| 1 | #
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| 2 | # VirtualBox Guest Additions Module Makefile.
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| 3 | #
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| 4 | # (For 2.6.x this file must be 'Makefile'!)
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| 5 | #
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| 6 | # Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 7 | #
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| 8 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | # available from http://www.virtualbox.org. This file is free software;
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| 10 | # you can redistribute it and/or modify it under the terms of the GNU
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| 11 | # General Public License as published by the Free Software Foundation,
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| 12 | # in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | # distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | # be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | #
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| 16 | # If you received this file as part of a commercial VirtualBox
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| 17 | # distribution, then only the terms of your commercial VirtualBox
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| 18 | # license agreement apply instead of the previous paragraph.
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| 19 | #
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| 20 |
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| 21 | #
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| 22 | MODULE = vboxadd
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| 23 | OBJS = \
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| 24 | cmc.o \
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| 25 | vboxmod.o \
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| 26 | VBoxGuestLibBaseLinux.a \
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| 27 | r0drv/alloc-r0drv.o \
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| 28 | r0drv/linux/alloc-r0drv-linux.o \
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| 29 | r0drv/linux/semaphore-r0drv-linux.o
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| 30 |
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| 31 | #
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| 32 | # Where is everything?
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| 33 | #
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| 34 | ifeq ($(KERN_DIR),)
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| 35 | KERN_DIR_CUR := /lib/modules/$(shell uname -r)/build
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| 36 | ifeq ($(shell if test -d $(KERN_DIR_CUR); then echo yes; fi),yes)
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| 37 | KERN_DIR := $(KERN_DIR_CUR)
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| 38 | else
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| 39 | KERN_DIR = /usr/src/linux
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| 40 | $(warning Warning: defaulting kernel sources to $(KERN_DIR). Specify KERN_DIR=<right-place> if this is not right.)
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| 41 | endif
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| 42 | endif
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| 43 |
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| 44 | # includes
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| 45 | ifeq ($(KERN_INCL),)
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| 46 | ifeq ($(shell if test -d $(KERN_DIR)/include; then echo yes; fi),yes)
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| 47 | KERN_INCL = $(KERN_DIR)/include
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| 48 | # Instead of sticking to the standards, OpenSUSE 10.2 only puts a few include
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| 49 | # files in /lib/modules/$(uname -r)/build/include, and puts the rest in
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| 50 | # /lib/modules/$(uname -r)/source/include, which points into the kernel sources
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| 51 | EXTRA_INCL = /lib/modules/$(shell uname -r)/source/include
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| 52 | else
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| 53 | KERN_INCL = /usr/src/linux/include
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| 54 | $(warning Warning: defaulting to the includes in $(KERN_INCL). Specify KERN_INCL=<right-place> if this is not right.)
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| 55 | endif
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| 56 | endif
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| 57 |
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| 58 | # Module install dir.
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| 59 | ifndef MODULE_DIR
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| 60 | MODULE_DIR_TST := /lib/modules/$(shell uname -r)
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| 61 | ifeq ($(shell if test -d $(MODULE_DIR_TST); then echo yes; fi),yes)
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| 62 | MODULE_DIR := $(MODULE_DIR_TST)/misc
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| 63 | else
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| 64 | # MODULE_DIR := .
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| 65 | $(error Unable to find the folder to install the additions driver to)
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| 66 | endif
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| 67 | endif # MODULE_DIR unspecified
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| 68 |
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| 69 | # guess kernel version (24 or 26)
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| 70 | ifeq ($(shell if grep '"2.4.' $(KERN_INCL)/linux/version.h > /dev/null; then echo yes; fi),yes)
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| 71 | KERN_VERSION := 24
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| 72 | else
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| 73 | KERN_VERSION := 26
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| 74 | endif
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| 75 | # KERN_VERSION := $(if $(wildcard $(KERN_DIR)/Rules.make),24,26)
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| 76 |
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| 77 | # debug - show guesses.
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| 78 | ifdef DEBUG
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| 79 | $(warning dbg: KERN_DIR = $(KERN_DIR))
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| 80 | $(warning dbg: KERN_INCL = $(KERN_INCL))
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| 81 | $(warning dbg: MODULE_DIR = $(MODULE_DIR))
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| 82 | $(warning dbg: KERN_VERSION = $(KERN_VERSION))
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| 83 | endif
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| 84 |
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| 85 |
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| 86 | #
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| 87 | # Compiler options
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| 88 | #
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| 89 | ifndef INCL
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| 90 | INCL := -I$(KERN_INCL) $(addprefix -I, $(EXTRA_INCL))
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| 91 | ifndef KBUILD_EXTMOD
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| 92 | KBUILD_EXTMOD := $(shell pwd)
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| 93 | endif
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| 94 | INCL += $(addprefix -I$(KBUILD_EXTMOD),/ /include /r0drv/linux)
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| 95 | export INCL
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| 96 | endif
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| 97 | KFLAGS := -D__KERNEL__ -DMODULE -D__LINUX__ -DIN_RING0 -D_X86_ -DIN_RT_R0 -DIN_SUP_R0 -DVBGL_VBOXGUEST -DVBGL_HGCM -DVBOX_HGCM
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| 98 | #ifeq ($(BUILD_TYPE),debug) - you'll have to enable this manually to get debug stuff.
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| 99 | #KFLAGS += -DDEBUG
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| 100 | #endif
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| 101 |
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| 102 | ifeq ($(KERN_VERSION), 24)
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| 103 | #
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| 104 | # 2.4
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| 105 | #
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| 106 |
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| 107 | CFLAGS := -DVBOX_LINUX_2_4 -DEXPORT_SYMTAB $(INCL) $(KFLAGS) $(KDEBUG)
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| 108 | MODULE_EXT := o
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| 109 |
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| 110 | # 2.4 Module linking
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| 111 | $(MODULE).o: $(OBJS)
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| 112 | $(LD) -o $@ -r $(OBJS)
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| 113 |
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| 114 | .PHONY: $(MODULE)
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| 115 | all: $(MODULE)
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| 116 | $(MODULE): $(MODULE).o
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| 117 |
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| 118 | else
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| 119 | #
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| 120 | # 2.6 and later
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| 121 | #
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| 122 |
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| 123 | MODULE_EXT := ko
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| 124 |
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| 125 | $(MODULE)-y := $(OBJS)
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| 126 |
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| 127 | # build defs
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| 128 | EXTRA_CFLAGS += $(INCL) $(KFLAGS) $(KDEBUG)
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| 129 |
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| 130 | all: $(MODULE)
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| 131 |
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| 132 | obj-m += $(MODULE).o
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| 133 |
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| 134 | $(MODULE):
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| 135 | $(MAKE) KBUILD_VERBOSE=1 -C $(KERN_DIR) SUBDIRS=$(CURDIR) SRCROOT=$(CURDIR) modules
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| 136 |
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| 137 | endif
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| 138 |
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| 139 | install: $(MODULE)
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| 140 | @mkdir -p $(MODULE_DIR); \
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| 141 | install -m 0664 -o root -g root $(MODULE).$(MODULE_EXT) $(MODULE_DIR); \
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| 142 | PATH="$(PATH):/bin:/sbin" depmod -ae;
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| 143 |
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| 144 | clean:
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| 145 | rm -rf *.o .*.cmd .*.flags
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