Makefile revision 7eaaa8a4480370b82ef3735994f986f338fb4df2
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# Makefile for the VirtualBox Linux Host Virtual Network Adapter Driver.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# (For 2.6.x this file must be called 'Makefile'!)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# Copyright (C) 2006-2010 Oracle Corporation
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# This file is part of VirtualBox Open Source Edition (OSE), as
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# available from http://www.virtualbox.org. This file is free software;
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# you can redistribute it and/or modify it under the terms of the GNU
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# General Public License (GPL) as published by the Free Software
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# Foundation, in version 2 as it comes in the "COPYING" file of the
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# First, figure out which architecture we're targeting and the build type.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# (We have to support basic cross building (ARCH=i386|x86_64).)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# While at it, warn about BUILD_* vars found to help with user problems.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poetteringifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poetteringifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poetteringifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# override is required by the Debian guys
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # building from this directory
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # kernel base directory
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # build for the current kernel, version check
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering KERN_DIR := /lib/modules/$(shell uname -r)/build
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(error Error: unable to find the sources of your current Linux kernel. \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering Specify KERN_DIR=<directory> and run Make again)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(warning Warning: using /usr/src/linux as the source directory of your \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering Linux kernel. If this is not correct, specify \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering KERN_DIR=<directory> and run Make again.)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # check if versions match -- works only for later 2.6 kernels
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering VBOX_KERN_VER := $(shell $(MAKE) -sC $(KERN_DIR) --no-print-directory kernelrelease 2> /dev/null || true)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(VBOX_KERN_VER),$(shell uname -r))
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(error Error: /usr/src/linux (version $(VBOX_KERN_VER)) does not match \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering the current kernel (version $(shell uname -r)))
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # build for a dedicated kernel, no version check
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(shell if test -d $(KERN_DIR); then echo yes; fi),yes)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(error Error: KERN_DIR does not point to a directory)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(shell if test -d $(KERN_INCL); then echo yes; fi),yes)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(error Error: unable to find the include directory for your current Linux \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering kernel. Specify KERN_INCL=<directory> and run Make again)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # module install dir, only for current kernel
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifneq ($(filter install install_rpm,$(MAKECMDGOALS)),)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering MODULE_DIR_TST := /lib/modules/$(shell uname -r)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(error Unable to find the folder to install the support driver to)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poetteringelse # neq($(KERNELRELEASE),)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # building from kbuild (make -C <kernel_directory> M=`pwd`)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# debug - show guesses.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering$(warning dbg: MODULE_DIR = $(MODULE_DIR))
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# Compiler options
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering INCL := $(addprefix -I,$(KERN_INCL) $(EXTRA_INCL))
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering INCL += $(addprefix -I$(KBUILD_EXTMOD)/vboxnetadp,/ /include /r0drv/linux)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart PoetteringKFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# must be consistent with Config.kmk!
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering # IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering #KFLAGS += -DIPRT_DEBUG_SEMS
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# By default we use remap_pfn_range() kernel API to make kernel pages
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# visible for userland. Unfortuately, it leads to situation that
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# during debug session all structures on that page (such as PVM pointer)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# are not accessible to the debugger (see #3214).
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# This code enables experimental support
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# for vm_insert_page() kernel API, allowing to export kernel pages
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# to the userland in more debugger-friendly way. Due to stability
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# concerns, not enabled by default yet.
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart PoetteringEXTRA_CFLAGS += $(INCL) $(KFLAGS) $(KDEBUG)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering $(MAKE) KBUILD_VERBOSE=$(KBUILD_VERBOSE) -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering# important: Don't remove Module.symvers! DKMS does 'make clean' before building ...
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering for f in . linux r0drv r0drv/linux VBox common/err common/string common/log generic math/gcc; \
41f9172f427bdbb8221c64029f78364b8dd4e527Lennart Poettering do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done