libgloss: merge sparc into top-level Makefile

Avoid a recursive make to speed things up a bit.
A sparc-elf build shows installed objects & libs produce same code.

3 files changed, 146 insertions, 290 deletions

diff --git a/libgloss/sparc/Makefile.in b/libgloss/sparc/Makefile.in
deleted file mode 100644
index eac5a1c27..000000000
--- a/libgloss/sparc/Makefile.in
+++ /dev/null
@@ -1,289 +0,0 @@
-# Copyright (c) 1995, 1996, 1997 Cygnus Support
-#
-# The authors hereby grant permission to use, copy, modify, distribute,
-# and license this software and its documentation for any purpose, provided
-# that existing copyright notices are retained in all copies and that this
-# notice is included verbatim in any distributions. No written agreement,
-# license, or royalty fee is required for any of the authorized uses.
-# Modifications to this software may be copyrighted by their authors
-# and need not follow the licensing terms described here, provided that
-# the new terms are clearly indicated on the first page of each file where
-# they apply.
-
-# Makefile for libgloss/sparc. This is the board support
-# code for the various sparc targets.
-
-DESTDIR =
-VPATH = @srcdir@
-srcdir = @srcdir@
-objdir = .
-srcroot = $(srcdir)/../..
-objroot = $(objdir)/../..
-
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-
-host_alias = @host_alias@
-target_alias = @target_alias@
-
-bindir = @bindir@
-libdir = @libdir@
-tooldir = $(exec_prefix)/$(target_alias)
-
-# Multilib support variables.
-# TOP is used instead of MULTI{BUILD,SRC}TOP.
-MULTIDIRS =
-MULTISUBDIR =
-MULTIDO = true
-MULTICLEAN = true
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_DATA = @INSTALL_DATA@
-
-SHELL = /bin/sh
-
-mkinstalldirs = $(SHELL) $(srcroot)/mkinstalldirs
-
-CC = @CC@
-
-AS = @AS@
-AR = @AR@
-LD = @LD@
-RANLIB = @RANLIB@
-AR_FLAGS = qrv
-
-OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
-	then echo ${objroot}/../binutils/objdump ; \
-	else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
-OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
-	then echo ${objroot}/../binutils/objcopy ; \
-	else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
-
-CYGMON_CRT0 = cygmon-crt0.o
-CYGMON_BSP = libcygmon.a
-CYGMON_OBJS = cygmon-salib.o
-
-701_CRT0 = crt0-701.o
-701_BSP = libsplet701.a
-701_OBJS = sysc-701.o salib-701.o sparclet-stub.o
-
-930_BSP = libslite930.a
-931_BSP = libslite931.a
-934_BSP = libslite934.a
-86X_BSP = libslite86x.a
-
-# for the time being, built the stub without hardware breakpoint support
-SLITE_OBJS = salib.o sparcl-stub.o cache.o
-
-# ERC32: SIS simulator, see sim/erc32.
-ERC32_CRT0 = erc32-crt0.o
-ERC32_BSP = liberc32.a
-ERC32_OBJS = erc32-io.o traps.o erc32-stub.o debug.o fixctors.o
-ERC32_ALL = $(ERC32_CRT0) $(ERC32_BSP)
-
-CRT0 = crt0.o
-OBJS = close.o fstat.o getpid.o isatty.o kill.o \
-	lseek.o open.o print.o putnum.o read.o sbrk.o stat.o \
-	unlink.o write.o
-
-# This is set to one of SPARC, SLITE, or SPLET by configure.
-# It's not clear what to do here.
-# One could certainly build everything.  The assembler supports all cpu
-# variants (via runtime switches).  However, the compiler [currently] doesn't.
-# Of course, it may be the case that there isn't any cpu specific code in
-# C source files, but there might be in the future.
