Makefile revision 7eaaa8a4480370b82ef3735994f986f338fb4df2
2521N/A#
2521N/A# Makefile for the VirtualBox Linux Host Virtual Network Adapter Driver.
2521N/A# (For 2.6.x this file must be called 'Makefile'!)
2521N/A#
2521N/A
2521N/A#
2521N/A#
2521N/A# Copyright (C) 2006-2010 Oracle Corporation
2521N/A#
2521N/A# This file is part of VirtualBox Open Source Edition (OSE), as
2521N/A# available from http://www.virtualbox.org. This file is free software;
2521N/A# you can redistribute it and/or modify it under the terms of the GNU
2521N/A# General Public License (GPL) as published by the Free Software
2521N/A# Foundation, in version 2 as it comes in the "COPYING" file of the
2521N/A# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
2521N/A# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
2521N/A#
2521N/A
2521N/A#
2521N/A# First, figure out which architecture we're targeting and the build type.
2521N/A# (We have to support basic cross building (ARCH=i386|x86_64).)
2521N/A# While at it, warn about BUILD_* vars found to help with user problems.
3817N/A#
2521N/Aifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),)
3998N/A BUILD_TARGET_ARCH_DEF := amd64
2521N/Aelse
2521N/A BUILD_TARGET_ARCH_DEF := x86
2521N/Aendif
3998N/Aifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),)
2521N/A $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.)
3998N/A BUILD_TARGET_ARCH :=
2521N/Aendif
3817N/Aifeq ($(BUILD_TARGET_ARCH),)
2521N/A ifeq ($(ARCH),x86_64)
2521N/A BUILD_TARGET_ARCH := amd64
2521N/A else
2521N/A ifeq ($(ARCH),i386)
2521N/A BUILD_TARGET_ARCH := x86
2521N/A else
2521N/A BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF)
2521N/A endif
2521N/A endif
2521N/Aelse
2521N/A ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF))
2521N/A $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).)
2521N/A endif
2521N/Aendif
2521N/A
2521N/Aifneq ($(filter-out release profile debug strict,$(BUILD_TYPE)),)
2521N/A $(warning Ignoring unknown BUILD_TYPE value '$(BUILD_TYPE)'.)
2521N/A BUILD_TYPE :=
2521N/Aendif
2521N/Aifeq ($(BUILD_TYPE),)
2521N/A BUILD_TYPE := release
2521N/Aelse
2521N/A ifneq ($(BUILD_TYPE),release)
2521N/A $(warning Using BUILD_TYPE='$(BUILD_TYPE)' from the $(origin BUILD_TYPE).)
2521N/A endif
endif
# override is required by the Debian guys
override MODULE = vboxnetadp
OBJS = \
linux/VBoxNetAdp-linux.o \
VBoxNetAdp.o
ifeq ($(BUILD_TARGET_ARCH),x86)
OBJS += math/gcc/divdi3.o \
math/gcc/moddi3.o \
math/gcc/qdivrem.o \
math/gcc/udivdi3.o \
math/gcc/divdi3.o \
math/gcc/umoddi3.o
endif
ifneq ($(MAKECMDGOALS),clean)
ifeq ($(KERNELRELEASE),)
#
# building from this directory
#
# kernel base directory
ifndef KERN_DIR
# build for the current kernel, version check
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
# check if versions match -- works only for later 2.6 kernels
VBOX_KERN_VER := $(shell $(MAKE) -sC $(KERN_DIR) --no-print-directory kernelrelease 2> /dev/null || true)
ifneq ($(VBOX_KERN_VER),)
ifneq ($(VBOX_KERN_VER),$(shell uname -r))
$(error Error: /usr/src/linux (version $(VBOX_KERN_VER)) does not match \
the current kernel (version $(shell uname -r)))
endif
endif
else
# build for a dedicated kernel, no version check
ifneq ($(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
$(error Unable to find the folder to install the support driver to)
endif
endif # MODULE_DIR unspecified
endif
else # neq($(KERNELRELEASE),)
#
# building from kbuild (make -C <kernel_directory> M=`pwd`)
#
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))
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)/vboxnetadp,/ /include /r0drv/linux)
export INCL
endif
KFLAGS := -D__KERNEL__ -DMODULE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DRT_WITH_VBOX -DVBOX_WITH_HARDENING
ifdef VBOX_REDHAT_KABI
KFLAGS += -DVBOX_REDHAT_KABI
endif
ifeq ($(BUILD_TARGET_ARCH),amd64)
KFLAGS += -DRT_ARCH_AMD64
else
KFLAGS += -DRT_ARCH_X86
endif
# must be consistent with Config.kmk!
KFLAGS += -DVBOX_WITH_64_BITS_GUESTS
ifeq ($(BUILD_TYPE),debug)
KFLAGS += -DDEBUG -DDEBUG_$(USER) -g
# IPRT_DEBUG_SEMS indicates thread wrt sems state via the comm field.
#KFLAGS += -DIPRT_DEBUG_SEMS
endif
# By default we use remap_pfn_range() kernel API to make kernel pages
# visible for userland. Unfortuately, it leads to situation that
# during debug session all structures on that page (such as PVM pointer)
# are not accessible to the debugger (see #3214).
# This code enables experimental support
# for vm_insert_page() kernel API, allowing to export kernel pages
# to the userland in more debugger-friendly way. Due to stability
# concerns, not enabled by default yet.
ifdef VBOX_USE_INSERT_PAGE
KFLAGS += -DVBOX_USE_INSERT_PAGE
endif
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
install: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
PATH="$(PATH):/bin:/sbin" depmod -a; \
rm -f /etc/vbox/module_not_compiled
install_rpm: $(MODULE)
@mkdir -p $(MODULE_DIR); \
install -m 0664 $(MODULE).$(MODULE_EXT) $(MODULE_DIR)
endif # eq($(MAKECMDGOALS),clean)
# important: Don't remove Module.symvers! DKMS does 'make clean' before building ...
clean:
for f in . linux r0drv r0drv/linux VBox common/err common/string common/log generic math/gcc; \
do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done
rm -rf .vboxnetadp* .tmp_ver* vboxnetadp.* Modules.symvers modules.order