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.

48 files changed, 39 insertions, 582 deletions

diff --git a/c/src/lib/libbsp/mips/csb350/include/bsp.h b/bsps/mips/csb350/include/bsp.h
index ed503a1faa..ed503a1faa 100644
--- a/c/src/lib/libbsp/mips/csb350/include/bsp.h
+++ b/bsps/mips/csb350/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/csb350/include/irq.h b/bsps/mips/csb350/include/bsp/irq.h
index 4f006fdd5f..4f006fdd5f 100644
--- a/c/src/lib/libbsp/mips/csb350/include/irq.h
+++ b/bsps/mips/csb350/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/csb350/include/tm27.h b/bsps/mips/csb350/include/tm27.h
index 3a8957d698..3a8957d698 100644
--- a/c/src/lib/libbsp/mips/csb350/include/tm27.h
+++ b/bsps/mips/csb350/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/hurricane/include/bsp.h b/bsps/mips/hurricane/include/bsp.h
index 1c9dc652f0..1c9dc652f0 100644
--- a/c/src/lib/libbsp/mips/hurricane/include/bsp.h
+++ b/bsps/mips/hurricane/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/hurricane/include/irq.h b/bsps/mips/hurricane/include/bsp/irq.h
index 3347ecb2a6..3347ecb2a6 100644
--- a/c/src/lib/libbsp/mips/hurricane/include/irq.h
+++ b/bsps/mips/hurricane/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/hurricane/include/tm27.h b/bsps/mips/hurricane/include/tm27.h
index 0dfa7bf628..0dfa7bf628 100644
--- a/c/src/lib/libbsp/mips/hurricane/include/tm27.h
+++ b/bsps/mips/hurricane/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/hurricane/include/usc.h b/bsps/mips/hurricane/include/usc.h
index 167eff0949..167eff0949 100644
--- a/c/src/lib/libbsp/mips/hurricane/include/usc.h
+++ b/bsps/mips/hurricane/include/usc.h
diff --git a/c/src/lib/libbsp/mips/shared/irq/i8259.h b/bsps/mips/include/bsp/i8259.h
index 8d10523b40..8d10523b40 100644
--- a/c/src/lib/libbsp/mips/shared/irq/i8259.h
+++ b/bsps/mips/include/bsp/i8259.h
diff --git a/c/src/lib/libbsp/mips/shared/liblnk/regs.h b/bsps/mips/include/bsp/regs.h
index 5cc9fac745..5cc9fac745 100644
--- a/c/src/lib/libbsp/mips/shared/liblnk/regs.h
+++ b/bsps/mips/include/bsp/regs.h
diff --git a/c/src/lib/libbsp/mips/jmr3904/include/bsp.h b/bsps/mips/jmr3904/include/bsp.h
index 52696b3987..52696b3987 100644
--- a/c/src/lib/libbsp/mips/jmr3904/include/bsp.h
+++ b/bsps/mips/jmr3904/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/jmr3904/include/irq.h b/bsps/mips/jmr3904/include/bsp/irq.h
index cdb50e244e..cdb50e244e 100644
--- a/c/src/lib/libbsp/mips/jmr3904/include/irq.h
+++ b/bsps/mips/jmr3904/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/jmr3904/include/tm27.h b/bsps/mips/jmr3904/include/tm27.h
index f73ccdea40..f73ccdea40 100644
--- a/c/src/lib/libbsp/mips/jmr3904/include/tm27.h
+++ b/bsps/mips/jmr3904/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/malta/include/bsp.h b/bsps/mips/malta/include/bsp.h
index c1169cd0a4..c1169cd0a4 100644
--- a/c/src/lib/libbsp/mips/malta/include/bsp.h
+++ b/bsps/mips/malta/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/malta/include/irq.h b/bsps/mips/malta/include/bsp/irq.h
index 3ca6f964a9..3ca6f964a9 100644
--- a/c/src/lib/libbsp/mips/malta/include/irq.h
+++ b/bsps/mips/malta/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/malta/include/pci.h b/bsps/mips/malta/include/bsp/pci.h
index c5944da548..c5944da548 100644
--- a/c/src/lib/libbsp/mips/malta/include/pci.h
+++ b/bsps/mips/malta/include/bsp/pci.h
diff --git a/c/src/lib/libbsp/mips/malta/include/tm27.h b/bsps/mips/malta/include/tm27.h
index 0dfa7bf628..0dfa7bf628 100644
--- a/c/src/lib/libbsp/mips/malta/include/tm27.h
+++ b/bsps/mips/malta/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/bsp.h b/bsps/mips/rbtx4925/include/bsp.h
index ef5d6ef07f..ef5d6ef07f 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/include/bsp.h
+++ b/bsps/mips/rbtx4925/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/irq.h b/bsps/mips/rbtx4925/include/bsp/irq.h
index d3987b2d39..d3987b2d39 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/include/irq.h
+++ b/bsps/mips/rbtx4925/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/rbtx4925/include/tm27.h b/bsps/mips/rbtx4925/include/tm27.h
index 0dfa7bf628..0dfa7bf628 100644
--- a/c/src/lib/libbsp/mips/rbtx4925/include/tm27.h
+++ b/bsps/mips/rbtx4925/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/rbtx4938/include/bsp.h b/bsps/mips/rbtx4938/include/bsp.h
index b57a60f2df..b57a60f2df 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/include/bsp.h
+++ b/bsps/mips/rbtx4938/include/bsp.h
diff --git a/c/src/lib/libbsp/mips/rbtx4938/include/irq.h b/bsps/mips/rbtx4938/include/bsp/irq.h
index bb18dcf86d..bb18dcf86d 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/include/irq.h
+++ b/bsps/mips/rbtx4938/include/bsp/irq.h
diff --git a/c/src/lib/libbsp/mips/rbtx4938/include/tm27.h b/bsps/mips/rbtx4938/include/tm27.h
index 0dfa7bf628..0dfa7bf628 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/include/tm27.h
+++ b/bsps/mips/rbtx4938/include/tm27.h
diff --git a/c/src/lib/libbsp/mips/Makefile.am b/c/src/lib/libbsp/mips/Makefile.am
index 526453030c..6d42748b21 100644
--- a/c/src/lib/libbsp/mips/Makefile.am
+++ b/c/src/lib/libbsp/mips/Makefile.am
@@ -5,3 +5,4 @@ _SUBDIRS = @RTEMS_BSP_FAMILY@
 