-CPU = @SPARC_CPU@
-
-# sparc stuff (not sparclite or sparclet)
-SPARC_ALL = $(CYGMON_BSP) $(CYGMON_CRT0) $(objdir)/cygmon.ld
-SPARC_INSTALL = sparc-install
-SPARC_OBJ_FORMAT = sparc
-SPARC_RAM_START = 0x4000
-
-# sparc 64 stuff
-SPARC64_ALL = $(CYGMON_BSP) $(CYGMON_CRT0) $(objdir)/cygmon.ld
-SPARC64_INSTALL = sparc-install
-SPARC64_OBJ_FORMAT = sparc:v9
-SPARC64_RAM_START = 0x4000
-
-# sparclite stuff
-SLITE_ALL = $(930_BSP) $(931_BSP) $(CYGMON_BSP) $(CYGMON_CRT0) $(objdir)/cygmon.ld $(934_BSP) $(86X_BSP)
-SLITE_INSTALL = slite-install
-SLITE_OBJ_FORMAT = sparc
-SLITE_RAM_START = 0x40050000
-
-# sparclet stuff
-SPLET_ALL = $(701_CRT0) $(701_BSP)
-SPLET_INSTALL = splet-install
-
-#### Host specific Makefile fragment comes in here.
-@host_makefile_frag@
-
-all: ${CRT0} $($(CPU)_ALL) $(ERC32_ALL)
-
-$(CYGMON_CRT0): cygmon-crt0.S
-	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -DTARGET_CPU_$(CPU) $(INCLUDES) -o $@ -c $(srcdir)/cygmon-crt0.S
-
-$(CYGMON_BSP): $(CYGMON_OBJS)
-	@rm -f $@
-	${AR} ${AR_FLAGS} $@ $(CYGMON_OBJS)
-	${RANLIB} $@
-
-#$(STUBLIBS): $(OBJS) $(SLITE_OBJS) $(CRT0)
-#	${CC} -nostdlib -r $(SLITE_OBJS) $(SHARED_OBJS) -o $(930_BSP)
-#	${CC} -DSL931 -nostdlib -r $(SLITE_OBJS) $(SHARED_OBJS) -o $(931_BSP)
-#	${CC} -nostdlib -r $(SLITE_OBJS) $(SHARED_OBJS) -o $(934_BSP)
-
-$(CRT0): $(srcdir)/crt0.S $(srcdir)/asm.h $(srcdir)/slite.h
-	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -o $@ -c $(srcdir)/crt0.S
-
-$(930_BSP) $(931_BSP) $(934_BSP) $(86X_BSP): $(OBJS) $(SLITE_OBJS) 
-	@rm -f $@
-	${AR} ${AR_FLAGS} $@ $(OBJS) $(SLITE_OBJS)
-	${RANLIB} $@
-
-$(701_BSP): $(701_OBJS)
-	@rm -f $@
-	${AR} ${AR_FLAGS} $@ $(701_OBJS)
-	${RANLIB} $@
-
-erc32-crt0.o: $(srcdir)/erc32-crt0.S $(srcdir)/asm.h $(srcdir)/slite.h
-	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -o $@ -c $(srcdir)/erc32-crt0.S
-
-liberc32.a: $(OBJS) $(ERC32_OBJS)
-	@rm -f $@
-	${AR} ${AR_FLAGS} $@ $(OBJS) $(ERC32_OBJS)
-	${RANLIB} $@
-
-crt0-701.o: crt0-701.S
-sysc-701.o: sysc-701.c
-salib-701.o: salib-701.c
-sparclet-stub.o: sparclet-stub.c
-cygmon-salib.o: cygmon-salib.c
-	$(CC) -DTARGET_CPU_$(CPU) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -o $@ -c $(srcdir)/cygmon-salib.c
-cache.o: $(srcdir)/cache.c
-salib.o: $(srcdir)/salib.c
-win.o: $(srcdir)/win.S
-syscalls.o: $(srcdir)/syscalls.c
-sparcl-stub.o: $(srcdir)/sparcl-stub.c $(srcdir)/../debug.h $(srcdir)/../debug.c
-erc32-stub.o: $(srcdir)/erc32-stub.c $(srcdir)/../debug.h $(srcdir)/../debug.c
-fixctors.o : $(srcdir)/fixctors.c
-
-$(objdir)/cygmon.ld: $(srcdir)/@SPARC_CYGMONLDSCRIPTTEMPL@
-	sed 's/TARGET_OBJ_FORMAT/$($(CPU)_OBJ_FORMAT)/g;s/TARGET_RAM_START/$($(CPU)_RAM_START)/g;' < $(<) > $(objdir)/cygmon.ld
-
-install: $($(CPU)_INSTALL)
-	${mkinstalldirs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT0)
-	$(INSTALL_DATA) $(objdir)/traps.o $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(ERC32_CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(ERC32_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-
-sparc-install:
-	${mkinstalldirs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_OBJS) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(objdir)/cygmon.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-
-slite-install:
-	${mkinstalldirs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(930_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(930_BSP)
-	$(INSTALL_DATA) $(931_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(931_BSP)
-	$(INSTALL_DATA) $(934_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(934_BSP)
-	$(INSTALL_DATA) $(86X_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(86X_BSP)
-	$(INSTALL_DATA) $(srcdir)/ex930.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(srcdir)/ex931.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(srcdir)/ex934.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(srcdir)/sparc86x.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(srcdir)/elfsim.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_OBJS) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(objdir)/cygmon.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(CYGMON_CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-
-splet-install:
-	${mkinstalldirs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}
-	$(INSTALL_DATA) $(701_CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(701_CRT0)
-	$(INSTALL_DATA) $(701_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(701_BSP)
-	$(INSTALL_DATA) $(srcdir)/tsc701.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
-
-# Make a simple test case to test the linker script, startup code, and
-# I/O code
-#
-test: ex930-test.x ex931-test.x erc32-test.x
-	@echo Done...
