| # |
| # VirtualBox Guest Additions Module Makefile. |
| # |
| # (For 2.6.x this file must be 'Makefile'!) |
| # |
| # Copyright (C) 2006-2007 Sun Microsystems, Inc. |
| # |
| # This file is part of VirtualBox Open Source Edition (OSE), as |
| # available from http://www.virtualbox.org. This file is free software; |
| # you can redistribute it and/or modify it under the terms of the GNU |
| # General Public License (GPL) as published by the Free Software |
| # Foundation, in version 2 as it comes in the "COPYING" file of the |
| # VirtualBox OSE distribution. VirtualBox OSE is distributed in the |
| # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. |
| # |
| # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa |
| # Clara, CA 95054 USA or visit http://www.sun.com if you need |
| # additional information or have any questions. |
| # |
| |
| ## @todo We must make this into a common template *soon*. |
| |
| # |
| # First, figure out which architecture we're targeting and the build type. |
| # (We have to support basic cross building (ARCH=i386|x86_64).) |
| # While at it, warn about BUILD_* vars found to help with user problems. |
| # |
| ifeq ($(filter-out x86_64 amd64 AMD64,$(shell uname -m)),) |
| BUILD_TARGET_ARCH_DEF := amd64 |
| else |
| BUILD_TARGET_ARCH_DEF := x86 |
| endif |
| ifneq ($(filter-out amd64 x86,$(BUILD_TARGET_ARCH)),) |
| $(warning Ignoring unknown BUILD_TARGET_ARCH value '$(BUILD_TARGET_ARCH)'.) |
| BUILD_TARGET_ARCH := |
| endif |
| ifeq ($(BUILD_TARGET_ARCH),) |
| ifeq ($(ARCH),x86_64) |
| BUILD_TARGET_ARCH := amd64 |
| else |
| ifeq ($(ARCH),i386) |
| BUILD_TARGET_ARCH := x86 |
| else |
| BUILD_TARGET_ARCH := $(BUILD_TARGET_ARCH_DEF) |
| endif |
| endif |
| else |
| ifneq ($(BUILD_TARGET_ARCH),$(BUILD_TARGET_ARCH_DEF)) |
| $(warning Using BUILD_TARGET_ARCH='$(BUILD_TARGET_ARCH)' from the $(origin BUILD_TARGET_ARCH).) |
| endif |
| endif |
| |
| ifneq ($(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 $(origin BUILD_TYPE).) |
| endif |
| endif |
| |
| EXTRA_CFLAGS = -fshort-wchar |
| |
| ifneq ($(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) |
| $(error Error: unable to find the include directory for your current Linux \ |
| kernel. Specify KERN_INCL=<directory> and run Make again) |
| endif |
| |
| # module install dir. |
| ifneq ($(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 |
| $(error Unable to find the folder to install the DRM driver to) |
| endif |
| endif # MODULE_DIR unspecified |
| endif |
| |
| # guess kernel version (24 or 26) |
| ifeq ($(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 -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 \ |
| -DIN_SUP_R0 -DVBOX -DVBOX_WITH_HGCM -DLOG_TO_BACKDOOR -DIN_MODULE \ |
| -DIN_GUEST_R0 |
| 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 |
| |
| # override is required by the Debian guys |
| override MODULE = vboxvideo |
| OBJS = vboxvideo_drm.o |
| |
| ifeq ($(KERN_VERSION), 24) |
| # |
| # 2.4 |
| # |
| |
| CFLAGS := -O2 -DVBOX_LINUX_2_4 $(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 := $(OBJS) |
| |
| # special hack for Fedora Core 6 2.6.18 (fc6), rhel5 2.6.18 (el5), |
| # ClarkConnect 4.3 (cc4) and ClarkConnect 5 (v5) |
| ifeq ($(KERNELRELEASE),) |
| KFLAGS += $(foreach inc,$(KERN_INCL),\ |
| $(if $(wildcard $(inc)/linux/utsrelease.h),\ |
| $(if $(shell grep '"2.6.18.*fc6.*"' $(inc)/linux/utsrelease.h; \ |
| grep '"2.6.18.*el5.*"' $(inc)/linux/utsrelease.h; \ |
| grep '"2.6.18.*v5.*"' $(inc)/linux/utsrelease.h; \ |
| grep '"2.6.18.*cc4.*"' $(inc)/linux/utsrelease.h),\ |
| -DKERNEL_FC6,),)) |
| else |
| KFLAGS += $(if $(shell echo "$(KERNELRELEASE)"|grep '2.6.18.*fc6.*';\ |
| echo "$(KERNELRELEASE)"|grep '2.6.18.*el5.*';\ |
| echo "$(KERNELRELEASE)"|grep '2.6.18.*v5.*';\ |
| echo "$(KERNELRELEASE)"|grep '2.6.18.*cc4.*'),\ |
| -DKERNEL_FC6,) |
| endif |
| |
| # 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) |
| |
| # important: Don't remove Module.symvers! DKMS does 'make clean' before building ... |
| clean: |
| for f in . linux r0drv r0drv/linux; do rm -f $$f/*.o $$f/.*.cmd $$f/.*.flags; done |
| rm -rf .vboxvideo* .tmp_ver* vboxvideo.* Modules.symvers modules.order |
| |
