#

# VirtualBox Guest Additions Module Makefile.

#

# (For 2.6.x this file must be 'Makefile'!)

#

# Copyright (C) 2006-2007 Sun Microsystems, Inc.

#

# Use only with permission

#

#

MODULE = vboxadd_test

OBJS = test.o

ifneq ($(MAKECMDGOALS),clean)

# kernel base directory

ifndef KERN_DIR

KERN_DIR := /lib/modules/$(shell uname -r)/build

ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)

KERN_DIR := /usr/src/linux

ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)

$(error Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR=<directory> and run Make again.)

endif

$(warning Warning: using /usr/src/linux as the source directory of your Linux kernel. If this is not correct, specify KERN_DIR=<directory> and run Make again.)

endif

else

ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)

$(error Error: KERN_DIR does not point to a directory.)

endif

endif

# includes

ifndef KERN_INCL

KERN_INCL = $(KERN_DIR)/include

endif

ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)

$(error Error: unable to find the include directory for your current Linux kernel. Specify KERN_INCL=<directory> and run Make again.)

endif

# guess kernel version (24 or 26)

ifeq ($(shell if grep '"2.4.' $(KERN_INCL)/linux/version.h > /dev/null; then echo yes; fi),yes)

KERN_VERSION := 24

else

KERN_VERSION := 26

endif

# KERN_VERSION := $(if $(wildcard $(KERN_DIR)/Rules.make),24,26)

# debug - show guesses.

ifdef DEBUG

$(warning dbg: KERN_DIR = $(KERN_DIR))

$(warning dbg: KERN_INCL = $(KERN_INCL))

$(warning dbg: MODULE_DIR = $(MODULE_DIR))

$(warning dbg: KERN_VERSION = $(KERN_VERSION))

endif

#

# Compiler options

#

ifndef INCL

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

ifndef KBUILD_EXTMOD

KBUILD_EXTMOD := $(shell pwd)

endif

INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)

export INCL

endif

KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -D_X86_ -DIN_RT_R0 -DIN_SUP_R0 \

-DVBGL_VBOXGUEST -DVBGL_HGCM -DVBOX_WITH_HGCM

ifeq ($(BUILD_TYPE),debug)

KFLAGS += -DDEBUG

endif

ifeq ($(KERN_VERSION), 24)

#

# 2.4

#

CFLAGS := -DVBOX_LINUX_2_4 $(INCL) $(KFLAGS) $(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 += $(INCL) $(KFLAGS) $(KDEBUG)

all: $(MODULE)

obj-m += $(MODULE).o

$(MODULE):

$(MAKE) KBUILD_VERBOSE=1 -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules

endif

endif # eq($(MAKECMDGOALS),clean)

clean:

for f in . linux r0drv r0drv/linux; do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done

rm -rf .vboxdrv* .tmp_ver* vboxdrv.* Module.symvers Modules.symvers