-
-# compile a fully linked binary. The -N option is for a.out, so the
-# base address will be zero, rather than the default of 0x2020. The
-# -Wl,-T*.ld is for the linker script. By using -Wl, the linker script
-# is put on the proper place in the comand line for ld, and all the
-# symbols will get fully resolved.
-
-erc32-test.x: test.o ${ERC32_CRT0} ${srcdir}/erc32.ld Makefile ${ERC32_BSP}
-	${CC} -L${srcdir} -L${objdir} test.o -o $@ $(LDFLAGS_FOR_TARGET) \
-	-N -Wl,-Terc32.ld -Wl,-Map -Wl,erc32.map -nostdlib
-erc32-test.srec: erc32-test.x
-	$(OBJCOPY) -O srec erc32-test.x $@
-erc32-test.dis: erc32-test.x
-	@rm -fr erc32-test.dis
-	$(OBJDUMP) -d erc32-test.x > $@
-erc32-test: erc32-test.srec erc32-test.dis
-
-ex930-test.x: test.o ${CRT0} ${srcdir}/ex930.ld Makefile  ${930_BSP}
-	${CC} -L${srcdir} -L${objdir} test.o -o $@ $(LDFLAGS_FOR_TARGET) \
-	-N -Wl,-Tex930.ld -nostdlib
-ex930-test.srec: ex930-test.x
-	$(OBJCOPY) -O srec ex930-test.x $@
-ex930-test.dis: ex930-test.x
-	@rm -fr ex930-test.dis
-	$(OBJDUMP) -d ex930-test.x > $@
-ex930-test: ex930-test.srec ex930-test.dis
-
-ex931-test.x: test.o ${CRT0} ${srcdir}/ex931.ld Makefile  ${931_BSP}
-	${CC} -L${srcdir} -L${objdir} test.o -o $@ $(LDFLAGS_FOR_TARGET) \
-	-N -Wl,-Tex931.ld -nostdlib
-ex931-test.srec: ex931-test.x
-	$(OBJCOPY) -O srec ex931-test.x $@
-ex931-test.dis: ex931-test.x
-	@rm -fr ex931-test.dis
-	$(OBJDUMP) -d ex931-test.x > $@
-ex931-test: ex931-test.srec ex931-test.dis
-
-ex934-test.x: test.o ${CRT0} ${srcdir}/ex934.ld Makefile  ${934_BSP}
-	${CC} -L${srcdir} -L${objdir} test.o -o $@ $(LDFLAGS_FOR_TARGET) \
-	-N -Wl,-Tex934.ld -nostdlib
-ex934-test.srec: ex934-test.x
-	$(OBJCOPY) -O srec ex934-test.x $@
-ex934-test.dis: ex934-test.x
-	@rm -fr ex934-test.dis
-	$(OBJDUMP) -d ex934-test.x > $@
-ex934-test: ex934-test.srec ex934-test.dis
-
-# a C++ test case
-dtor.o:  $(srcdir)/dtor.C
-	$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -o $@ -c $?
-dtor.dis: dtor.x
-	@rm -fr dtor.dis
-	$(OBJDUMP) -d dtor.x > $@
-dtor.x: dtor.o ${ERC32_CRT0} ${srcdir}/erc32.ld Makefile ${ERC32_BSP}
-	${CC} -L${srcdir} -L${objdir} dtor.o -o $@ $(LIBS_FOR_TARGET) \
-	-N -Wl,-Terc32.ld
-
-# target specific makefile fragment comes in here.
