This set of changes is the build of what was required to convert to

GNU autoconf.  This is the first large step in allowing an RTEMS
user to perform a one-tree build (per crossgcc FAQ) including RTEMS
in the build process.  With this change RTEMS is configured in
built in the same style as the GNU tools, yet retains the basic
structure of its traditional Makefiles (ala Tony Bennett).
Jiri Gaisler (jgais@wd.estec.esa.nl) deserves (and received)
a big thank you for doing this.

There are still issues to be resolved but as of this commit, all target
which can be built on a linux host have been using a modified version
of the source Jiri submitted.  This source was merged and most targets
built in the tree before this commit.

There are some issues which remain to be resolved but they are primarily
related to host OS dependencies, script issues, the use of gawk
for hack_specs, and the dependence on gcc snapshots.  These will
be resolved.

c/src/lib/libbsp/unix/Makefile.in

@@ -0,0 +1,14 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/directory.cfg
+
+# Descend into the $(RTEMS_BSP) directory if it exists
+SUB_DIRS=$(wildcard $(RTEMS_BSP))

c/src/lib/libbsp/unix/posix/Makefile.in

@@ -0,0 +1,25 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/directory.cfg
+
+SRCS=README
+
+# MP_PARTS are the pieces of the BSP required in a MP environment
+# We only build them if HAS_MP was defined
+ 
+MP_PARTS_yes_V = shmsupp
+MP_PARTS = $(MP_PARTS_$(HAS_MP)_V)
+
+all: $(SRCS)
+
+# wrapup is the one that actually builds and installs the library
+#  from the individual .rel files built in other directories
+SUB_DIRS=include startup clock console timer $(MP_PARTS) wrapup

c/src/lib/libbsp/unix/posix/clock/Makefile.in

@@ -0,0 +1,54 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+PGM=${ARCH}/clock.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=clock
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS += 
+CFLAGS   += $(CFLAGS_OS_V)
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by
+#    ../wrapup/Makefile
+install:  all

c/src/lib/libbsp/unix/posix/console/Makefile.in

@@ -0,0 +1,53 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+PGM=${ARCH}/console.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=console
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+install:  all

c/src/lib/libbsp/unix/posix/include/Makefile.in

@@ -0,0 +1,32 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+H_FILES = $(srcdir)/bsp.h $(srcdir)/coverhd.h
+
+#
+#  Equate files are for including from assembly preprocessed by
+#  gm4 or gasp.  No examples are provided except for those for
+#  other CPUs.  The best way to generate them would be to
+#  provide a program which generates the constants used based
+#  on the C equivalents.
+#
+
+EQ_FILES =
+
+SRCS=$(H_FILES) $(EQ_FILES)
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+all:	$(SRCS)
+	$(INSTALL) -m 444 $(H_FILES) ${PROJECT_RELEASE}/include
+	$(INSTALL) -m 444 $(EQ_FILES) ${PROJECT_RELEASE}/include

c/src/lib/libbsp/unix/posix/shmsupp/Makefile.in

@@ -0,0 +1,54 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+PGM=${ARCH}/shmsupp.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=addrconv getcfg intr lock mpisr
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+install:  all
+

c/src/lib/libbsp/unix/posix/startup/Makefile.in

@@ -0,0 +1,65 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+PGM=${ARCH}/startup.rel
+NO_CTOR_LIB=${ARCH}/libno-ctor.a
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=bspclean bspstart setvec
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+CC_PIECES=rtems-ctor
+CC_FILES=$(CC_PIECES:%=%.cc)
+CC_O_FILES=$(CC_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(CC_FILES) $(H_FILES) no-ctor.c
+OBJS=$(C_O_FILES)
+
+# We install the RTEMS constructor as a separate .o
+# so it can be easily place correctly by the compiler config file.
+INSTALLED_O_FILES=$(ARCH)/rtems-ctor.o
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+${NO_CTOR_LIB}: $(ARCH)/no-ctor.o
+	$(RM) $@
+	$(AR) -cvr $@ $(ARCH)/no-ctor.o
+
+all:	${ARCH} $(SRCS) $(INSTALLED_O_FILES) $(PGM) ${NO_CTOR_LIB}
+	$(INSTALL_VARIANT) $(INSTALLED_O_FILES) ${PROJECT_RELEASE}/lib
+	$(INSTALL_VARIANT) $(NO_CTOR_LIB) ${PROJECT_RELEASE}/lib

c/src/lib/libbsp/unix/posix/timer/Makefile.in

@@ -0,0 +1,54 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+PGM=${ARCH}/timer.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=timer
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS += 
+CFLAGS   += $(CFLAGS_OS_V)
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by
+#    ../wrapup/Makefile
+install:  all

c/src/lib/libbsp/unix/posix/tools/Makefile.in

@@ -0,0 +1,30 @@
+#
+# $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/leaf.cfg
+
+DESTDIR=$(PROJECT_RELEASE)/tests
+
+# We use the generic difftest
+PGMS=runtest looptest semdump shmdump
+
+INSTALLED=$(PGMS:%=$(DESTDIR)/%)
+
+all:	$(DESTDIR) $(PGMS) install
+
+install:  $(INSTALLED)
+
+# Install the program, replacing #!KSHELL with $(KSH)
+# and first line #!SHELL with $(SHELL)
+$(DESTDIR)/%: %
+	-$(RM) $@.old
+	-$(MV) $@ $@.old >/dev/null 2>&1
+	$(SED) -e '1,1s?^#!KSHELL?#!$(KSH)?' -e '1,1s?^#!SHELL?#!$(SHELL)?' < $< > $@
+	$(CHMOD) 0555 $@

c/src/lib/libbsp/unix/posix/wrapup/Makefile.in

@@ -0,0 +1,64 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH=@srcdir@
+
+# MP_XXX_PARTS are the pieces of the BSP required in a MP environment
+# We only build them if HAS_MP was defined
+ 
+MP_BSP_PARTS_yes_V = shmsupp
+MP_BSP_PARTS = $(MP_BSP_PARTS_$(HAS_MP)_V)
+
+MP_GENERIC_PARTS_yes_V = shmdr
+MP_GENERIC_PARTS = $(MP_GENERIC_PARTS_$(HAS_MP)_V)
+
+
+
+BSP_PIECES=startup clock console $(MP_BSP_PARTS) timer
+# pieces to pick up out of libcpu/unix
+CPU_PIECES=
+GENERIC_PIECES=$(MP_GENERIC_PARTS)
+
+# bummer; have to use $foreach since % pattern subst rules only replace 1x
+OBJS=$(foreach piece, $(BSP_PIECES), ../$(piece)/$(ARCH)/$(piece).rel) \
+     $(foreach piece, $(CPU_PIECES), \
+       ../../../../libcpu/$(RTEMS_CPU)/$(piece)/$(ARCH)/$(piece).rel) \
+     $(foreach piece, $(GENERIC_PIECES), \
+       ../../../$(piece)/$(ARCH)/$(piece).rel)
+LIB=$(ARCH)/libbsp.a
+
+include $(RTEMS_CUSTOM)
+include $(PROJECT_ROOT)/make/lib.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+$(LIB): ${OBJS}
+	$(make-library)
+
+all:	${ARCH} $(SRCS) $(LIB)
+	$(INSTALL_VARIANT) -m 644 $(LIB) ${PROJECT_RELEASE}/lib
+