 include $(top_srcdir)/../../../automake/subdirs.am
 include $(top_srcdir)/../../../automake/local.am
+include $(srcdir)/../../../../../bsps/mips/headers.am
diff --git a/c/src/lib/libbsp/mips/configure.ac b/c/src/lib/libbsp/mips/configure.ac
index 81973700ae..288be9e96e 100644
--- a/c/src/lib/libbsp/mips/configure.ac
+++ b/c/src/lib/libbsp/mips/configure.ac
@@ -4,6 +4,8 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([csb350])
 RTEMS_TOP(../../../../..)
+RTEMS_SOURCE_TOP
+RTEMS_BUILD_TOP
 
 RTEMS_CANONICAL_TARGET_CPU
 AM_INIT_AUTOMAKE([no-define foreign 1.12.2])
diff --git a/c/src/lib/libbsp/mips/csb350/Makefile.am b/c/src/lib/libbsp/mips/csb350/Makefile.am
index 33ec193629..fba96dc185 100644
--- a/c/src/lib/libbsp/mips/csb350/Makefile.am
+++ b/c/src/lib/libbsp/mips/csb350/Makefile.am
@@ -4,21 +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
-nodist_include_bsp_HEADERS += ../../shared/include/console-polled.h
 DISTCLEANFILES = include/bspopts.h
 
