makefile.sparc

Linux Device Drivers 2nd 经典书籍的配套源码

# This material is inherited from the Linux Makefile: arch/sparc/Makefile:

# $Id: Makefile.sparc,v 1.1 2000/10/16 17:13:57 rubini Exp $
# sparc/Makefile
#
# Makefile for the architecture dependent flags and dependencies on the
# Sparc.
#
# Copyright (C) 1994 David S. Miller ([e-mail])
#

# If the solaris /bin/sh wasn't so broken, I wouldn't need the following
# line...
SHELL  =/bin/bash

#
# Uncomment the first CFLAGS if you are doing kgdb source level
# debugging of the kernel to get the proper debugging information.

IS_EGCS := $(shell if $(CC) -m32 -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)

ifeq ($(NEW_GAS),y)
AS              := $(AS) -32
LD              := $(LD) -m elf32_sparc
endif

#CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
ifneq ($(IS_EGCS),y)
CFLAGS := $(CFLAGS) -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
else
CFLAGS := $(CFLAGS) -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
endif