#

# VirtualBox Guest Additions kernel module Makefile, common parts.

#

# See Makefile.include.header for details of how to use this.

#

# Copyright (C) 2006-2011 Oracle Corporation

#

# This file is part of VirtualBox Open Source Edition (OSE), as

# available from http://www.virtualbox.org. This file is free software;

# you can redistribute it and/or modify it under the terms of the GNU

# General Public License (GPL) as published by the Free Software

# Foundation, in version 2 as it comes in the "COPYING" file of the

# VirtualBox OSE distribution. VirtualBox OSE is distributed in the

# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

#

# override is required by the Debian guys

override MODULE = $(MOD_NAME)

OBJS = $(MOD_OBJS)

ifneq ($(MAKECMDGOALS),clean)

KBUILD_VERBOSE ?= 1

#

# Compiler options

#

ifndef INCL

INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))

ifndef KBUILD_EXTMOD

KBUILD_EXTMOD := $(shell pwd)

endif

INCL += $(MOD_INCL)

export INCL

endif

KFLAGS := -D__KERNEL__ -DMODULE $(MOD_DEFS)

ifeq ($(BUILD_TYPE),debug)

KFLAGS += -DDEBUG -DDEBUG_$(subst $(subst _, ,_),_,$(USERNAME)) -DDEBUG_USERNAME=$(subst $(subst _, ,_),_,$(USERNAME))

endif

ifeq ($(KERN_VERSION), 24)

#

# 2.4

#

ifeq ($(BUILD_TARGET_ARCH),amd64)

KFLAGS += -mcmodel=kernel

endif

CFLAGS := -O2 -DVBOX_LINUX_2_4 $(MOD_CFLAGS) $(INCL) $(KFLAGS) $(MOD_EXTRA) $(KDEBUG)

MODULE_EXT := o

# 2.4 Module linking

$(MODULE).o: $(OBJS)

$(LD) -o $@ -r $(OBJS)

.PHONY: $(MODULE)

all: $(MODULE)

$(MODULE): $(MODULE).o

else

#

# 2.6 and later

#

MODULE_EXT := ko

$(MODULE)-y := $(OBJS)

# build defs

EXTRA_CFLAGS += $(MOD_CFLAGS) $(INCL) $(KFLAGS) $(MOD_EXTRA) $(KDEBUG)

all: $(MODULE)

obj-m += $(MODULE).o

# OL/UEK: disable module signing for external modules -- we don't have any private key

$(MODULE):

$(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) CONFIG_MODULE_SIG= -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules

endif

install: $(MODULE)

@mkdir -p $(MODULE_DIR); \

install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \

PATH="$(PATH):/bin:/sbin" depmod -a;

endif # eq($(MAKECMDGOALS),clean)

# important: Don't remove Module.symvers! DKMS does 'make clean' before building ...

clean:

for f in $(MOD_CLEAN); do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done

rm -rf .$(MOD_NAME)* .tmp_ver* $(MOD_NAME).* Modules.symvers modules.order