 noinst_PROGRAMS =
@@ -28,7 +16,7 @@ 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 =
@@ -76,5 +64,5 @@ if HAS_NETWORKING
 libbsp_a_LIBADD += network.rel
 endif
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/mips/csb350/headers.am
diff --git a/c/src/lib/libbsp/mips/csb350/configure.ac b/c/src/lib/libbsp/mips/csb350/configure.ac
index ba49c66884..ca7f3dc11d 100644
--- a/c/src/lib/libbsp/mips/csb350/configure.ac
+++ b/c/src/lib/libbsp/mips/csb350/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-csb350],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/csb350.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/csb350/preinstall.am b/c/src/lib/libbsp/mips/csb350/preinstall.am
deleted file mode 100644
index 71be6d1258..0000000000
--- a/c/src/lib/libbsp/mips/csb350/preinstall.am
+++ /dev/null
@@ -1,83 +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_INCLUDE)/bsp/console-polled.h: ../../shared/include/console-polled.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/console-polled.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/console-polled.h
-
-$(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/csb350/bsp_specs b/c/src/lib/libbsp/mips/csb350/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/csb350/bsp_specs
+++ b/c/src/lib/libbsp/mips/csb350/startup/bsp_specs
diff --git a/c/src/lib/libbsp/mips/hurricane/Makefile.am b/c/src/lib/libbsp/mips/hurricane/Makefile.am
index c675d9f038..a634a84582 100644
--- a/c/src/lib/libbsp/mips/hurricane/Makefile.am
+++ b/c/src/lib/libbsp/mips/hurricane/Makefile.am
@@ -4,21 +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_HEADERS += include/usc.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
 
 
@@ -27,7 +15,7 @@ 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 =
@@ -71,5 +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@/rm52xx/timer.rel
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/mips/hurricane/headers.am
diff --git a/c/src/lib/libbsp/mips/hurricane/configure.ac b/c/src/lib/libbsp/mips/hurricane/configure.ac
index e66e8d2794..99d16d95b8 100644
--- a/c/src/lib/libbsp/mips/hurricane/configure.ac
+++ b/c/src/lib/libbsp/mips/hurricane/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-hurricane],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/hurricane.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/hurricane/preinstall.am b/c/src/lib/libbsp/mips/hurricane/preinstall.am
deleted file mode 100644
index 8ad1e3f332..0000000000
--- a/c/src/lib/libbsp/mips/hurricane/preinstall.am
+++ /dev/null
@@ -1,83 +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)/usc.h: include/usc.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/usc.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/usc.h
-
-$(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/hurricane/bsp_specs b/c/src/lib/libbsp/mips/hurricane/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/hurricane/bsp_specs
+++ b/c/src/lib/libbsp/mips/hurricane/startup/bsp_specs
diff --git a/c/src/lib/libbsp/mips/jmr3904/Makefile.am b/c/src/lib/libbsp/mips/jmr3904/Makefile.am
index 6e5154d5b8..5d599cf64f 100644
--- a/c/src/lib/libbsp/mips/jmr3904/Makefile.am
+++ b/c/src/lib/libbsp/mips/jmr3904/Makefile.am
@@ -4,21 +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
-nodist_include_bsp_HEADERS += ../../shared/include/console-polled.h
 DISTCLEANFILES = include/bspopts.h
 
 
@@ -27,7 +15,7 @@ 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 =
@@ -62,5 +50,5 @@ libbsp_a_SOURCES += ../shared/irq/interruptmask.c
 libbsp_a_LIBADD  = ../../../libcpu/@RTEMS_CPU@/shared/cache.rel
 libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/shared/interrupts.rel
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/mips/jmr3904/headers.am
diff --git a/c/src/lib/libbsp/mips/jmr3904/configure.ac b/c/src/lib/libbsp/mips/jmr3904/configure.ac
index edd2420d4a..7fc9bbd0cd 100644
--- a/c/src/lib/libbsp/mips/jmr3904/configure.ac
+++ b/c/src/lib/libbsp/mips/jmr3904/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-jmr3904],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/jmr3904.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/jmr3904/preinstall.am b/c/src/lib/libbsp/mips/jmr3904/preinstall.am
deleted file mode 100644
index 71be6d1258..0000000000
--- a/c/src/lib/libbsp/mips/jmr3904/preinstall.am
+++ /dev/null
@@ -1,83 +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_INCLUDE)/bsp/console-polled.h: ../../shared/include/console-polled.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/console-polled.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/console-polled.h
-
-$(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/jmr3904/bsp_specs b/c/src/lib/libbsp/mips/jmr3904/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/jmr3904/bsp_specs
+++ b/c/src/lib/libbsp/mips/jmr3904/startup/bsp_specs
diff --git a/c/src/lib/libbsp/mips/malta/Makefile.am b/c/src/lib/libbsp/mips/malta/Makefile.am
index b73ce85d1c..38b902cd0a 100644
--- a/c/src/lib/libbsp/mips/malta/Makefile.am
+++ b/c/src/lib/libbsp/mips/malta/Makefile.am
@@ -7,23 +7,11 @@ 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
 #pci
-include_bsp_HEADERS += include/pci.h
 #irq
-include_bsp_HEADERS += ../shared/irq/i8259.h
-nodist_include_HEADERS = include/bspopts.h
-nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
 DISTCLEANFILES = include/bspopts.h
 
 
@@ -32,7 +20,7 @@ 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 =
@@ -85,5 +73,5 @@ libbsp_a_SOURCES += irq/vectorisrs.c
 libbsp_a_SOURCES += irq/interruptmask.c
 libbsp_a_SOURCES += ../shared/irq/i8259.c
 
-include $(srcdir)/preinstall.am
 include $(top_srcdir)/../../../../automake/local.am
+include $(srcdir)/../../../../../../bsps/mips/malta/headers.am
diff --git a/c/src/lib/libbsp/mips/malta/configure.ac b/c/src/lib/libbsp/mips/malta/configure.ac
index 248734f85b..6633da14fe 100644
--- a/c/src/lib/libbsp/mips/malta/configure.ac
+++ b/c/src/lib/libbsp/mips/malta/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-malta],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/malta.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/malta/preinstall.am b/c/src/lib/libbsp/mips/malta/preinstall.am
deleted file mode 100644
index e725a6b4b8..0000000000
--- a/c/src/lib/libbsp/mips/malta/preinstall.am
+++ /dev/null
@@ -1,87 +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)/bsp/pci.h: include/pci.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/pci.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/pci.h
-
-$(PROJECT_INCLUDE)/bsp/i8259.h: ../shared/irq/i8259.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/i8259.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/i8259.h
-
-$(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/malta/bsp_specs b/c/src/lib/libbsp/mips/malta/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/malta/bsp_specs
+++ b/c/src/lib/libbsp/mips/malta/startup/bsp_specs
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/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
diff --git a/c/src/lib/libbsp/mips/rbtx4938/Makefile.am b/c/src/lib/libbsp/mips/rbtx4938/Makefile.am
index b4ba01be96..3a8443a2ea 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/Makefile.am
+++ b/c/src/lib/libbsp/mips/rbtx4938/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/rbtx4938/headers.am
diff --git a/c/src/lib/libbsp/mips/rbtx4938/configure.ac b/c/src/lib/libbsp/mips/rbtx4938/configure.ac
index 9d3ce56fa5..e48c697695 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/configure.ac
+++ b/c/src/lib/libbsp/mips/rbtx4938/configure.ac
@@ -4,6 +4,9 @@ AC_PREREQ([2.69])
 AC_INIT([rtems-c-src-lib-libbsp-mips-rbtx4938],[_RTEMS_VERSION],[https://devel.rtems.org/newticket])
 AC_CONFIG_SRCDIR([make/custom/rbtx4938.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/rbtx4938/preinstall.am b/c/src/lib/libbsp/mips/rbtx4938/preinstall.am
deleted file mode 100644
index 5cb075cf07..0000000000
--- a/c/src/lib/libbsp/mips/rbtx4938/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/rbtx4938/bsp_specs b/c/src/lib/libbsp/mips/rbtx4938/startup/bsp_specs
index 87638cc027..87638cc027 100644
--- a/c/src/lib/libbsp/mips/rbtx4938/bsp_specs
+++ b/c/src/lib/libbsp/mips/rbtx4938/startup/bsp_specs