-@target_makefile_frag@
-
-clean mostlyclean:
-	rm -f *.o *.a *.map *.x
-
-distclean maintainer-clean realclean: clean
-	rm -f Makefile
-
-.PHONY: info dvi doc install-info clean-info
-info doc dvi:
-install-info:
-clean-info:
-
-Makefile: Makefile.in ../config.status
-	cd .. && $(SHELL) config.status
diff --git a/libgloss/sparc/Makefile.inc b/libgloss/sparc/Makefile.inc
new file mode 100644
index 000000000..707c06428
--- /dev/null
+++ b/libgloss/sparc/Makefile.inc
@@ -0,0 +1,141 @@
+## Copyright (c) 1995, 1996, 1997 Cygnus Support
+##
+## The authors hereby grant permission to use, copy, modify, distribute,
+## and license this software and its documentation for any purpose, provided
+## that existing copyright notices are retained in all copies and that this
+## notice is included verbatim in any distributions. No written agreement,
+## license, or royalty fee is required for any of the authorized uses.
+## Modifications to this software may be copyrighted by their authors
+## and need not follow the licensing terms described here, provided that
+## the new terms are clearly indicated on the first page of each file where
+## they apply.
+
+## This is set to one of SPARC, SLITE, or SPLET by configure.
+## It's not clear what to do here.
+## One could certainly build everything.  The assembler supports all cpu
+## variants (via runtime switches).  However, the compiler [currently] doesn't.
+## Of course, it may be the case that there isn't any cpu specific code in
+## C source files, but there might be in the future.
+AM_CPPFLAGS_%C% = -DTARGET_CPU_$(SPARC_CPU)
+
+multilibtool_DATA += %D%/crt0.o
+libobjs_a_SOURCES += %D%/crt0.S
+
+## Used by some libs.
+%C%_common_stub_sources = \
+	close.c \
+	fstat.c \
+	getpid.c \
+	isatty.c \
+	kill.c \
+	lseek.c \
+	open.c \
+	print.c \
+	putnum.c \
+	read.c \
+	sbrk.c \
+	stat.c \
+	unlink.c \
+	write.c
+
+## ERC32: SIS simulator, see sim/erc32.
+multilibtool_DATA += %D%/erc32-crt0.o
+libobjs_a_SOURCES += %D%/erc32-crt0.S
+multilibtool_LIBRARIES += %D%/liberc32.a
+%C%_liberc32_a_SOURCES = \
+	$(%C%_common_stub_sources) \
+	%D%/erc32-io.c \
+	%D%/traps.S \
+	%D%/erc32-stub.c \
+	debug.c \
+	%D%/fixctors.c
+
+if SPARC_BUILD_CYGMON
+## sparc stuff (not sparclite or sparclet).
+%C%_SPARC_OBJ_FORMAT = sparc
+%C%_SPARC_RAM_START = 0x4000
+
+## sparc 64 stuff.
+%C%_SPARC64_OBJ_FORMAT = sparc:v9
+%C%_SPARC64_RAM_START = 0x4000
+
+## sparclite stuff.
+%C%_SLITE_OBJ_FORMAT = sparc
+%C%_SLITE_RAM_START = 0x40050000
+
+multilibtool_DATA += %D%/cygmon.ld
+%D%/cygmon.ld: $(srcdir)/%D%/@SPARC_CYGMONLDSCRIPTTEMPL@ %D%/Makefile.inc
+	$(AM_V_GEN)sed 's/TARGET_OBJ_FORMAT/$(%C%_$(SPARC_CPU)_OBJ_FORMAT)/g;s/TARGET_RAM_START/$(%C%_$(SPARC_CPU)_RAM_START)/g;' < $< > $@
+
+multilibtool_DATA += %D%/cygmon-crt0.o
+libobjs_a_SOURCES += %D%/cygmon-crt0.S
+multilibtool_LIBRARIES += %D%/libcygmon.a
+%C%_libcygmon_a_SOURCES = \
+	%D%/cygmon-salib.c
+multilibtool_DATA += %D%/cygmon-salib.o
+endif
+
+if SPARC_BUILD_SLITE
+multilibtool_DATA += \
+	%D%/ex930.ld \
+	%D%/ex931.ld \
+	%D%/ex934.ld \
+	%D%/sparc86x.ld \
+	%D%/elfsim.ld \
+	%D%/traps.o
+
+## For the time being, built the stub without hardware breakpoint support.
