 6 insertions, 220 deletions

diff --git a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am
index b4ba01be96..3ea41e411a 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/Makefile.am
+++ b/c/src/lib/libbsp/mips/rbtx4925/Makefile.am
@@ -4,20 +4,9 @@ EXTRA_DIST =
 include $(top_srcdir)/../../../../automake/compile.am
 include $(top_srcdir)/../../bsp.am
 
-include_bspdir = $(includedir)/bsp
+dist_project_lib_DATA = startup/bsp_specs
 
-dist_project_lib_DATA = bsp_specs
-
-include_HEADERS = include/bsp.h
-include_HEADERS += include/tm27.h
-include_bsp_HEADERS = ../shared/liblnk/regs.h
 #isr
-include_bsp_HEADERS += ../../shared/include/irq-generic.h
-include_bsp_HEADERS += ../../shared/include/irq-info.h
-include_bsp_HEADERS += include/irq.h
-
-nodist_include_HEADERS = include/bspopts.h
-nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
 DISTCLEANFILES = include/bspopts.h
 
 noinst_PROGRAMS =
@@ -28,7 +17,7 @@ start.$(OBJEXT): start/start.S
 	$(CPPASCOMPILE) -o $@ -c $<
 project_lib_DATA = start.$(OBJEXT)
 
-dist_project_lib_DATA += startup/linkcmds
+project_lib_DATA += linkcmds
 
 noinst_LIBRARIES = libbsp.a
 libbsp_a_SOURCES =
@@ -70,5 +59,5 @@ libbsp_a_LIBADD  = ../../../libcpu/@RTEMS_CPU@/shared/cache.rel
 libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/shared/interrupts.rel
 libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/tx49/timer.rel
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/mips/rbtx4925/headers.am
diff --git a/c/src/lib/libbsp/mips/rbtx4925/configure.ac b/c/src/lib/libbsp/mips/rbtx4925/configure.ac
index fe8eaacd43..b99751d8f4 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/configure.ac
+++ b/c/src/lib/libbsp/mips/rbtx4925/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-rbtx4925],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/rbtx4925.cfg])
 RTEMS_TOP(../../../../../..)
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
+RTEMS_BSP_LINKCMDS
 
 RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.12.2])
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/bsp.h b/c/src/lib/libbsp/mips/rbtx4925/include/bsp.h
deleted file mode 100644
index ef5d6ef07f..0000000000
--- a/c/src/lib/libbsp/mips/rbtx4925/include/bsp.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- *  @file
- *  
- *  This include file contains some definitions specific to the RBTX4925.
- */
-
-/*
- *  COPYRIGHT (c) 1989-2012.
- *  On-Line Applications Research Corporation (OAR).
- *
- *  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 LIBBSP_MIPS_RBTX4925_BSP_H
-#define LIBBSP_MIPS_RBTX4925_BSP_H
-
-#ifndef ASM
-
-#include <bspopts.h>
-#include <bsp/default-initial-extension.h>
-
-#include <rtems.h>
-#include <libcpu/tx4925.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define BSP_FEATURE_IRQ_EXTENSION
-#define BSP_SHARED_HANDLER_SUPPORT      1
-
-/*
- * Prototypes for methods called from .S for dependency tracking
- */
-void init_tlb(void);
-void resettlb(int i);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !ASM */
-
-#endif
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/irq.h b/c/src/lib/libbsp/mips/rbtx4925/include/irq.h
deleted file mode 100644
index d3987b2d39..0000000000
--- a/c/src/lib/libbsp/mips/rbtx4925/include/irq.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/**
- * @file
- *
- * @ingroup bsp_interrupt
- *
- * @brief interrupt definitions.
- */
-
-/*
- *  COPYRIGHT (c) 1989-2012.
- *  On-Line Applications Research Corporation (OAR).
- *
- *  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 LIBBSP_MIPS_TX4925_IRQ_H
-#define LIBBSP_MIPS_TX4925_IRQ_H
-
-#ifndef ASM
-  #include <rtems.h>
-  #include <rtems/irq.h>
-  #include <rtems/irq-extension.h>
-  #include <rtems/score/mips.h>
-#endif
-
-/**
- * @addtogroup bsp_interrupt
- *
- * @{
- */
-
-/*
- *  Interrupt Vector Numbers
- *
- */
-#define BSP_INTERRUPT_VECTOR_MIN   0
-#define TX4925_IRQ_RSV1        MIPS_INTERRUPT_BASE+0
-#define TX4925_IRQ_WTE         MIPS_INTERRUPT_BASE+1
-#define TX4925_IRQ_INT0        MIPS_INTERRUPT_BASE+2
-#define TX4925_IRQ_INT1        MIPS_INTERRUPT_BASE+3
-#define TX4925_IRQ_INT2        MIPS_INTERRUPT_BASE+4
-#define TX4925_IRQ_INT3        MIPS_INTERRUPT_BASE+5
-#define TX4925_IRQ_INT4        MIPS_INTERRUPT_BASE+6
-#define TX4925_IRQ_INT5        MIPS_INTERRUPT_BASE+7
-#define TX4925_IRQ_INT6        MIPS_INTERRUPT_BASE+8
-#define TX4925_IRQ_INT7        MIPS_INTERRUPT_BASE+9
-#define TX4925_IRQ_RSV2        MIPS_INTERRUPT_BASE+10
-#define TX4925_IRQ_NAND        MIPS_INTERRUPT_BASE+11
-#define TX4925_IRQ_SIO0        MIPS_INTERRUPT_BASE+12
-#define TX4925_IRQ_SIO1        MIPS_INTERRUPT_BASE+13
-#define TX4925_IRQ_DMAC0       MIPS_INTERRUPT_BASE+14
-#define TX4925_IRQ_DMAC1       MIPS_INTERRUPT_BASE+15
-#define TX4925_IRQ_DMAC2       MIPS_INTERRUPT_BASE+16
-#define TX4925_IRQ_DMAC3       MIPS_INTERRUPT_BASE+17
-#define TX4925_IRQ_IRC         MIPS_INTERRUPT_BASE+18
-#define TX4925_IRQ_PDMAC       MIPS_INTERRUPT_BASE+19
-#define TX4925_IRQ_PCIC        MIPS_INTERRUPT_BASE+20
-#define TX4925_IRQ_TMR0        MIPS_INTERRUPT_BASE+21
-#define TX4925_IRQ_TMR1        MIPS_INTERRUPT_BASE+22
-#define TX4925_IRQ_TMR2        MIPS_INTERRUPT_BASE+23
-#define TX4925_IRQ_SPI         MIPS_INTERRUPT_BASE+24
-#define TX4925_IRQ_RTC         MIPS_INTERRUPT_BASE+25
-#define TX4925_IRQ_ACLC        MIPS_INTERRUPT_BASE+26
-#define TX4925_IRQ_ACLCPME     MIPS_INTERRUPT_BASE+27
-#define TX4925_IRQ_CHI         MIPS_INTERRUPT_BASE+28
-#define TX4925_IRQ_PCIERR      MIPS_INTERRUPT_BASE+29
-#define TX4925_IRQ_PCIPME      MIPS_INTERRUPT_BASE+30
-#define TX4925_IRQ_RSV3        MIPS_INTERRUPT_BASE+31
-
-#define TX4925_IRQ_SOFTWARE_1  MIPS_INTERRUPT_BASE+32
-#define TX4925_IRQ_SOFTWARE_2  MIPS_INTERRUPT_BASE+33
-#define TX4925_MAXIMUM_VECTORS MIPS_INTERRUPT_BASE+34
-
-#define BSP_INTERRUPT_VECTOR_MAX TX4925_MAXIMUM_VECTORS
-
-/** @} */
-
-#endif /* LIBBSP_MIPS_ TX4925_IRQ_H */
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/tm27.h b/c/src/lib/libbsp/mips/rbtx4925/include/tm27.h
deleted file mode 100644
index 0dfa7bf628..0000000000
--- a/c/src/lib/libbsp/mips/rbtx4925/include/tm27.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <rtems/tm27-default.h>
diff --git a/c/src/lib/libbsp/mips/rbtx4925/preinstall.am b/c/src/lib/libbsp/mips/rbtx4925/preinstall.am
deleted file mode 100644
index 5cb075cf07..0000000000
--- a/c/src/lib/libbsp/mips/rbtx4925/preinstall.am
+++ /dev/null
@@ -1,79 +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)
-
-all-local: $(TMPINSTALL_FILES)
-
-TMPINSTALL_FILES =
-CLEANFILES += $(TMPINSTALL_FILES)
-
-$(PROJECT_LIB)/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_LIB)
-	@: > $(PROJECT_LIB)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
-
-$(PROJECT_INCLUDE)/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)
-	@: > $(PROJECT_INCLUDE)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
-
-$(PROJECT_INCLUDE)/bsp/$(dirstamp):
-	@$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
-	@: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-
-$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
-PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
-
-$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
-
-$(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
-
-$(PROJECT_INCLUDE)/bsp/regs.h: ../shared/liblnk/regs.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/regs.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/regs.h
-
-$(PROJECT_INCLUDE)/bsp/irq-generic.h: ../../shared/include/irq-generic.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-generic.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-generic.h
-
-$(PROJECT_INCLUDE)/bsp/irq-info.h: ../../shared/include/irq-info.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq-info.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq-info.h
-
-$(PROJECT_INCLUDE)/bsp/irq.h: include/irq.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/irq.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/irq.h
-
-$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
-
-$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
-
-$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
-TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
-
-$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
-PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds
-
diff --git a/c/src/lib/libbsp/mips/rbtx4925/bsp_specs b/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/bsp_specs
+++ b/c/src/lib/libbsp/mips/rbtx4925/startup/bsp_specs