Cross Reference: /vbox/src/VBox/HostDrivers/Support/linux/Makefile

	Makefile revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
b897c52f865b2fc4e220e2110b874e59c716456bBob Halley#
b897c52f865b2fc4e220e2110b874e59c716456bBob Halley# Makefile for the VirtualBox Linux Host Driver.
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# (For 2.6.x this file must be called 'Makefile'!)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# Copyright (C) 2006 InnoTek Systemberatung GmbH
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# This file is part of VirtualBox Open Source Edition (OSE), as
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# available from http://www.virtualbox.org. This file is free software;
b897c52f865b2fc4e220e2110b874e59c716456bBob Halley# you can redistribute it and/or modify it under the terms of the GNU
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# General Public License as published by the Free Software Foundation,
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# distribution. VirtualBox OSE is distributed in the hope that it will
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# be useful, but WITHOUT ANY WARRANTY of any kind.
b897c52f865b2fc4e220e2110b874e59c716456bBob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# If you received this file as part of a commercial VirtualBox
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# distribution, then only the terms of your commercial VirtualBox
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# license agreement apply instead of the previous paragraph.
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyMODULE = vboxdrv
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyOBJS   = \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    linux/SUPDrv-linux.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    SUPDRVShared.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    r0drv/alloc-r0drv.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    r0drv/linux/alloc-r0drv-linux.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    r0drv/linux/semaphore-r0drv-linux.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    r0drv/linux/spinlock-r0drv-linux.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley    r0drv/linux/thread-r0drv-linux.o \
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# Where is everything?
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKERN_DIR_CUR := /lib/modules/$(shell uname -r)/build
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifndef $(KERN_DIR)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKERN_DIR := $(KERN_DIR_CUR)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifneq ($(shell if test -d /usr/src/linux; then echo yes; fi),yes)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(error Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR=<directory> and run Make again.)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKERN_DIR := /usr/src/linux
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(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.)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# includes
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifndef $(KERN_INCL)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKERN_INCL = $(KERN_DIR)/include
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(info Info: using $(KERN_INCL) as the include directory of your Linux kernel. If this is not correct, specify KERN_INFO=<directory> and run Make again.)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifneq ($(shell if test -d $(KERN_INFO); then echo yes; fi),yes)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(error Error: unable to find the include directory for your current Linux kernel. Specify $KERN_INCL=<directory> and run Make again.)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# Module install dir.
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifndef MODULE_DIR
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyMODULE_DIR_TST := /lib/modules/$(shell uname -r)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyMODULE_DIR := $(MODULE_DIR_TST)/misc
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyelse
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(error Error: could not find the module directory for your current Linux kernel)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif # MODULE_DIR unspecified
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# guess kernel version (24 or 26)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKERN_VERSION := $(if $(wildcard $(KERN_DIR)/Rules.make),24,26)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# debug - show guesses.
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifdef DEBUG
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(warning dbg: KERN_DIR     = $(KERN_DIR))
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(warning dbg: KERN_INCL    = $(KERN_INCL))
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(warning dbg: MODULE_DIR   = $(MODULE_DIR))
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley$(warning dbg: KERN_VERSION = $(KERN_VERSION))
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley# Compiler options
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifndef INCL
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyINCL     := -I$(KERN_INCL) -I$(shell pwd) -I$(shell pwd)/include -I$(shell pwd)/r0drv/linux
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyexport INCL
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKFLAGS   := -D__KERNEL__ -DMODULE -D__LINUX__ -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifndef CONFIG_VBOXDRV_FIXEDMAJOR
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKFLAGS   += -DCONFIG_VBOXDRV_AS_MISC
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKFLAGS   += -D__AMD64__
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyelse
0b72c791466d0807bcf22522b5ddb7da902c2720Bob HalleyKFLAGS   += -D__X86__
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halleyendif
0b72c791466d0807bcf22522b5ddb7da902c2720Bob Halley#ifeq ($(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;

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