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# Mike Isely <isely@pobox.com>
# This is the module build file for pvrusb2. It requires the kbuild
# system from any 2.6.x kernel. It requires the kbuild system from
# any 2.6.x kernel (but it's only been tried against kernels 2.6.10
# and later). This WILL NOT BUILD for 2.4.x kernels. Don't even
# bother trying. Even if you were to fix this build for 2.4.x, you
# would still have to port the driver as well. Everything here
# assumes 2.6.x.
# To build, you can just run this Makefile. There are several
# variables you may want to override however:
# KDIR - Path to kernel source tree
# KREL - Version of kernel, i.e. 'uname -r' output
# INSTALL_MOD_DIR - where within the module tree to put the driver
# If you do not override anything, then KREL is set to the result of
# 'uname -r', KDIR is set to '/lib/modules/$(KREL)/build', and
# INSTALL_MOD_DIR is set to 'pvrusb2'. If you choose to override
# KDIR, then you do _NOT_ need to worry about KREL, as KREL is only
# used here when calculating KDIR. If the default path for KDIR is
# only wrong in terms of version element, then you can just override
# KREL with the corrected value.
# Sensible build targets include 'modules' (same as no target),
# 'install', and 'clean'
ifeq ($(KERNELRELEASE),)
# Override any of these if you'd like
ifeq ($(strip $(KREL)),)
KREL := $(shell uname -r)
endif
ifeq ($(strip $(KDIR)),)
KDIR := /lib/modules/$(KREL)/build
endif
INSTALL_MOD_DIR := pvrusb2
.PHONY: all default install clean modules
default: all
all: modules
modules modules_install clean:
$(MAKE) INSTALL_MOD_DIR=$(INSTALL_MOD_DIR) -C $(KDIR) M=$(shell pwd) CONFIG_VIDEO_PVRUSB2=m $@
install:
$(MAKE) INSTALL_MOD_DIR=$(INSTALL_MOD_DIR) -C $(KDIR) M=$(shell pwd) CONFIG_VIDEO_PVRUSB2=m modules_install
else
# Backwards compatibility in case kbuild can't find Kbuild on its own.
include Kbuild
endif
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