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# $Id: Makefile,v 1.42 2000/03/09 05:56:43 jj Exp $
# sparc64/Makefile
#
# Makefile for the architecture dependent flags and dependencies on the
# 64-bit Sparc.
#
# Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
# Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
#
# If the solaris /bin/sh wasn't so broken, I wouldn't need the following
# line...
SHELL =/bin/bash
CC := sparc64-linux-gcc
NEW_GCC := $(shell if $(CC) -m64 -mcmodel=medlow -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo y; else echo n; fi; )
NEW_GAS := $(shell if $(LD) --version 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
ifneq ($(NEW_GAS),y)
AS = sparc64-linux-as
LD = sparc64-linux-ld
NM = sparc64-linux-nm
AR = sparc64-linux-ar
RANLIB = sparc64-linux-ranlib
else
AS := $(AS) -64
LD := $(LD) -m elf64_sparc
endif
ELFTOAOUT = elftoaout
ifneq ($(UNDECLARED_REGS),y)
CC_UNDECL =
else
CC_UNDECL = -Wa,--undeclared-regs
AS := $(AS) --undeclared-regs
endif
#
# Uncomment the first CFLAGS if you are doing kgdb source level
# debugging of the kernel to get the proper debugging information.
#CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
ifneq ($(NEW_GCC),y)
CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
-ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare
else
CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
-ffixed-g4 -fcall-used-g5 -fcall-used-g7 -Wno-sign-compare \
$(CC_UNDECL)
AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
endif
# Uncomment this to get spinlock/rwlock debugging on SMP.
# DEBUG_SPINLOCK = 1
ifdef CONFIG_SMP
ifdef DEBUG_SPINLOCK
CFLAGS += -DSPIN_LOCK_DEBUG
AFLAGS += -DSPIN_LOCK_DEBUG
endif
endif
LINKFLAGS = -T arch/sparc64/vmlinux.lds
HEAD := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
SUBDIRS := $(SUBDIRS) arch/sparc64/kernel arch/sparc64/lib arch/sparc64/mm \
arch/sparc64/prom
ifneq ($(CONFIG_SOLARIS_EMUL),n)
SUBDIRS += arch/sparc64/solaris
endif
SUBDIRS += arch/sparc64/math-emu
CORE_FILES := arch/sparc64/kernel/kernel.o arch/sparc64/mm/mm.o $(CORE_FILES)
ifeq ($(CONFIG_SOLARIS_EMUL),y)
CORE_FILES += arch/sparc64/solaris/solaris.o
endif
CORE_FILES += arch/sparc64/math-emu/math-emu.o
LIBS := $(TOPDIR)/lib/lib.a $(LIBS) $(TOPDIR)/arch/sparc64/prom/promlib.a \
$(TOPDIR)/arch/sparc64/lib/lib.a
vmlinux.aout: vmlinux
$(ELFTOAOUT) -o $(TOPDIR)/vmlinux.aout $(TOPDIR)/vmlinux
archclean:
rm -f $(TOPDIR)/vmlinux.aout
archmrproper:
archdep:
check_asm:
$(MAKE) -C arch/sparc64/kernel check_asm
tftpboot.img:
$(MAKE) -C arch/sparc64/boot tftpboot.img
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