Makefile revision 058e9c6d97c5306126f83d934148c658804f1d6c
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# VirtualBox Guest Additions Module Makefile.
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# Copyright (C) 2006-2009 Oracle Corporation
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# This file is part of VirtualBox Open Source Edition (OSE), as
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# available from http://www.virtualbox.org. This file is free software;
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# you can redistribute it and/or modify it under the terms of the GNU
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# General Public License (GPL) as published by the Free Software
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# Foundation, in version 2 as it comes in the "COPYING" file of the
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# First, figure out which architecture we're targeting and the build type.
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# (We have to support basic cross building (ARCH=i386|x86_64).)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# While at it, warn about BUILD_* vars found to help with user problems.
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozekifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozekifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozekifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
b294f9f082c97f0c6ef16739e19826a16375444eFabiano Fidêncio $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# override is required by the Debian guys
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek # building from this directory
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek # kernel base directory
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek KERN_DIR := /lib/modules/$(shell uname -r)/build
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek $(error Error: unable to find the sources of your current Linux kernel. \
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek Specify KERN_DIR=<directory> and run Make again)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek $(warning Warning: using /usr/src/linux as the source directory of your \
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek Linux kernel. If this is not correct, specify \
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek $(error Error: KERN_DIR does not point to a directory)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek $(error Error: unable to find the include directory for your current Linux \
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek kernel. Specify KERN_INCL=<directory> and run Make again)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek # module install dir, only for current kernel
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek MODULE_DIR_TST := /lib/modules/$(shell uname -r)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek $(error Unable to find the folder to install the additions driver to)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek # guess kernel version (24 or 26)
13294bedc56faf1011f5ba7b1ed9a53b08e71c00Jakub Hrozek ifeq ($(shell if grep '"2\.4\.' $(KERN_INCL)/linux/version.h > /dev/null; then echo yes; fi),yes)
a4837791f62283079e7be4b17efb769be8b2dfd1Jakub Hrozekelse # neq($(KERNELRELEASE),)
a4837791f62283079e7be4b17efb769be8b2dfd1Jakub Hrozek # building from kbuild (make -C <kernel_directory> M=`pwd`)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek # guess kernel version (24 or 26)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek ifeq ($(shell if echo "$(VERSION).$(PATCHLEVEL)." | grep '2\.4\.' > /dev/null; then echo yes; fi),yes)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# debug - show guesses.
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# Compiler options
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 \
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek KFLAGS += -DRT_ARCH_AMD64 -DVBOX_WITH_64_BITS_GUESTS
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub HrozekCFLAGS := -O2 -DVBOX_LINUX_2_4 -DEXPORT_SYMTAB $(INCL) $(KFLAGS) $(KDEBUG)
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# 2.4 Module linking
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek# 2.6 and later
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
8bdb8c0970dc9acb5b0a54dab0bae306ca964944Jakub Hrozek for f in . linux r0drv r0drv/linux r0drv/generic VBox common/err common/string common/log generic common/math/gcc; \