Makefile.module revision e2981b3d06bb0666e0de01fc67107ffc64d32b9f
#
# VirtualBox Guest Additions Module Makefile.
#
# (For 2.6.x this file must be 'Makefile'!)
#
# Copyright (C) 2006 InnoTek Systemberatung GmbH
#
# 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 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.
#
# If you received this file as part of a commercial VirtualBox
# distribution, then only the terms of your commercial VirtualBox
# license agreement apply instead of the previous paragraph.
#
#
MODULE = vboxadd
OBJS = \
cmc.o \
#
# Where is everything?
#
ifeq ($(KERN_DIR),)
KERN_DIR_CUR := /lib/modules/$(shell uname -r)/build
ifeq ($(shell if test -d $(KERN_DIR_CUR); then echo yes; fi),yes)
KERN_DIR := $(KERN_DIR_CUR)
else
KERN_DIR = /usr/src/linux
$(warning Warning: defaulting kernel sources to $(KERN_DIR). Specify KERN_DIR=<right-place> if this is not right.)
endif
endif
# includes
ifeq ($(KERN_INCL),)
ifeq ($(shell if test -d $(KERN_DIR)/include; then echo yes; fi),yes)
KERN_INCL = $(KERN_DIR)/include
# Instead of sticking to the standards, OpenSUSE 10.2 only puts a few include
# files in /lib/modules/$(uname -r)/build/include, and puts the rest in
# /lib/modules/$(uname -r)/source/include, which points into the kernel sources
EXTRA_INCL = -I/lib/modules/$(shell uname -r)/source/include
else
KERN_INCL = /usr/src/linux/include
$(warning Warning: defaulting to the includes in $(KERN_INCL). Specify KERN_INCL=<right-place> if this is not right.)
endif
endif
# Module install dir.
ifndef MODULE_DIR
MODULE_DIR_TST := /lib/modules/$(shell uname -r)
ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
MODULE_DIR := $(MODULE_DIR_TST)/misc
else
# MODULE_DIR := .
$(error Unable to find the folder to install the additions driver to)
endif
endif # MODULE_DIR unspecified
# guess kernel version (24 or 26)
ifeq ($(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) -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 -D__LINUX__ -DIN_RING0 -D_X86_ -DIN_RT_R0 -DIN_SUP_R0 -DVBGL_VBOXGUEST -DVBGL_HGCM -DVBOX_HGCM
#ifeq ($(BUILD_TYPE),debug) - you'll have to enable this manually to get debug stuff.
#KFLAGS += -DDEBUG
#endif
ifeq ($(KERN_VERSION), 24)
#
# 2.4
#
CFLAGS := -DVBOX_LINUX_2_4 -DEXPORT_SYMTAB $(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
install: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
PATH="$(PATH):/bin:/sbin" depmod -ae;
clean:
rm -rf *.o .*.cmd .*.flags