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

	Makefile revision d67d8d3162b0d9cac99842fc7da74e8371453046
2N/A# $Revision$
2N/A## @file
2N/A# VirtualBox Guest Additions Module Makefile.
2N/A#
2N/A
2N/A#
2N/A# Copyright (C) 2006-2009 Sun Microsystems, Inc.
2N/A#
2N/A# This file is part of VirtualBox Open Source Edition (OSE), as
2N/A# available from http://www.virtualbox.org. This file is free software;
2N/A# you can redistribute it and/or modify it under the terms of the GNU
2N/A# General Public License (GPL) as published by the Free Software
2N/A# Foundation, in version 2 as it comes in the "COPYING" file of the
2N/A# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
2N/A# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
2N/A#
2N/A# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
2N/A# Clara, CA 95054 USA or visit http://www.sun.com if you need
2N/A# additional information or have any questions.
2N/A#
4194N/A
2N/A#
2N/A# First, figure out which architecture we're targeting and the build type.
4360N/A# (We have to support basic cross building (ARCH=i386|x86_64).)
2N/A# While at it, warn about BUILD_* vars found to help with user problems.
2N/A#
4194N/Aifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
4194N/A BUILD_TARGET_ARCH_DEF := amd64
2N/Aelse
2N/A BUILD_TARGET_ARCH_DEF := x86
2N/Aendif
2N/Aifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
2N/A $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
2N/A BUILD_TARGET_ARCH :=
2N/Aendif
2N/Aifeq ($(BUILD_TARGET_ARCH),)
83N/A ifeq ($(ARCH),x86_64)
4337N/A  BUILD_TARGET_ARCH := amd64
1227N/A else
2N/A  ifeq ($(ARCH),i386)
2N/A   BUILD_TARGET_ARCH := x86
2N/A  else
4194N/A   BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
4337N/A  endif
2N/A endif
2N/Aelse
4360N/A ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
49N/A  $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
2N/A endif
endif

ifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
 $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
 BUILD_TYPE :=
endif
ifeq ($(BUILD_TYPE),)
 BUILD_TYPE := release
else
 ifneq ($(BUILD_TYPE),release)
  $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
 endif
endif


# override is required by the Debian guys
override MODULE = vboxguest
OBJS   = \
    VBoxGuest-linux.o \
    VBoxGuest.o \
    GenericRequest.o \
    HGCMInternal.o \
    Init.o \
    PhysHeap.o \
    SysHlp.o \
    VMMDev.o \
    r0drv/alloc-r0drv.o \
    r0drv/initterm-r0drv.o \
    r0drv/memobj-r0drv.o \
    r0drv/mpnotification-r0drv.o \
    r0drv/powernotification-r0drv.o \
    r0drv/linux/alloc-r0drv-linux.o \
    r0drv/linux/assert-r0drv-linux.o \
    r0drv/linux/initterm-r0drv-linux.o \
    r0drv/linux/memobj-r0drv-linux.o \
    r0drv/linux/mp-r0drv-linux.o \
    r0drv/linux/mpnotification-r0drv-linux.o \
    r0drv/linux/process-r0drv-linux.o \
    r0drv/linux/semevent-r0drv-linux.o \
    r0drv/linux/semeventmulti-r0drv-linux.o \
    r0drv/linux/semfastmutex-r0drv-linux.o \
    r0drv/linux/spinlock-r0drv-linux.o \
    r0drv/linux/thread-r0drv-linux.o \
    r0drv/linux/RTLogWriteDebugger-r0drv-linux.o \
    common/err/RTErrConvertFromErrno.o \
    common/err/RTErrConvertToErrno.o \
    common/log/log.o \
        common/log/logellipsis.o \
        common/log/logrel.o \
        common/log/logrelellipsis.o \
        common/log/logcom.o \
    common/log/logformat.o \
    common/string/strformat.o \
    common/string/strformatrt.o \
    common/string/strformattype.o \
    common/string/strprintf.o \
    common/string/strtonum.o \
    generic/RTAssertShouldPanic-generic.o \
        generic/RTLogWriteStdErr-stub-generic.o \
        generic/RTLogWriteStdOut-stub-generic.o \
    VBox/log-vbox.o \
    VBox/logbackdoor.o \
    VBox/strformat-vbox.o
ifeq ($(BUILD_TARGET_ARCH),x86)
OBJS += \
    common/math/gcc/divdi3.o \
    common/math/gcc/moddi3.o \
    common/math/gcc/udivdi3.o \
    common/math/gcc/umoddi3.o \
    common/math/gcc/qdivrem.o
endif
ifeq ($(BUILD_TARGET_ARCH),amd64)
OBJS += common/alloc/heapsimple.o
endif

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)
 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
#

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 -ae;

endif # eq($(MAKECMDGOALS),clean)

clean:
    for f in . linux r0drv r0drv/linux 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