Cross Reference: /vbox/src/VBox/Additions/common/VBoxGuest/linux/Makefile

	Makefile revision 683eff3070b1b86fe71b71af7fda82766ea19d17
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# $Revision$
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe## @file
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# VirtualBox Guest Additions Module Makefile.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# Copyright (C) 2006-2010 Oracle Corporation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# This file is part of VirtualBox Open Source Edition (OSE), as
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# available from http://www.virtualbox.org. This file is free software;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# you can redistribute it and/or modify it under the terms of the GNU
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# General Public License (GPL) as published by the Free Software
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# Foundation, in version 2 as it comes in the "COPYING" file of the
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# First, figure out which architecture we're targeting and the build type.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# (We have to support basic cross building (ARCH=i386|x86_64).)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# While at it, warn about BUILD_* vars found to help with user problems.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe BUILD_TARGET_ARCH_DEF := amd64
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweelse
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe BUILD_TARGET_ARCH_DEF := x86
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe BUILD_TARGET_ARCH :=
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifeq ($(BUILD_TARGET_ARCH),)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe ifeq ($(ARCH),x86_64)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  BUILD_TARGET_ARCH := amd64
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe else
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  ifeq ($(ARCH),i386)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe   BUILD_TARGET_ARCH := x86
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  else
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe   BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  endif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe endif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweelse
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe endif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe BUILD_TYPE :=
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifeq ($(BUILD_TYPE),)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe BUILD_TYPE := release
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweelse
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe ifneq ($(BUILD_TYPE),release)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe endif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe# override is required by the Debian guys
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweoverride MODULE = vboxguest
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweOBJS   = \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VBoxGuest-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VBoxGuest.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VBoxGuest2.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    GenericRequest.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    HGCMInternal.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Init.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    PhysHeap.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    SysHlp.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VMMDev.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/alloc-r0drv.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/initterm-r0drv.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/memobj-r0drv.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/mpnotification-r0drv.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/powernotification-r0drv.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/alloc-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/assert-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/initterm-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/memobj-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/memuserkernel-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/mp-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/mpnotification-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/process-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/semevent-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/semeventmulti-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/semfastmutex-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/spinlock-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/thread-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/time-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/linux/RTLogWriteDebugger-r0drv-linux.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    r0drv/generic/semspinmutex-r0drv-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/alloc/alloc.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/err/RTErrConvertFromErrno.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/err/RTErrConvertToErrno.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/log/log.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        common/log/logellipsis.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        common/log/logrel.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        common/log/logrelellipsis.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        common/log/logcom.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/log/logformat.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg1Weak.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2Add.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2AddWeak.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2AddWeakV.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2Weak.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/RTAssertMsg2WeakV.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/misc/assert.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/RTStrCopy.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/strformat.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/strformatrt.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/strformattype.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/strprintf.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/string/strtonum.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/time/time.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    generic/RTAssertShouldPanic-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        generic/RTLogWriteStdErr-stub-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        generic/RTLogWriteStdOut-stub-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    generic/RTSemEventWait-2-ex-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    generic/RTSemEventWaitNoResume-2-ex-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    generic/RTSemEventMultiWait-2-ex-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    generic/RTSemEventMultiWaitNoResume-2-ex-generic.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VBox/log-vbox.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VBox/logbackdoor.o
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifeq ($(BUILD_TARGET_ARCH),x86)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweOBJS += \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/math/gcc/divdi3.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/math/gcc/moddi3.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/math/gcc/udivdi3.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/math/gcc/umoddi3.o \
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    common/math/gcc/qdivrem.o
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweifeq ($(BUILD_TARGET_ARCH),amd64)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweOBJS += common/alloc/heapsimple.o
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Loweendif

ifneq ($(MAKECMDGOALS),clean)

ifeq ($(KERNELRELEASE),)

 #
 # building from this directory
 #

 # 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

 # module install dir, only for current kernel
 ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
  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 Unable to find the folder to install the additions driver to)
   endif
  endif # MODULE_DIR unspecified
 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

else # neq($(KERNELRELEASE),)

 #
 # building from kbuild (make -C <kernel_directory> M=`pwd`)
 #

 # guess kernel version (24 or 26)
 ifeq ($(shell if echo "$(VERSION).$(PATCHLEVEL)." | grep '2\.4\.' > /dev/null; then echo yes; fi),yes)
  KERN_VERSION := 24
 else
  KERN_VERSION := 26
 endif

endif # neq($(KERNELRELEASE),)

# 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

KBUILD_VERBOSE ?= 1

#
# Compiler options
#
ifndef INCL
 INCL    := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
 ifndef KBUILD_EXTMOD
  KBUILD_EXTMOD := $(shell pwd)
 endif
 INCL    += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
 INCL    += $(addprefix -I$(KBUILD_EXTMOD)/vboxguest,/ /include /r0drv/linux)
 export INCL
endif
KFLAGS   := -D__KERNEL__ -DMODULE \
    -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 \
    -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM
ifeq ($(BUILD_TARGET_ARCH),amd64)
 KFLAGS  += -DRT_ARCH_AMD64 -DVBOX_WITH_64_BITS_GUESTS
else
 KFLAGS  += -DRT_ARCH_X86
endif
ifeq ($(BUILD_TYPE),debug)
KFLAGS   += -DDEBUG
endif

ifeq ($(KERN_VERSION), 24)
#
# 2.4
#

ifeq ($(BUILD_TARGET_ARCH),amd64)
 KFLAGS  += -mcmodel=kernel
endif

CFLAGS := -O2 -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):
    $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) -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)

clean:
    for f in . linux r0drv r0drv/linux r0drv/generic VBox common/err common/string common/log generic common/math/gcc; \
            do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done
    rm -rf .vboxguest* .tmp_ver* vboxguest.* Module.symvers Modules.symvers modules.order