+multilibtool_LIBRARIES += \
+	%D%/libslite930.a \
+	%D%/libslite931.a \
+	%D%/libslite934.a \
+	%D%/libslite86x.a
+%C%_libslite930_a_SOURCES = \
+	$(%C%_common_stub_sources) \
+	%D%/salib.c \
+	%D%/sparcl-stub.c \
+	%D%/cache.c
+%C%_libslite931_a_SOURCES = $(%C%_libslite930_a_SOURCES)
+%C%_libslite934_a_SOURCES = $(%C%_libslite930_a_SOURCES)
+%C%_libslite86x_a_SOURCES = $(%C%_libslite930_a_SOURCES)
+endif
+
+if SPARC_BUILD_SPLET
+multilibtool_DATA += %D%/tsc701.ld
+
+multilibtool_DATA += %D%/crt0-701.S
+libobjs_a_SOURCES += %D%/crt0-701.S
+
+multilibtool_LIBRARIES += %D%/libsplet701.a
+%C%_libsplet701_a_SOURCES = \
+	%D%/sysc-701.c \
+	%D%/salib-701.c \
+	%D%/sparclet-stub.c
+endif
+
+## Compile a fully linked binary. The -N option is for a.out, so the
+## base address will be zero, rather than the default of 0x2020. The
+## -Wl,-T*.ld is for the linker script. By using -Wl, the linker script
+## is put on the proper place in the comand line for ld, and all the
+## symbols will get fully resolved.
+
+check_PROGRAMS += %D%/erc32-test
+%C%_erc32_test_SOURCES = %D%/test.c
+AM_LDFLAGS_%C%_erc32_test = -N -Wl,-T$(srcdir)/%D%/elfsim.ld -Wl,-Map,$@.map -nostdlib
+
+check_PROGRAMS += %D%/ex930-test
+%C%_ex930_test_SOURCES = %D%/test.c
+AM_LDFLAGS_%C%_ex930_test = -N -Wl,-T$(srcdir)/%D%/ex930.ld -nostdlib
+
+check_PROGRAMS += %D%/ex931-test
+%C%_ex931_test_SOURCES = %D%/test.c
+AM_LDFLAGS_%C%_ex931_test = -N -Wl,-T$(srcdir)/%D%/ex931.ld -nostdlib
+
+check_PROGRAMS += %D%/ex934-test
+%C%_ex934_test_SOURCES = %D%/test.c
+AM_LDFLAGS_%C%_ex934_test = -N -Wl,-T$(srcdir)/%D%/ex934.ld -nostdlib
+
+## A C++ test case.
+# check_PROGRAMS += %D%/dtor
+# %C%_ex934_test_SOURCES = %D%/dtor.C
+# %C%_ex934_test_LDFLAGS = $(AM_LDFLAGS) -N -Wl,-T$(srcdir)/%D%/elfsim.ld -nostdlib
diff --git a/libgloss/sparc/acinclude.m4 b/libgloss/sparc/acinclude.m4
index a58c7a559..3a7970110 100644
--- a/libgloss/sparc/acinclude.m4
+++ b/libgloss/sparc/acinclude.m4
@@ -1,11 +1,15 @@
 SPARC_CPU=SPARC
+SPARC_BUILD_CYGMON=true
 case ${target_cpu} in
 sparclite*) SPARC_CPU=SLITE ;;
-sparclet*) SPARC_CPU=SPLET ;;
+sparclet*) SPARC_CPU=SPLET SPARC_BUILD_CYGMON=false ;;
 sparc64*) SPARC_CPU=SPARC64 ;;
 sparc86x*) SPARC_CPU=SLITE ;;
 esac
 AC_SUBST(SPARC_CPU)
+AM_CONDITIONAL([SPARC_BUILD_CYGMON], [$SPARC_BUILD_CYGMON])
+AM_CONDITIONAL([SPARC_BUILD_SPLET], [test "$SPARC_CPU" = "SPLET"])
+AM_CONDITIONAL([SPARC_BUILD_SLITE], [test "$SPARC_CPU" = "SLITE"])
 
 SPARC_CYGMONLDSCRIPTTEMPL=cygmon.ld.src
 case ${target_cpu} in