Makefile revision d7699511f8e67e46a817f8c2f56ca1d83aaedb0f
#
# Makefile for the VirtualBox Linux Host Driver.
# (For 2.6.x this file must be called '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 = vboxdrv
OBJS = \
linux/SUPDrv-linux.o \
SUPDRVShared.o \
r0drv/alloc-r0drv.o \
r0drv/linux/alloc-r0drv-linux.o \
r0drv/linux/semaphore-r0drv-linux.o \
r0drv/linux/spinlock-r0drv-linux.o \
r0drv/linux/thread-r0drv-linux.o \
#
# Where is everything?
#
KERN_DIR_CUR := /lib/modules/$(shell uname -r)/build
ifndef $(KERN_DIR)
KERN_DIR := $(KERN_DIR_CUR)
endif
ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
ifneq ($(shell if test -d /usr/src/linux; 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
KERN_DIR := /usr/src/linux
$(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
# includes
ifndef $(KERN_INCL)
KERN_INCL = $(KERN_DIR)/include
$(info Info: using $(KERN_INCL) as the include directory of your Linux kernel. If this is not correct, specify KERN_INFO=<directory> and run Make again.)
endif
ifneq ($(shell if test -d $(KERN_INFO); then echo yes; fi),yes)
$(error Error: unable to find the include directory for your current Linux kernel. Specify $KERN_INCL=<directory> and run Make again.)
endif
# Module install dir.
ifndef MODULE_DIR
MODULE_DIR_TST := /lib/modules/$(shell uname -r)
ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
MODULE_DIR := $(MODULE_DIR_TST)/misc
else
$(error Error: could not find the module directory for your current Linux kernel)
endif
endif # MODULE_DIR unspecified
# guess kernel version (24 or 26)
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$(shell pwd) -I$(shell pwd)/include -I$(shell pwd)/r0drv/linux
export INCL
endif
KFLAGS := -D__KERNEL__ -DMODULE -D__LINUX__ -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0
ifndef CONFIG_VBOXDRV_FIXEDMAJOR
KFLAGS += -DCONFIG_VBOXDRV_AS_MISC
endif
ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
KFLAGS += -D__AMD64__
else
KFLAGS += -D__X86__
endif
#ifeq ($(BUILD_TYPE),debug) - you'll have to enable this manually to get debug stuff.
#KFLAGS += -DDEBUG
#endif
ifeq ($(KERN_VERSION), 24)
#
# 2.4
#
TOPDIR = $(KERN_DIR)
MODULE_EXT := o
EXTRA_CFLAGS := -DVBOX_LINUX_2_4
$(MODULE)-objs = $(OBJS)
else
#
# 2.6 and later
#
MODULE_EXT := ko
$(MODULE)-y := $(OBJS)
endif
# build defs
EXTRA_CFLAGS += $(INCL) $(KFLAGS) $(KDEBUG)
all: $(MODULE)
obj-m += $(MODULE).o
$(MODULE):
$(MAKE) KBUILD_VERBOSE=1 -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
ifeq ($(KERN_VERSION), 24)
#
# 2.4 Module linking
#
$(MODULE).o: $(OBJS)
$(LD) -o $@ -r $(OBJS)
include $(KERN_DIR)/Rules.make
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; \
rm -f /etc/vbox/module_not_compiled
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