#!/usr/bin/make -f
##########################################################
# Copyright (C) 1998 VMware, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation version 2 and no later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
#
##########################################################

vm_check_build = $(shell if $(CC) $(CC_OPTS) $(INCLUDE) -Werror -S -o /dev/null -xc $(1) \
	> /dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi)

DRIVERNAME := $(DRIVER)-xxx-$(VM_UNAME)

ifneq (,$(filter x86_64%, $(shell $(CC) -dumpmachine)))
   MACHINE := x86_64
else
   MACHINE := x386
endif

CC_WARNINGS := -Wall -Wstrict-prototypes
# Don't use -pipe or egcs-2.91.66 (shipped with RedHat) will die
CC_OPTS := -D__KERNEL__ -DMODULE -fomit-frame-pointer -fno-strength-reduce \
	   -fno-common -DKBUILD_MODNAME=$(DRIVER)
# Gcc 3.0 deprecates -m486 --hpreg
CC_OPTS += $(call vm_check_gcc,-falign-loops=2 -falign-jumps=2 -falign-functions=2, \
	   -malign-loops=2 -malign-jumps=2 -malign-functions=2)
CC_OPTS += $(call vm_check_gcc,-fno-strict-aliasing,)
ifeq ($(MACHINE),x86_64)
CC_OPTS += -mno-red-zone -mcmodel=kernel
else
CC_OPTS += -DCPU=586 $(call check_gcc,-march=i586,-m486)
endif

INCLUDE := -I. -I$(HEADER_DIR)
INCLUDE += $(shell $(CC) $(INCLUDE) -E geninclude.c \
	   | sed -n -e 's!^APATH!-I$(HEADER_DIR)/asm!p')

CFLAGS := -O $(CC_WARNINGS) $(CC_OPTS) $(INCLUDE) $(GLOBAL_DEFS)

OBJS := driver.o hub.o userif.o netif.o bridge.o procfs.o smac_compat.o \
        smac.o vnetEvent.o vnetUserListener.o

LIBS :=

default: all

all: $(DRIVER).o

$(DRIVERNAME): $(OBJS)
	$(LD) -r -o $@ $^

$(DRIVER) $(DRIVER).o ../$(DRIVER).o: $(DRIVERNAME)
	cp -f $< $@

auto-build: ../$(DRIVER).o

clean:
	rm -f $(DRIVERNAME) $(DRIVER) $(DRIVER).o ../$(DRIVER).o $(OBJS)

.PHONY: default all auto-build clean

.SILENT: