Makefile revision 7eaaa8a4480370b82ef3735994f986f338fb4df2
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# Makefile for the VirtualBox Linux Host Network Filter Driver.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# (For 2.6.x this file must be called 'Makefile'!)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# Copyright (C) 2006-2010 Oracle Corporation
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# This file is part of VirtualBox Open Source Edition (OSE), as
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# available from http://www.virtualbox.org. This file is free software;
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# you can redistribute it and/or modify it under the terms of the GNU
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# General Public License (GPL) as published by the Free Software
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# Foundation, in version 2 as it comes in the "COPYING" file of the
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# First, figure out which architecture we're targeting and the build type.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# (We have to support basic cross building (ARCH=i386|x86_64).)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# While at it, warn about BUILD_* vars found to help with user problems.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# override is required by the Debian guys
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # building from this directory
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # kernel base directory
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # build for the current kernel, version check
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk KERN_DIR := /lib/modules/$(shell uname -r)/build
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(error Error: unable to find the sources of your current Linux kernel. \
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk Specify KERN_DIR=<directory> and run Make again)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(warning Warning: using /usr/src/linux as the source directory of your \
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # check if versions match -- works only for later 2.6 kernels
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk VBOX_KERN_VER := $(shell $(MAKE) -sC $(KERN_DIR) --no-print-directory kernelrelease 2> /dev/null || true)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(error Error: /usr/src/linux (version $(VBOX_KERN_VER)) does not match \
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # build for a dedicated kernel, no version check
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(error Error: KERN_DIR does not point to a directory)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(error Error: unable to find the include directory for your current Linux \
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk kernel. Specify KERN_INCL=<directory> and run Make again)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # module install dir, only for current kernel
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk MODULE_DIR_TST := /lib/modules/$(shell uname -r)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk $(error Unable to find the folder to install the support driver to)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkelse # neq($(KERNELRELEASE),)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # building from kbuild (make -C <kernel_directory> M=`pwd`)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# debug - show guesses.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# Compiler options
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk INCL += $(addprefix -I$(KBUILD_EXTMOD)/vboxnetflt,/ /include /r0drv/linux)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenkKFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# must be consistent with Config.kmk!
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk # IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk #KFLAGS += -DIPRT_DEBUG_SEMS
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# By default we use remap_pfn_range() kernel API to make kernel pages
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# visible for userland. Unfortuately, it leads to situation that
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# during debug session all structures on that page (such as PVM pointer)
c1350cf5bc50458ba79cc93ff9e0e5fe3f1aeeb0jeff.schenk# are not accessible to the debugger (see #3214).
$(MODULE):
# important: Don't remove Module.symvers! DKMS does 'make clean' before building ...